CN109407278A - Imaging lens - Google Patents
Imaging lens Download PDFInfo
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- CN109407278A CN109407278A CN201811502929.9A CN201811502929A CN109407278A CN 109407278 A CN109407278 A CN 109407278A CN 201811502929 A CN201811502929 A CN 201811502929A CN 109407278 A CN109407278 A CN 109407278A
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- 238000003384 imaging method Methods 0.000 title claims abstract description 334
- 230000003287 optical effect Effects 0.000 claims abstract description 109
- 239000000571 coke Substances 0.000 claims abstract description 62
- 210000001747 pupil Anatomy 0.000 claims abstract description 10
- 238000010586 diagram Methods 0.000 description 22
- 230000004075 alteration Effects 0.000 description 12
- 239000000463 material Substances 0.000 description 11
- 241000700608 Sagitta Species 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 238000009738 saturating Methods 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 206010010071 Coma Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000003128 head Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 201000009310 astigmatism Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 102220121088 rs146420268 Human genes 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
- G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
- G02B13/0045—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having five or more lenses
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
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Abstract
This application discloses a kind of imaging lens, which sequentially includes first lens with focal power, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens by object side to image side along optical axis.Wherein, the first lens have positive light coke；The third lens have negative power；7th lens have negative power；At least one lens of first lens into the 7th lens have non-rotationally-symmetric aspherical.The Entry pupil diameters EPDx of the X-direction of the effective focal length fx and imaging lens of the X-direction of imaging lens meets fx/EPDx < 1.9；And the Entry pupil diameters EPDy of the Y direction of the effective focal length fy and imaging lens of the Y direction of imaging lens meets fy/EPDy < 1.9.
Description
Technical field
This application involves a kind of imaging lens, more particularly, to a kind of imaging lens including seven lens.
Background technique
With the quick update of the intelligent electronic device such as products such as mobile phone, computer and plate, market is to these products
The requirement of upper pick-up lens mounted is also higher and higher.In addition to requiring camera lens that there is excellent image quality, high score is also required
Resolution, small size and large aperture.However, currently marketed mainstream camera lens generally uses the non-of rotational symmetry (axial symmetry) at present
Spherical surface is as its surface structure.The aspherical curve that can be regarded as in meridional plane of this kind of rotational symmetry is revolved around optical axis
Turn 360 ° and formed, therefore its only in meridional plane have sufficient freedom degree, for correction system meridian aberration very
It is advantageous, but off-axis aberration cannot be corrected well.
Summary of the invention
This application provides be applicable to portable electronic product, can at least solve or part solve it is in the prior art
The imaging lens of at least one above-mentioned disadvantage.
On the one hand, this application provides such a imaging lens, the imaging lens along optical axis by object side to image side according to
Sequence includes first lens with focal power, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th
Lens.Wherein, the first lens can have positive light coke；The third lens can have negative power；7th lens can have negative light focus
Degree；And first at least one lens into the 7th lens of lens can have it is non-rotationally-symmetric aspherical.Wherein, imaging lens
The Entry pupil diameters EPDx of the X-direction of the effective focal length fx and imaging lens of the X-direction of head can meet fx/EPDx < 1.9；With
And the Entry pupil diameters EPDy of the Y direction of the effective focal length fy and imaging lens of the Y direction of imaging lens can meet fy/EPDy
< 1.9.
In one embodiment, the Y direction of the effective focal length fx and imaging lens of the X-direction of imaging lens has
Effect focal length fy can meet 0.8 < fx/fy < 1.2.
In one embodiment, the effective focal length f3 of the third lens and the effective focal length f7 of the 7th lens can meet 0.5
< f3/f7 < 1.5.
In one embodiment, the object side of the 7th lens can be convex surface, and image side surface can be concave surface.
In one embodiment, the image side surface of the third lens can be concave surface；And the 7th lens image side surface curvature
The radius of curvature R 6 of radius R14 and the image side surface of the third lens can meet 0.2 < R14/R6 < 0.7.
In one embodiment, the image side surface of the 6th lens can be concave surface.
In one embodiment, the effective focal length f1 of the first lens, the object side of the first lens radius of curvature R 1 with
The radius of curvature R 2 of the image side surface of first lens can meet 0.5 < f1/ (R1+R2) < 1.5.
In one embodiment, the radius of curvature R 3, the curvature of the image side surface of the second lens of the object side of the second lens
The effective focal length f2 of radius R4 and the second lens can meet 2 < (R3-R4)/f2 < 2.8.
In one embodiment, the edge thickness ET6 and the edge thickness ET7 of the 7th lens of the 6th lens can meet
0.9 < ET6/ET7 < 1.6.
In one embodiment, effective half bore DT41 of the object side of the 4th lens, the object side of the 5th lens
The half ImgH of effective pixel area diagonal line length can meet 0.5 < on the imaging surface of effective half bore DT51 and imaging lens
(DT41+DT51)/ImgH < 0.8.
In one embodiment, spacing distance T34, the 6th lens and of the third lens and the 4th lens on optical axis
Spacing distance T67 and fiveth lens and sixth lens spacing distance T56 on optical axis of seven lens on optical axis can meet 1.4
< (T34+T67)/T56 < 2.5.
In one embodiment, center thickness CT2, fourth lens center on optical axis of second lens on optical axis
The center thickness CT6 of center thickness CT5 and the 6th lens on optical axis of thickness CT4, the 5th lens on optical axis can meet 1.1
< (CT2+CT4+CT5)/CT6 < 1.6.
In one embodiment, the full filed angle FOV of imaging lens can meet 70 ° of 90 ° of < FOV <.
In one embodiment, imaging lens further include diaphragm, and the imaging surface of diaphragm to imaging lens is on optical axis
The imaging surface of distance SL and the object side of the first lens to imaging lens distance TTL on optical axis can meet 0.8 < SL/TTL
< 1.
In one embodiment, the object side of the first lens to imaging lens distance TTL of the imaging surface on optical axis
TTL/ImgH < 1.6 can be met with the half ImgH of effective pixel area diagonal line length on the imaging surface of imaging lens.
On the other hand, this application provides such a imaging lens, and the imaging lens are along optical axis by object side to image side
It sequentially include first lens with focal power, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and
Seven lens.Wherein, the first lens can have positive light coke；The third lens can have negative power；7th lens can have negative light
Focal power；And first at least one lens into the 7th lens of lens can have it is non-rotationally-symmetric aspherical.Wherein, it is imaged
The effective focal length fy of the Y direction of the effective focal length fx and imaging lens of the X-direction of camera lens can meet 0.8 < fx/fy <
1.2。
Another aspect, this application provides such a imaging lens, and the imaging lens are along optical axis by object side to image side
It sequentially include first lens with focal power, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and
Seven lens.Wherein, the first lens can have positive light coke；The third lens can have negative power；7th lens can have negative light
Focal power；And first at least one lens into the 7th lens of lens can have it is non-rotationally-symmetric aspherical.Wherein, third
The effective focal length f3 of lens and the effective focal length f7 of the 7th lens can meet 0.5 < f3/f7 < 1.5.
Another aspect, this application provides such a imaging lens, and the imaging lens are along optical axis by object side to image side
It sequentially include first lens with focal power, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and
Seven lens.Wherein, the first lens can have positive light coke；The third lens can have negative power；The image side surface of 6th lens can
For concave surface；7th lens can have negative power, and object side can be convex surface, and image side surface can be concave surface, wherein the first lens are extremely
At least one lens in 7th lens can have non-rotationally-symmetric aspherical.
Another aspect, this application provides such a imaging lens, and the imaging lens are along optical axis by object side to image side
It sequentially include first lens with focal power, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and
Seven lens.Wherein, the first lens can have positive light coke；The third lens can have negative power；7th lens can have negative light
Focal power；And first at least one lens into the 7th lens of lens can have it is non-rotationally-symmetric aspherical.Wherein, the 7th
The radius of curvature R 6 of the image side surface of the radius of curvature R 14 and the third lens of the image side surface of lens can meet 0.2 < R14/R6 <
0.7。
Another aspect, this application provides such a imaging lens, and the imaging lens are along optical axis by object side to image side
It sequentially include first lens with focal power, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and
Seven lens.Wherein, the first lens can have positive light coke；The third lens can have negative power；7th lens can have negative light
Focal power；And first at least one lens into the 7th lens of lens can have it is non-rotationally-symmetric aspherical.Wherein, first
The radius of curvature R 2 of the image side surface of the effective focal length f1 of lens, the radius of curvature R 1 of the object side of the first lens and the first lens can
Meet 0.5 < f1/ (R1+R2) < 1.5.
Another aspect, this application provides such a imaging lens, and the imaging lens are along optical axis by object side to image side
It sequentially include first lens with focal power, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and
Seven lens.Wherein, the first lens can have positive light coke；The third lens can have negative power；7th lens can have negative light
Focal power；And first at least one lens into the 7th lens of lens can have it is non-rotationally-symmetric aspherical.Wherein, second
The effective focal length f2 of the radius of curvature R 3 of the object side of lens, the radius of curvature R 4 of the image side surface of the second lens and the second lens can
Meet 2 < (R3-R4)/f2 < 2.8.
Another aspect, this application provides such a imaging lens, and the imaging lens are along optical axis by object side to image side
It sequentially include first lens with focal power, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and
Seven lens.Wherein, the first lens can have positive light coke；The third lens can have negative power；7th lens can have negative light
Focal power；And first at least one lens into the 7th lens of lens can have it is non-rotationally-symmetric aspherical.Wherein, the 6th
The edge thickness ET6 of lens and the edge thickness ET7 of the 7th lens can meet 0.9 < ET6/ET7 < 1.6.
Another aspect, this application provides such a imaging lens, and the imaging lens are along optical axis by object side to image side
It sequentially include first lens with focal power, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and
Seven lens.Wherein, the first lens can have positive light coke；The third lens can have negative power；7th lens can have negative light
Focal power；And first at least one lens into the 7th lens of lens can have it is non-rotationally-symmetric aspherical.Wherein, the 4th
The imaging of the effective half bore DT41, the effective half bore DT51 and imaging lens of the object side of the 5th lens of the object side of lens
The half ImgH of effective pixel area diagonal line length can meet 0.5 < (DT41+DT51)/ImgH < 0.8 on face.
Another aspect, this application provides such a imaging lens, and the imaging lens are along optical axis by object side to image side
It sequentially include first lens with focal power, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and
Seven lens.Wherein, the first lens can have positive light coke；The third lens can have negative power；7th lens can have negative light
Focal power；And first at least one lens into the 7th lens of lens can have it is non-rotationally-symmetric aspherical.Wherein, third
Spacing distance T34, the spacing distance T67 of the 6th lens and the 7th lens on optical axis of lens and the 4th lens on optical axis with
The spacing distance T56 of 5th lens and the 6th lens on optical axis can meet 1.4 < (T34+T67)/T56 < 2.5.
Another aspect, this application provides such a imaging lens, and the imaging lens are along optical axis by object side to image side
It sequentially include first lens with focal power, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and
Seven lens.Wherein, the first lens can have positive light coke；The third lens can have negative power；7th lens can have negative light
Focal power；And first at least one lens into the 7th lens of lens can have it is non-rotationally-symmetric aspherical.Wherein, second
Center thickness CT4 of center thickness CT2, fourth lens of the lens on optical axis on optical axis, the 5th lens on optical axis in
The center thickness CT6 of heart thickness CT5 and the 6th lens on optical axis can meet 1.1 < (CT2+CT4+CT5)/CT6 < 1.6.
Another aspect, this application provides such a imaging lens, and the imaging lens are along optical axis by object side to image side
It sequentially include first lens with focal power, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and
Seven lens.Wherein, the first lens can have positive light coke；The third lens can have negative power；7th lens can have negative light
Focal power；And first at least one lens into the 7th lens of lens can have it is non-rotationally-symmetric aspherical.Wherein, it is imaged
The full filed angle FOV of camera lens can meet 70 ° of 90 ° of < FOV <.
Another aspect, this application provides such a imaging lens, and the imaging lens are along optical axis by object side to image side
It sequentially include first lens with focal power, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and
Seven lens.Wherein, the first lens can have positive light coke；The third lens can have negative power；7th lens can have negative light
Focal power；And first at least one lens into the 7th lens of lens can have it is non-rotationally-symmetric aspherical.Wherein, it is imaged
Camera lens further includes diaphragm, and the object side of distance SL and first lens of the imaging surface of diaphragm to imaging lens on optical axis are extremely imaged
Distance TTL of the imaging surface of camera lens on optical axis can meet 0.8 < SL/TTL < 1.
Another aspect, this application provides such a imaging lens, and the imaging lens are along optical axis by object side to image side
It sequentially include first lens with focal power, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and
Seven lens.Wherein, the first lens can have positive light coke；The third lens can have negative power；7th lens can have negative light
Focal power；And first at least one lens into the 7th lens of lens can have it is non-rotationally-symmetric aspherical.Wherein, first
Effective pixel region on the object side of lens to the imaging surface of distance TTL and imaging lens of the imaging surface on optical axis of imaging lens
The half ImgH of domain diagonal line length can meet TTL/ImgH < 1.6.
The application uses multi-disc (for example, seven) lens, by each power of lens of reasonable distribution, face type, each
Spacing etc. on axis between the center thickness of mirror and each lens, so that above-mentioned imaging lens have small size, large aperture and height
At least one beneficial effect such as resolution ratio.In addition, it is non-rotationally-symmetric aspherical by introducing, to meridian outside the axis of imaging lens
Aberration and sagitta of arc aberration are corrected simultaneously, to further obtain the promotion of image quality.
Detailed description of the invention
In conjunction with attached drawing, by the detailed description of following non-limiting embodiment, other features of the application, purpose and excellent
Point will be apparent.In the accompanying drawings:
Fig. 1 shows the structural schematic diagram of the imaging lens according to the embodiment of the present application 1；
Fig. 2 diagrammatically illustrates situation of the RMS spot diameter of the imaging lens of embodiment 1 in first quartile；
Fig. 3 shows the structural schematic diagram of the imaging lens according to the embodiment of the present application 2；
Fig. 4 diagrammatically illustrates situation of the RMS spot diameter of the imaging lens of embodiment 2 in first quartile；
Fig. 5 shows the structural schematic diagram of the imaging lens according to the embodiment of the present application 3；
Fig. 6 diagrammatically illustrates situation of the RMS spot diameter of the imaging lens of embodiment 3 in first quartile；
Fig. 7 shows the structural schematic diagram of the imaging lens according to the embodiment of the present application 4；
Fig. 8 diagrammatically illustrates situation of the RMS spot diameter of the imaging lens of embodiment 4 in first quartile；
Fig. 9 shows the structural schematic diagram of the imaging lens according to the embodiment of the present application 5；
Figure 10 diagrammatically illustrates situation of the RMS spot diameter of the imaging lens of embodiment 5 in first quartile；
Figure 11 shows the structural schematic diagram of the imaging lens according to the embodiment of the present application 6；
Figure 12 diagrammatically illustrates situation of the RMS spot diameter of the imaging lens of embodiment 6 in first quartile；
Figure 13 shows the structural schematic diagram of the imaging lens according to the embodiment of the present application 7；
Figure 14 diagrammatically illustrates situation of the RMS spot diameter of the imaging lens of embodiment 7 in first quartile；
Figure 15 shows the structural schematic diagram of the imaging lens according to the embodiment of the present application 8；
Figure 16 diagrammatically illustrates situation of the RMS spot diameter of the imaging lens of embodiment 8 in first quartile；
Figure 17 shows the structural schematic diagrams according to the imaging lens of the embodiment of the present application 9；
Figure 18 diagrammatically illustrates situation of the RMS spot diameter of the imaging lens of embodiment 9 in first quartile；
Figure 19 shows the structural schematic diagram of the imaging lens according to the embodiment of the present application 10；
Figure 20 diagrammatically illustrates situation of the RMS spot diameter of the imaging lens of embodiment 10 in first quartile；
Figure 21 shows the structural schematic diagram of the imaging lens according to the embodiment of the present application 11；
Figure 22 diagrammatically illustrates situation of the RMS spot diameter of the imaging lens of embodiment 11 in first quartile.
Specific embodiment
Various aspects of the reference attached drawing to the application are made more detailed description by the application in order to better understand.It answers
Understand, the only description to the illustrative embodiments of the application is described in detail in these, rather than limits the application in any way
Range.In the specification, the identical element of identical reference numbers.Stating "and/or" includes associated institute
Any and all combinations of one or more of list of items.
It should be noted that in the present specification, first, second, third, etc. statement is only used for a feature and another spy
Sign distinguishes, without indicating any restrictions to feature.Therefore, without departing substantially from teachings of the present application, hereinafter
The first lens discussed are also known as the second lens or the third lens.
In the accompanying drawings, for ease of description, thickness, the size and shape of lens are slightly exaggerated.Specifically, attached drawing
Shown in spherical surface or aspherical shape be illustrated by way of example.That is, spherical surface or aspherical shape are not limited to attached drawing
Shown in spherical surface or aspherical shape.Attached drawing is merely illustrative and and non-critical drawn to scale.
Herein, near axis area refers to the region near optical axis.If lens surface is convex surface and does not define convex surface position
When setting, then it represents that the lens surface is convex surface near axis area is less than；If lens surface is concave surface and does not define the concave surface position
When, then it represents that the lens surface is concave surface near axis area is less than.In each lens, it is known as this thoroughly near the surface of object
The object side of mirror；In each lens, the image side surface of the lens is known as near the surface of imaging surface.
Herein, it is Z-direction that we, which define and are parallel to the direction of optical axis, vertical with Z axis and sub positioned at central vision
Direction in noon plane is Y direction, and direction that is vertical with Z axis and being located in central vision sagittal plane is X-direction.Unless
It is otherwise noted, otherwise each mark of reference in addition to the mark of reference for being related to visual field indicates the Y-axis along pick-up lens herein
The characteristic parameter value in direction.For example, in case of no particular description, the R14 in conditional " R14/R6 " indicates that the 7th is saturating
The radius of curvature of the Y direction of the image side surface of mirror, R6 indicate the radius of curvature of the Y direction of the image side surface of the third lens.
It will also be appreciated that term " comprising ", " including ", " having ", "comprising" and/or " including ", when in this theory
It indicates there is stated feature, element and/or component when using in bright book, but does not preclude the presence or addition of one or more
Other feature, component, assembly unit and/or their combination.In addition, ought the statement of such as at least one of " ... " appear in institute
When after the list of column feature, entire listed feature is modified, rather than modifies the individual component in list.In addition, when describing this
When the embodiment of application, " one or more embodiments of the application " are indicated using "available".Also, term " illustrative "
It is intended to refer to example or illustration.
Unless otherwise defined, otherwise all terms (including technical terms and scientific words) used herein all have with
The application one skilled in the art's is generally understood identical meaning.It will also be appreciated that term (such as in everyday words
Term defined in allusion quotation) it should be interpreted as having and their consistent meanings of meaning in the context of the relevant technologies, and
It will not be explained with idealization or excessively formal sense, unless clear herein so limit.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
The feature of the application, principle and other aspects are described in detail below.
Imaging lens according to the application illustrative embodiments may include such as seven lens with focal power, that is,
First lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens.This seven lens edges
Optical axis by object side to image side sequential, can have airspace between each adjacent lens.
In the exemplary embodiment, the first lens can have positive light coke；Second lens have focal power；The third lens
There can be negative power；4th lens have focal power；5th lens have focal power；6th lens have focal power；7th
Lens can have negative power.The each power of lens of reasonable disposition can both effectively reduce the spherical aberration and color difference of optical system,
Focal power concentrations also be can avoid in single eyeglass, and then can effectively reduce eyeglass sensibility, provided for actual fabrication technique
Looser tolerance conditions.
In the exemplary embodiment, the object side of at least one lens by the first lens into the 7th lens can be passed through
And/or image side surface is set as non-rotationally-symmetric aspherical, further to promote image quality.It is non-rotationally-symmetric it is aspherical be a kind of
Free form surface, rotational symmetry it is aspherical on the basis of, increase non-rotational symmetry component, thus introduce in lens system non-
The aspherical of rotational symmetry is conducive to by effectively correcting to meridian aberration outside axis and sagitta of arc aberration, greatly improving optical
The performance of system.Imaging lens according to the application may include that at least one is non-rotationally-symmetric aspherical, it may for example comprise one
Non-rotationally-symmetric aspherical, two non-rotationally-symmetric aspherical, three non-rotationally-symmetric aspherical or more non-rotations
Turn symmetrical aspherical.Optionally, the object side of the first lens can be non-rotationally-symmetric aspherical.
In the exemplary embodiment, the image side surface of the 6th lens can be concave surface；The object side of 7th lens can be convex surface,
Image side surface can be concave surface.The face type of reasonable disposition the 6th lens and the 7th lens is conducive to reduce light in the 7th lens
Incidence angle and the angle of emergence, so as to improve the matching of camera lens chief ray angle and chip；In addition, can also effectively evade the 7th
Lens generate total reflection ghost image because deflection of light is spent greatly.
In the exemplary embodiment, the imaging lens of the application can meet conditional fi/EPDi < 1.9, and wherein i is x
Or y.When i is x, fx is the effective focal length of the X-direction of imaging lens, and EPDx is that the entrance pupil of the X-direction of imaging lens is straight
Diameter, fx/EPDx < 1.9.When i is y, fy is the effective focal length of the Y direction of imaging lens, and EPDy is the Y-axis of imaging lens
The Entry pupil diameters in direction, fy/EPDy < 1.9.More specifically, fx and EPDx can further meet 1.58≤fi/EPDi≤1.85,
Fy and EPDy can further meet 1.58≤fi/EPDi≤1.85.Meet conditional fi/EPDi < 1.9, it is ensured that system has
The characteristic of large aperture, and the illumination of peripheral field can be enhanced, guarantee that camera lens also has good bat in the environment of dark
Take the photograph effect.
In the exemplary embodiment, the imaging lens of the application can meet 0.8 < fx/fy < 1.2 of conditional, wherein
Fx is the effective focal length of the X-direction of imaging lens, and fy is the effective focal length of the Y direction of imaging lens.More specifically, fx and
Fy can further meet 0.89≤fx/fy≤1.15.The rationally effective focal length of control imaging lens X-direction and Y direction, can
Reduce meridian and sagitta of arc astigmatism, spherical aberration and coma simultaneously.
In the exemplary embodiment, the imaging lens of the application can meet 70 ° of 90 ° of < FOV < of conditional, wherein FOV
For the full filed angle of imaging lens.More specifically, FOV can further meet 70 ° of 85 ° of < FOV <, such as 72.9 °≤FOV≤
80.2°.The rationally field angle of control imaging lens, can not only guarantee that system can have good imaging under wider visual field
Quality, moreover it is possible to avoid peripheral field illumination relatively low.
In the exemplary embodiment, the imaging lens of the application can meet 0.5 < f3/f7 < 1.5 of conditional, wherein
F3 is the effective focal length of the third lens, and f7 is the effective focal length of the 7th lens.More specifically, f3 and f7 can further meet 0.52
≤f3/f7≤1.36.Rationally control the third lens and the 7th lens effective focal length, can active balance the third lens and the 7th thoroughly
Higher order coma caused by mirror.
In the exemplary embodiment, the imaging lens of the application can meet conditional 0.5 < f1/ (R1+R2) < 1.5,
Wherein, f1 is the effective focal length of the first lens, and R1 is the radius of curvature of the object side of the first lens, and R2 is the image side of the first lens
The radius of curvature in face.More specifically, f1, R1 and R2 can further meet 0.60≤f1/ (R1+R2)≤1.28.Meet conditional
0.5 < f1/ (R1+R2) < 1.5, can not only effectively assemble light, moreover it is possible to avoid deflection angle of the light in the first lens
It spends greatly, reduces the eyeglass sensibility.Optionally, the object side of the first lens can be convex surface, and image side surface can be concave surface.
In the exemplary embodiment, the imaging lens of the application can meet conditional TTL/ImgH < 1.6, wherein TTL
For the first lens object side to imaging lens distance of the imaging surface on optical axis, ImgH be imaging lens imaging surface on have
Imitate the half of pixel region diagonal line length.More specifically, TTL and ImgH can further meet 1.3 < TTL/ImgH < 1.6, example
Such as 1.44≤TTL/ImgH≤1.55.Rationally control TTL and ImgH ratio, under conditions of shortening lens length, it is ensured that be
System has sufficiently large image planes, and then the more details of subject can be presented.
In the exemplary embodiment, the imaging lens of the application can meet 0.2 < R14/R6 < 0.7 of conditional, wherein
R14 is the radius of curvature of the image side surface of the 7th lens, and R6 is the radius of curvature of the image side surface of the third lens.More specifically, R14 and
R6 can further meet 0.29≤R14/R6≤0.61.The radius of curvature of the image side surface of reasonable distribution the third lens and the 7th lens
Image side surface radius of curvature, it is inclined on the image side surface of the third lens and the image side surface of the 7th lens can effectively to mitigate light
Folding, to be conducive to avoid spending the total reflection ghost image generated greatly because of deflection angle.Optionally, the image side surface of the third lens can be
Concave surface.
In the exemplary embodiment, above-mentioned imaging lens may also include diaphragm, to promote the image quality of camera lens.It is optional
Ground, diaphragm may be provided between object side and the first lens.
In the exemplary embodiment, the imaging lens of the application can meet 0.8 < SL/TTL < 1 of conditional, wherein SL
For distance of the imaging surface on optical axis of diaphragm to imaging lens, TTL is the object side of the first lens to the imaging of imaging lens
Distance of the face on optical axis.More specifically, SL and TTL can further meet 0.94≤SL/TTL≤0.98.Rationally control SL with
The ratio range of TTL can not only guarantee that system has lesser size, moreover it is possible to stop while guaranteeing visual field illumination outside axis
Cause the light that image quality is bad, so as to effectively promote whole image quality.
In the exemplary embodiment, the imaging lens of the application can meet 1.1 < of conditional (CT2+CT4+CT5)/CT6
< 1.6, wherein CT2 is center thickness of second lens on optical axis, and CT4 is center thickness of the 4th lens on optical axis,
CT5 is center thickness of the 5th lens on optical axis, and CT6 is center thickness of the 6th lens on optical axis.More specifically, CT2,
CT4, CT5 and CT6 can further meet 1.24≤(CT2+CT4+CT5)/CT6≤1.49.Meet 1.1 < (CT2+CT4 of conditional
+ CT5)/CT6 < 1.6, it can shorten under the conditions of guaranteeing the craftsmanship of the second lens, the 4th lens, the 5th lens and the 6th lens
The size of camera lens is effectively evaded and being generated because deviation angle is larger in addition, can also slow down deviation of the light in these lens
It is totally reflected ghost image.
In the exemplary embodiment, the imaging lens of the application can meet 1.4 < of conditional (T34+T67)/T56 <
2.5, wherein T34 is the spacing distance of the third lens and the 4th lens on optical axis, and T67 is that the 6th lens and the 7th lens exist
Spacing distance on optical axis, T56 are the spacing distance of the 5th lens and the 6th lens on optical axis.More specifically, T34, T67 and
T56 can further meet 1.47≤(T34+T67)/T56≤2.49.Meet 1.4 < of conditional (T34+T67)/T56 < 2.5, has
Help reduce incidence angle of the light in the 4th lens, the 6th lens and the 7th lens, and helps to reduce the 4th lens, the 6th
The sensibility of lens and the 7th lens.
In the exemplary embodiment, the imaging lens of the application can meet 0.9 < ET6/ET7 < 1.6 of conditional,
In, ET6 is the edge thickness of the 6th lens, and ET7 is the edge thickness of the 7th lens.More specifically, ET6 and ET7 further may be used
Meet 0.97≤ET6/ET7≤1.54.The edge thickness of reasonable disposition the 6th lens and the 7th lens, may make the 6th lens and
7th lens are easily processed into type and are easy to carry out assembling cooperation with lens barrel, while can also mitigate the deviation of peripheral field, guarantee
The matching of peripheral field chief ray angle and chip.
In the exemplary embodiment, the imaging lens of the application can meet 0.5 < of conditional (DT41+DT51)/ImgH
< 0.8, wherein DT41 is effective half bore of the object side of the 4th lens, and DT51 is effectively the half of the object side of the 5th lens
Bore, ImgH are the half of effective pixel area diagonal line length on the imaging surface of imaging lens.More specifically, DT41, DT51 and
ImgH can further meet 0.67≤(DT41+DT51)/ImgH≤0.75.The rationally object side of the 4th lens and the 5th lens of control
Effective half bore in face can reduce the size of the 4th lens and the 5th lens under conditions of the system of maintenance has larger image planes,
And also ensure the craftsmanship of the 4th lens and the 5th lens.
In the exemplary embodiment, the imaging lens of the application can meet 2 < of conditional (R3-R4)/f2 < 2.8,
In, R3 is the radius of curvature of the object side of the second lens, and R4 is the radius of curvature of the image side surface of the second lens, and f2 is the second lens
Effective focal length.More specifically, R3, R4 and f2 can further meet 2.16≤(R3-R4)/f2≤2.57.Meet 2 < of conditional
(R3-R4)/f2 < 2.8, can effectively be avoided while slowing down light in deviation on the second lens focal power concentrations in
First lens, to reduce the sensibility of the first lens and the second lens.Optionally, the second lens can have positive light coke,
Object side can be convex surface, and image side surface can be convex surface.
Optionally, above-mentioned imaging lens may also include the optical filter for correcting color error ratio and/or be located at for protecting
The protection glass of photosensitive element on imaging surface.
Multi-disc eyeglass, such as described above seven can be used according to the imaging lens of the above embodiment of the application.
By each power of lens of reasonable distribution, face type, each lens center thickness and each lens between axis on spacing etc., can
The volume for effectively reducing camera lens, the machinability for reducing the susceptibility of camera lens and improving camera lens, so that imaging lens are more advantageous
In producing and processing and be applicable to portable electronic product.In addition, it is non-rotationally-symmetric aspherical by introducing, to imaging lens
The outer meridian aberration of the axis of head and sagitta of arc aberration are corrected, and can be obtained further image quality and be promoted.
In presently filed embodiment, the mirror surface of each lens mostly uses aspherical mirror.The characteristics of non-spherical lens, is:
From lens centre to lens perimeter, curvature is consecutive variations.With the ball from lens centre to lens perimeter with constant curvature
Face lens are different, and non-spherical lens has more preferably radius of curvature characteristic, and there is improvement to distort aberration and improve astigmatic image error
Advantage.After non-spherical lens, the aberration occurred when imaging can be eliminated, as much as possible so as to improve at image quality
Amount.Optionally, in the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens
At least one of the object side of each lens and image side surface can be aspherical.Optionally, the first lens, the second lens, third
Lens, the 4th lens, the 5th lens, the object side of the 6th lens and each lens in the 7th lens and image side surface can be non-
Spherical surface.
However, it will be understood by those of skill in the art that without departing from this application claims technical solution the case where
Under, the lens numbers for constituting imaging lens can be changed, to obtain each result and advantage described in this specification.Though for example,
It is so described by taking seven lens as an example in embodiments, but the imaging lens are not limited to include seven lens.If
It needs, which may also include the lens of other quantity.
The specific embodiment for being applicable to the imaging lens of above embodiment is further described with reference to the accompanying drawings.
Embodiment 1
Referring to Fig. 1 and Fig. 2 description according to the imaging lens of the embodiment of the present application 1.Fig. 1 is shown according to the application reality
Apply the structural schematic diagram of the imaging lens of example 1.
As shown in Figure 1, sequentially being wrapped along optical axis by object side to image side according to the imaging lens of the application illustrative embodiments
It includes: the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens
E7, optical filter E8 and imaging surface S17.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Positive light coke, object side S3 are convex surface, and image side surface S4 is convex surface.The third lens E3 has negative power, and object side S5 is
Convex surface, image side surface S6 are concave surface.4th lens E4 has positive light coke, and object side S7 is concave surface, and image side surface S8 is convex surface.The
Five lens E5 have positive light coke, and object side S9 is convex surface, and image side surface S10 is concave surface.6th lens E6 has positive light coke,
Its object side S11 is convex surface, and image side surface S12 is concave surface.7th lens E7 has negative power, and object side S13 is convex surface, as
Side S14 is concave surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely
S16 is simultaneously ultimately imaged on imaging surface S17.
It may also include the diaphragm STO being arranged between object side and the first lens E1 according to the imaging lens of the application.
Table 1 shows the surface type, radius of curvature X, radius of curvature Y, thickness of each lens of the imaging lens of embodiment 1
Degree, material, circular cone coefficient X and circular cone coefficient Y, wherein the unit of radius of curvature X, radius of curvature Y and thickness are millimeter
(mm)。
Table 1
It should be understood that in upper table without especially indicate (blank space) " radius of curvature X " and " circular cone coefficient X " with it is right
" radius of curvature Y " and " circular cone coefficient Y " numerical value answered is consistent.It is similar in following embodiment.
As shown in Table 1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6 and
The object side of any one lens and image side surface are aspherical in seven lens E7.In the present embodiment, each non-spherical lens
Face type x is available but is not limited to following aspherical formula and is defined:
Wherein, x be it is aspherical along optical axis direction when being highly the position of h, away from aspheric vertex of surface apart from rise；C is
Aspherical paraxial curvature, c=1/R (that is, inverse that paraxial curvature c is upper 1 mean curvature radius R of table)；K be circular cone coefficient (
It has been provided in table 1)；Ai is the correction factor of aspherical i-th-th rank.The following table 2 give can be used for it is each aspherical in embodiment 1
The high-order coefficient A of mirror surface S3-S144、A6、A8、A10、A12、A14、A16、A18And A20。
Table 2
By table 1 it can also be seen that the object side S1 and image side surface S2 of the first lens E1 are non-rotationally-symmetric aspherical
(that is, the face AAS), non-rotationally-symmetric aspherical face type it is available but be not limited to following non-rotationally-symmetric aspherical formula into
Row limits:
Wherein, z is the rise for being parallel to the face of Z-direction；Cx, Cy are respectively curvature (=1/ song of X, Y-direction vertex of surface
Rate radius)；Kx, Ky are respectively X, Y-direction circular cone coefficient；AR, BR, CR, DR, ER, FR, GR, HR, JR are respectively aspherical rotation
4 ranks, 6 ranks, 8 ranks in symmetrical components, 10 ranks, 12 ranks, 14 ranks, 16 ranks, 18 ranks, 20 level numbers；AP,BP,CP,DP,EP,FP,
GP, HP, JP are respectively 4 ranks, 6 ranks, 8 ranks, 10 ranks, 12 ranks, 14 ranks, 16 ranks, 18 ranks, 20 in aspherical non-rotational symmetry component
Level number.The following table 3 gives each high-order coefficient that can be used for the non-rotationally-symmetric aspherical S1 and S2 in embodiment 1.
Table 3
Table 4 give the effective focal length f1 to f7 of each lens in embodiment 1, imaging lens X-direction effective focal length fx,
The effective focal length fy of imaging lens Y direction, imaging lens optics total length TTL (that is, from the object side S1 of the first lens E1
To distance of the imaging surface S17 on optical axis) and imaging surface S17 on effective pixel area diagonal line length half ImgH.
| f1(mm) | 6.19 | f7(mm) | -4.45 |
| f2(mm) | 5.04 | fx(mm) | 3.99 |
| f3(mm) | -6.05 | fy(mm) | 4.07 |
| f4(mm) | 33.00 | TTL(mm) | 4.91 |
| f5(mm) | 1015.51 | ImgH(mm) | 3.40 |
| f6(mm) | 24.86 |
Table 4
Imaging lens in embodiment 1 meet:
Fx/EPDx=1.73, wherein fx is the effective focal length of the X-direction of imaging lens, and EPDx is the X of imaging lens
The Entry pupil diameters of axis direction；
Fy/EPDy=1.73, wherein fy is the effective focal length of the Y direction of imaging lens, and EPDy is the Y of imaging lens
The Entry pupil diameters of axis direction；
Fx/fy=0.98, wherein fx is the effective focal length of the X-direction of imaging lens, and fy is the Y-axis side of imaging lens
To effective focal length；
FOV=78.7 °, wherein FOV is the full filed angle of imaging lens；
F3/f7=1.36, wherein f3 is the effective focal length of the third lens E3, and f7 is the effective focal length of the 7th lens E7；
F1/ (R1+R2)=1.13, wherein f1 is the effective focal length of the first lens E1, and R1 is the object side of the first lens E1
The radius of curvature of S1, R2 are the radius of curvature of the image side surface S2 of the first lens E1；
TTL/ImgH=1.44, wherein TTL is that the imaging surface S17 of object side S1 to the imaging lens of the first lens E1 exists
Distance on optical axis, ImgH are the half of effective pixel area diagonal line length on the imaging surface S17 of imaging lens；
R14/R6=0.47, wherein R14 is the radius of curvature of the image side surface S14 of the 7th lens E7, and R6 is the third lens E3
Image side surface S6 radius of curvature；
SL/TTL=0.94, wherein SL is imaging surface S17 distance on optical axis of the diaphragm to imaging lens, TTL the
The object side S1 of one lens E1 to imaging lens distance of the imaging surface S17 on optical axis；
(CT2+CT4+CT5)/CT6=1.48, wherein CT2 is center thickness of the second lens E2 on optical axis, and CT4 is
Center thickness of the 4th lens E4 on optical axis, CT5 are center thickness of the 5th lens E5 on optical axis, and CT6 is the 6th lens
Center thickness of the E6 on optical axis；
(T34+T67)/T56=2.20, wherein T34 is the interval distance of the third lens E3 and the 4th lens E4 on optical axis
From T67 is spacing distance of the 6th lens E6 and the 7th lens E7 on optical axis, and T56 is the 5th lens E5 and the 6th lens E6
Spacing distance on optical axis；
ET6/ET7=1.26, wherein ET6 is the edge thickness of the 6th lens E6, and the edge that ET7 is the 7th lens E7 is thick
Degree；
(DT41+DT51)/ImgH=0.67, wherein DT41 is effective half bore of the object side S7 of the 4th lens E4,
DT51 is effective half bore of the object side S9 of the 5th lens E5, and ImgH is effective pixel region on the imaging surface S17 of imaging lens
The half of domain diagonal line length；
(R3-R4)/f2=2.44, wherein R3 is the radius of curvature of the object side S3 of the second lens E2, and R4 is the second lens
The radius of curvature of the image side surface S4 of E2, f2 are the effective focal length of the second lens E2.
It is big at different image heights position in first quartile that Fig. 2 shows the RMS spot diameters of the imaging lens of embodiment 1
Small situation.As can be seen from FIG. 2, imaging lens given by embodiment 1 can be realized good image quality.
Embodiment 2
Referring to Fig. 3 and Fig. 4 description according to the imaging lens of the embodiment of the present application 2.In the present embodiment and following implementation
In example, for brevity, by clipped description similar to Example 1.Fig. 3 show according to the embodiment of the present application 2 at
As the structural schematic diagram of camera lens.
As shown in figure 3, sequentially being wrapped along optical axis by object side to image side according to the imaging lens of the application illustrative embodiments
It includes: the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens
E7, optical filter E8 and imaging surface S17.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Positive light coke, object side S3 are convex surface, and image side surface S4 is convex surface.The third lens E3 has negative power, and object side S5 is
Convex surface, image side surface S6 are concave surface.4th lens E4 has positive light coke, and object side S7 is concave surface, and image side surface S8 is convex surface.The
Five lens E5 have positive light coke, and object side S9 is convex surface, and image side surface S10 is concave surface.6th lens E6 has negative power,
Its object side S11 is convex surface, and image side surface S12 is concave surface.7th lens E7 has negative power, and object side S13 is convex surface, as
Side S14 is concave surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely
S16 is simultaneously ultimately imaged on imaging surface S17.
It may also include the diaphragm STO being arranged between object side and the first lens E1 according to the imaging lens of the application.
Table 5 shows the surface type, radius of curvature X, radius of curvature Y, thickness of each lens of the imaging lens of embodiment 2
Degree, material, circular cone coefficient X and circular cone coefficient Y, wherein the unit of radius of curvature X, radius of curvature Y and thickness are millimeter
(mm)。
Table 5
As shown in Table 5, in example 2, in the third lens E3, the 5th lens E5, the 6th lens E6 and the 7th lens E7
The image side surface S2 of the object side of any one lens and image side surface and the first lens E1, the image side surface S4 of the second lens E2,
The object side S7 of four lens E4 is aspherical；The object side S3 and the 4th of the object side S1 of first lens E1, the second lens E2
The image side surface S8 of lens E4 is non-rotationally-symmetric aspherical.
Table 6 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 2, wherein each aspherical face type can
It is limited by the formula (1) provided in above-described embodiment 1.Table 7 show can be used for it is non-rotationally-symmetric aspherical in embodiment 2
The rotational symmetry component of S1, S3 and S8 and the higher order coefficient of non-rotational symmetry component, wherein non-rotationally-symmetric aspherical face
Type can be limited by the formula (2) provided in above-described embodiment 1.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A1 | A20 |
| S2 | -7.0848E-02 | -2.3913E-03 | 2.2845E-03 | 1.1575E-04 | -3.0968E-05 | -2.1235E-05 | -7.4922E-06 | 2.5034E-07 | 4.2985E-06 |
| S4 | -4.7797E-02 | 2.3110E-03 | 1.4091E-03 | -1.1371E-04 | 2.3065E-04 | -1.8424E-05 | -2.1175E-05 | 9.5414E-06 | -3.1340E-06 |
| S5 | -3.4220E-02 | -4.1430E-03 | 8.7149E-04 | 1.5967E-04 | 1.9315E-04 | -1.6289E-05 | -2.6478E-05 | 6.4635E-06 | 3.0357E-07 |
| S6 | 3.8006E-02 | -4.7021E-03 | 1.1463E-03 | 3.1667E-05 | 6.6854E-05 | 2.7139E-05 | -1.4321E-06 | 1.1519E-06 | -2.9518E-07 |
| S7 | -6.0000E-02 | -4.7146E-03 | -6.5137E-04 | 2.1384E-04 | -1.2304E-04 | 8.2475E-05 | 1.4113E-05 | 1.1253E-05 | 7.2662E-06 |
| S9 | -1.2302E-01 | 7.7991E-03 | 2.7702E-03 | -2.5966E-04 | -1.0389E-03 | -1.3074E-04 | 1.9368E-04 | -2.2853E-05 | 1.1504E-05 |
| S10 | -1.5726E-01 | 3.4562E-02 | 4.6541E-03 | -1.4195E-03 | -1.0892E-03 | -7.2635E-04 | 3.1605E-04 | 3.4493E-05 | 4.3899E-05 |
| S11 | -4.0299E-01 | -6.0311E-02 | 2.2273E-02 | 6.9278E-04 | 3.4364E-03 | -1.1255E-03 | -3.5076E-04 | -4.1799E-04 | -1.7229E-05 |
| S12 | -5.8927E-01 | -2.4236E-02 | 2.8696E-02 | -1.8027E-02 | 3.5055E-03 | -1.1752E-03 | 1.3209E-03 | 1.2357E-04 | 1.6473E-04 |
| S13 | -1.8762E+00 | 6.1155E-01 | -2.0040E-01 | 4.4985E-02 | -1.0067E-02 | 5.9053E-03 | -3.7689E-03 | 1.9167E-03 | -3.4780E-04 |
| S14 | -1.6069E+00 | 4.0658E-01 | -1.0119E-01 | 1.2734E-02 | -1.0445E-02 | 3.3589E-03 | -2.4286E-03 | 1.4405E-03 | 4.8744E-04 |
Table 6
Table 7
Table 8 give the effective focal length f1 to f7 of each lens in embodiment 2, imaging lens X-direction effective focal length fx,
Effective pixel region on the effective focal length fy of imaging lens Y direction, the optics total length TTL of imaging lens and imaging surface S17
The half ImgH of domain diagonal line length.
| f1(mm) | 5.98 | f7(mm) | -7.12 |
| f2(mm) | 5.23 | fx(mm) | 4.04 |
| f3(mm) | -6.09 | fy(mm) | 3.96 |
| f4(mm) | 72.24 | TTL(mm) | 4.98 |
| f5(mm) | 32.57 | ImgH(mm) | 3.32 |
| f6(mm) | -59.65 |
Table 8
The RMS spot diameter that Fig. 4 shows the imaging lens of embodiment 2 is big at different image heights position in first quartile
Small situation.As can be seen from FIG. 4, imaging lens given by embodiment 2 can be realized good image quality.
Embodiment 3
The imaging lens according to the embodiment of the present application 3 are described referring to Fig. 5 and Fig. 6.Fig. 5 is shown according to the application
The structural schematic diagram of the imaging lens of embodiment 3.
As shown in figure 5, sequentially being wrapped along optical axis by object side to image side according to the imaging lens of the application illustrative embodiments
It includes: the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens
E7, optical filter E8 and imaging surface S17.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Positive light coke, object side S3 are convex surface, and image side surface S4 is convex surface.The third lens E3 has negative power, and object side S5 is
Convex surface, image side surface S6 are concave surface.4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is convex surface.The
Five lens E5 have negative power, and object side S9 is concave surface, and image side surface S10 is concave surface.6th lens E6 has positive light coke,
Its object side S11 is convex surface, and image side surface S12 is concave surface.7th lens E7 has negative power, and object side S13 is convex surface, as
Side S14 is concave surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely
S16 is simultaneously ultimately imaged on imaging surface S17.
It may also include the diaphragm STO being arranged between object side and the first lens E1 according to the imaging lens of the application.
Table 9 shows the surface type, radius of curvature X, radius of curvature Y, thickness of each lens of the imaging lens of embodiment 3
Degree, material, circular cone coefficient X and circular cone coefficient Y, wherein the unit of radius of curvature X, radius of curvature Y and thickness are millimeter
(mm)。
Table 9
As shown in Table 9, in embodiment 3, in the second lens E2, the 5th lens E5, the 6th lens E6 and the 7th lens E7
The image side surface S2 of the object side of any one lens and image side surface and the first lens E1, the image side surface S6 of the third lens E3,
The image side surface S8 of four lens E4 is aspherical；The object side S5 and the 4th of the object side S1 of first lens E1, the third lens E3
The object side S7 of lens E4 is non-rotationally-symmetric aspherical.
Table 10 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 3, wherein each aspherical face type can
It is limited by the formula (1) provided in above-described embodiment 1.Table 11 show can be used for it is non-rotationally-symmetric aspherical in embodiment 3
The rotational symmetry component of S1, S5 and S7 and the higher order coefficient of non-rotational symmetry component, wherein non-rotationally-symmetric aspherical face
Type can be limited by the formula (2) provided in above-described embodiment 1.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S2 | -8.5908E-02 | -5.4126E-03 | 3.5048E-03 | -1.8147E-04 | -3.3878E-05 | -1.0539E-05 | -1.7018E-06 | -6.5379E-06 | 1.0585E-06 |
| S3 | -4.3026E-02 | 2.6655E-02 | 5.8889E-03 | -1.1392E-03 | -2.1317E-04 | 5.3347E-05 | -1.3624E-05 | -1.2529E-05 | 3.8883E-07 |
| S4 | -4.1778E-02 | 3.1680E-03 | 2.4759E-03 | 7.7795E-06 | 1.9965E-04 | 1.0751E-05 | -2.6007E-05 | -1.0975E-05 | 7.4214E-07 |
| S6 | 5.8149E-02 | -2.1215E-03 | 3.7553E-03 | 5.6537E-04 | 1.5807E-04 | -4.4029E-06 | -4.8963E-06 | -8.1299E-06 | -2.0140E-06 |
| S8 | -1.3291E-01 | -1.5631E-03 | 8.1220E-03 | 4.6452E-03 | 4.8827E-04 | 1.4834E-05 | -1.2870E-04 | -5.3877E-05 | -1.9504E-05 |
| S9 | -1.3889E-01 | 4.7071E-03 | 6.0653E-03 | 4.9344E-04 | -1.7704E-03 | -3.4473E-04 | 2.9550E-04 | 1.1296E-04 | 2.7956E-05 |
| S10 | -1.7204E-01 | 3.3517E-02 | 2.1064E-03 | -2.8423E-03 | -1.0871E-03 | -4.0982E-04 | 3.4265E-04 | -2.3460E-06 | 5.8400E-06 |
| S11 | -3.6707E-01 | -4.9088E-02 | 1.7986E-02 | -2.0899E-03 | 7.4282E-04 | -1.0718E-03 | -2.5094E-04 | -2.1504E-04 | -2.3827E-05 |
| S12 | -3.1210E-01 | -4.8940E-02 | 2.7886E-02 | -8.3572E-03 | 1.7305E-03 | -7.2717E-04 | 3.9221E-05 | 4.7900E-06 | 8.2480E-06 |
| S13 | -1.4162E+00 | 3.7054E-01 | -8.3490E-02 | 1.5619E-02 | -5.3096E-03 | 2.1750E-03 | -4.6924E-04 | 3.8301E-05 | 5.1492E-07 |
| S14 | -1.7448E+00 | 3.1740E-01 | -4.9184E-02 | 1.3885E-02 | -8.9126E-03 | 6.1473E-03 | -1.7092E-03 | -1.6024E-04 | 8.6245E-05 |
Table 10
Table 11
Table 12 gives the effective focal length of the effective focal length f1 to f7 of each lens in embodiment 3, imaging lens X-direction
Fx, the effective focal length fy of imaging lens Y direction, imaging lens optics total length TTL and imaging surface S17 on valid pixel
The half ImgH of region diagonal line length.
Table 12
The RMS spot diameter that Fig. 6 shows the imaging lens of embodiment 3 is big at different image heights position in first quartile
Small situation.As can be seen from FIG. 6, imaging lens given by embodiment 3 can be realized good image quality.
Embodiment 4
The imaging lens according to the embodiment of the present application 4 are described referring to Fig. 7 and Fig. 8.Fig. 7 is shown according to the application
The structural schematic diagram of the imaging lens of embodiment 4.
As shown in fig. 7, sequentially being wrapped along optical axis by object side to image side according to the imaging lens of the application illustrative embodiments
It includes: the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens
E7, optical filter E8 and imaging surface S17.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Positive light coke, object side S3 are convex surface, and image side surface S4 is convex surface.The third lens E3 has negative power, and object side S5 is
Convex surface, image side surface S6 are concave surface.4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is convex surface.The
Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power,
Its object side S11 is convex surface, and image side surface S12 is concave surface.7th lens E7 has negative power, and object side S13 is convex surface, as
Side S14 is concave surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely
S16 is simultaneously ultimately imaged on imaging surface S17.
It may also include the diaphragm STO being arranged between object side and the first lens E1 according to the imaging lens of the application.
Table 13 shows the surface type, radius of curvature X, radius of curvature Y, thickness of each lens of the imaging lens of embodiment 4
Degree, material, circular cone coefficient X and circular cone coefficient Y, wherein the unit of radius of curvature X, radius of curvature Y and thickness are millimeter
(mm)。
Table 13
As shown in Table 13, in example 4, any one in the second lens E2, the 6th lens E6 and the 7th lens E7 is saturating
The image side surface S2 of the object side of mirror and image side surface and the first lens E1, the image side surface S6 of the third lens E3, the 4th lens E4
Image side surface S8, the 5th lens E5 image side surface S10 be aspherical；The object of the object side S1 of first lens E1, the third lens E3
Side S5, the object side S7 of the 4th lens E4, the 5th lens E5 object side S9 be it is non-rotationally-symmetric aspherical.
Table 14 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 4, wherein each aspherical face type can
It is limited by the formula (1) provided in above-described embodiment 1.Table 15 show can be used for it is non-rotationally-symmetric aspherical in embodiment 4
The rotational symmetry component of S1, S5, S7 and S9 and the higher order coefficient of non-rotational symmetry component, wherein non-rotationally-symmetric aspheric
Face face type can be limited by the formula (2) provided in above-described embodiment 1.
Table 14
Table 15
Table 16 gives the effective focal length of the effective focal length f1 to f7 of each lens in embodiment 4, imaging lens X-direction
Fx, the effective focal length fy of imaging lens Y direction, imaging lens optics total length TTL and imaging surface S17 on valid pixel
The half ImgH of region diagonal line length.
| f1(mm) | 6.86 | f7(mm) | -9.13 |
| f2(mm) | 4.69 | fx(mm) | 3.99 |
| f3(mm) | -5.26 | fy(mm) | 4.11 |
| f4(mm) | 19.45 | TTL(mm) | 5.17 |
| f5(mm) | 153.71 | ImgH(mm) | 3.35 |
| f6(mm) | -108.39 |
Table 16
The RMS spot diameter that Fig. 8 shows the imaging lens of embodiment 4 is big at different image heights position in first quartile
Small situation.As can be seen from FIG. 8, imaging lens given by embodiment 4 can be realized good image quality.
Embodiment 5
The imaging lens according to the embodiment of the present application 5 are described referring to Fig. 9 and Figure 10.Fig. 9 is shown according to this Shen
Please embodiment 5 imaging lens structural schematic diagram.
As shown in figure 9, sequentially being wrapped along optical axis by object side to image side according to the imaging lens of the application illustrative embodiments
It includes: the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens
E7, optical filter E8 and imaging surface S17.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Positive light coke, object side S3 are convex surface, and image side surface S4 is convex surface.The third lens E3 has negative power, and object side S5 is
Convex surface, image side surface S6 are concave surface.4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is convex surface.The
Five lens E5 have negative power, and object side S9 is convex surface, and image side surface S10 is concave surface.6th lens E6 has positive light coke,
Its object side S11 is convex surface, and image side surface S12 is concave surface.7th lens E7 has negative power, and object side S13 is convex surface, as
Side S14 is concave surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely
S16 is simultaneously ultimately imaged on imaging surface S17.
It may also include the diaphragm STO being arranged between object side and the first lens E1 according to the imaging lens of the application.
Table 17 shows the surface type, radius of curvature X, radius of curvature Y, thickness of each lens of the imaging lens of embodiment 5
Degree, material, circular cone coefficient X and circular cone coefficient Y, wherein the unit of radius of curvature X, radius of curvature Y and thickness are millimeter
(mm)。
Table 17
As shown in Table 17, in embodiment 5, in the second lens E2, the 5th lens E5, the 6th lens E6 and the 7th lens E7
The image side surface S2 of the object side of any one lens and image side surface and the first lens E1, the image side surface S6 of the third lens E3,
The image side surface S8 of four lens E4 is aspherical；The object side S5 and the 4th of the object side S1 of first lens E1, the third lens E3
The object side S7 of lens E4 is non-rotationally-symmetric aspherical.
Table 18 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 5, wherein each aspherical face type can
It is limited by the formula (1) provided in above-described embodiment 1.Table 19 show can be used for it is non-rotationally-symmetric aspherical in embodiment 5
The rotational symmetry component of S1, S5 and S7 and the higher order coefficient of non-rotational symmetry component, wherein non-rotationally-symmetric aspherical face
Type can be limited by the formula (2) provided in above-described embodiment 1.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S2 | -8.8321E-02 | -6.8608E-03 | 3.2550E-03 | -1.2382E-04 | 5.7660E-06 | -3.2175E-06 | 3.8875E-06 | -6.8573E-06 | 6.2106E-07 |
| S3 | -4.5331E-02 | 2.5783E-02 | 5.8987E-03 | -1.1528E-03 | -1.6421E-04 | 7.5594E-05 | -1.0287E-05 | -1.2196E-05 | -2.9517E-07 |
| S4 | -4.4643E-02 | 2.4994E-03 | 2.4003E-03 | -7.9985E-05 | 2.3266E-04 | 1.4748E-05 | -2.1489E-05 | -1.4484E-05 | 2.3248E-06 |
| S6 | 5.8263E-02 | -2.6062E-03 | 3.6331E-03 | 5.7956E-04 | 1.1439E-04 | -1.4819E-05 | -8.8017E-06 | -8.5960E-06 | -5.7847E-07 |
| S8 | -1.4021E-01 | -3.8902E-03 | 8.0346E-03 | 4.5947E-03 | 6.5648E-04 | 4.3698E-05 | -1.2221E-04 | -4.8030E-05 | -2.1341E-05 |
| S9 | -1.4017E-01 | 9.3660E-04 | 5.3073E-03 | 9.5800E-05 | -1.3424E-03 | -3.4019E-04 | 2.9886E-04 | 9.4143E-05 | 7.4583E-06 |
| S10 | -1.8302E-01 | 3.2590E-02 | 3.5493E-03 | -2.9073E-03 | -8.1819E-04 | -4.2485E-04 | 4.1329E-04 | 5.4202E-07 | -1.4456E-05 |
| S11 | -3.7835E-01 | -5.5726E-02 | 1.9599E-02 | -1.7599E-03 | 1.2150E-03 | -8.4630E-04 | -1.4601E-04 | -2.0734E-04 | -2.9978E-05 |
| S12 | -2.9264E-01 | -5.6312E-02 | 3.0242E-02 | -8.7952E-03 | 2.0210E-03 | -6.8002E-04 | 7.6535E-06 | 4.2102E-06 | 5.7547E-06 |
| S13 | -1.3608E+00 | 3.7108E-01 | -8.2712E-02 | 1.5933E-02 | -5.3691E-03 | 2.1378E-03 | -4.7767E-04 | 3.7421E-05 | 1.0222E-06 |
| S14 | -1.7622E+00 | 3.3336E-01 | -3.5816E-02 | 1.0657E-02 | -9.9689E-03 | 6.4776E-03 | -2.0998E-03 | -5.1592E-04 | 1.6139E-04 |
Table 18
Table 19
Table 20 gives the effective focal length of the effective focal length f1 to f7 of each lens in embodiment 5, imaging lens X-direction
Fx, the effective focal length fy of imaging lens Y direction, imaging lens optics total length TTL and imaging surface S17 on valid pixel
The half ImgH of region diagonal line length.
| f1(mm) | 6.88 | f7(mm) | -10.18 |
| f2(mm) | 4.80 | fx(mm) | 4.03 |
| f3(mm) | -5.46 | fy(mm) | 3.99 |
| f4(mm) | 21.45 | TTL(mm) | 5.15 |
| f5(mm) | -53.98 | ImgH(mm) | 3.46 |
| f6(mm) | 45.65 |
Table 20
Figure 10 shows the RMS spot diameters of the imaging lens of embodiment 5 in first quartile at different image heights position
Size cases.As can be seen from FIG. 10, imaging lens given by embodiment 5 can be realized good image quality.
Embodiment 6
The imaging lens according to the embodiment of the present application 6 are described referring to Figure 11 and Figure 12.Figure 11 is shown according to this
Apply for the structural schematic diagram of the imaging lens of embodiment 6.
As shown in figure 11, it is sequentially wrapped along optical axis by object side to image side according to the imaging lens of the application illustrative embodiments
It includes: the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens
E7, optical filter E8 and imaging surface S17.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Positive light coke, object side S3 are convex surface, and image side surface S4 is convex surface.The third lens E3 has negative power, and object side S5 is
Convex surface, image side surface S6 are concave surface.4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is concave surface.The
Five lens E5 have positive light coke, and object side S9 is convex surface, and image side surface S10 is concave surface.6th lens E6 has negative power,
Its object side S11 is convex surface, and image side surface S12 is concave surface.7th lens E7 has negative power, and object side S13 is convex surface, as
Side S14 is concave surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely
S16 is simultaneously ultimately imaged on imaging surface S17.
It may also include the diaphragm STO being arranged between object side and the first lens E1 according to the imaging lens of the application.
Table 21 shows the surface type, radius of curvature X, radius of curvature Y, thickness of each lens of the imaging lens of embodiment 6
Degree, material, circular cone coefficient X and circular cone coefficient Y, wherein the unit of radius of curvature X, radius of curvature Y and thickness are millimeter
(mm)。
Table 21
As shown in Table 21, in embodiment 6, in the second lens E2, the 5th lens E5, the 6th lens E6 and the 7th lens E7
The image side surface S2 of the object side of any one lens and image side surface and the first lens E1, the image side surface S6 of the third lens E3,
The image side surface S8 of four lens E4 is aspherical；The object side S5 and the 4th of the object side S1 of first lens E1, the third lens E3
The object side S7 of lens E4 is non-rotationally-symmetric aspherical.
Table 22 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 6, wherein each aspherical face type can
It is limited by the formula (1) provided in above-described embodiment 1.Table 23 show can be used for it is non-rotationally-symmetric aspherical in embodiment 6
The rotational symmetry component of S1, S5 and S7 and the higher order coefficient of non-rotational symmetry component, wherein non-rotationally-symmetric aspherical face
Type can be limited by the formula (2) provided in above-described embodiment 1.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S2 | -8.8364E-02 | -6.9066E-03 | 3.2582E-03 | -1.3278E-04 | -7.5506E-06 | -2.8151E-06 | 3.6408E-06 | -6.8967E-06 | 6.6901E-07 |
| S3 | -4.5399E-02 | 2.5667E-02 | 5.8831E-03 | -1.1431E-03 | -1.7706E-04 | 7.3463E-05 | -9.0402E-06 | -1.4216E-05 | -7.6440E-07 |
| S4 | -4.4519E-02 | 2.4698E-03 | 2.4119E-03 | -4.5919E-05 | 2.2938E-04 | 1.1138E-05 | -2.1149E-05 | -1.3721E-05 | 1.5918E-06 |
| S6 | 5.8249E-02 | -2.6003E-03 | 3.5899E-03 | 5.8969E-04 | 1.2185E-04 | -8.9217E-06 | -7.7489E-06 | -7.9822E-06 | -2.2648E-06 |
| S8 | -1.4464E-01 | -3.1493E-03 | 7.7531E-03 | 4.1888E-03 | 5.5873E-04 | 9.6531E-07 | -1.2159E-04 | -4.3819E-05 | -1.7381E-05 |
| S9 | -1.4208E-01 | 1.7535E-03 | 5.8203E-03 | -5.5266E-04 | -1.1480E-03 | -3.0529E-04 | 2.6338E-04 | 8.3129E-05 | 5.9699E-06 |
| S10 | -1.8034E-01 | 3.1615E-02 | 4.9110E-03 | -3.6860E-03 | -5.9096E-04 | -2.1640E-04 | 4.3396E-04 | 1.1970E-05 | -1.2477E-05 |
| S11 | -3.9834E-01 | -6.1166E-02 | 1.7485E-02 | -9.8194E-04 | 1.9806E-03 | -9.9972E-05 | 7.9042E-05 | -1.1909E-04 | -2.9960E-05 |
| S12 | -3.1270E-01 | -5.3996E-02 | 2.9356E-02 | -8.7916E-03 | 2.1291E-03 | -6.7063E-04 | 2.0065E-05 | 4.6271E-06 | 4.9151E-06 |
| S13 | -1.3599E+00 | 3.7065E-01 | -8.2384E-02 | 1.5990E-02 | -5.3766E-03 | 2.1323E-03 | -4.7978E-04 | 3.7126E-05 | 1.2392E-06 |
| S14 | -1.7158E+00 | 3.3822E-01 | -4.0959E-02 | 9.9116E-03 | -9.7588E-03 | 5.7194E-03 | -2.1530E-03 | -1.4781E-04 | 1.0712E-04 |
Table 22
Table 23
Table 24 gives the effective focal length of the effective focal length f1 to f7 of each lens in embodiment 6, imaging lens X-direction
Fx, the effective focal length fy of imaging lens Y direction, imaging lens optics total length TTL and imaging surface S17 on valid pixel
The half ImgH of region diagonal line length.
| f1(mm) | 6.87 | f7(mm) | -10.30 |
| f2(mm) | 4.81 | fx(mm) | 4.02 |
| f3(mm) | -5.44 | fy(mm) | 4.06 |
| f4(mm) | 40.39 | TTL(mm) | 5.16 |
| f5(mm) | 45.70 | ImgH(mm) | 3.46 |
| f6(mm) | -223.58 |
Table 24
Figure 12 shows the RMS spot diameters of the imaging lens of embodiment 6 in first quartile at different image heights position
Size cases.As can be seen from FIG. 12, imaging lens given by embodiment 6 can be realized good image quality.
Embodiment 7
The imaging lens according to the embodiment of the present application 7 are described referring to Figure 13 and Figure 14.Figure 13 is shown according to this
Apply for the structural schematic diagram of the imaging lens of embodiment 7.
As shown in figure 13, it is sequentially wrapped along optical axis by object side to image side according to the imaging lens of the application illustrative embodiments
It includes: the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens
E7, optical filter E8 and imaging surface S17.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Positive light coke, object side S3 are convex surface, and image side surface S4 is convex surface.The third lens E3 has negative power, and object side S5 is
Convex surface, image side surface S6 are concave surface.4th lens E4 has negative power, and object side S7 is concave surface, and image side surface S8 is convex surface.The
Five lens E5 have positive light coke, and object side S9 is convex surface, and image side surface S10 is concave surface.6th lens E6 has negative power,
Its object side S11 is convex surface, and image side surface S12 is concave surface.7th lens E7 has negative power, and object side S13 is convex surface, as
Side S14 is concave surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely
S16 is simultaneously ultimately imaged on imaging surface S17.
It may also include the diaphragm STO being arranged between object side and the first lens E1 according to the imaging lens of the application.
Table 25 shows the surface type, radius of curvature X, radius of curvature Y, thickness of each lens of the imaging lens of embodiment 7
Degree, material, circular cone coefficient X and circular cone coefficient Y, wherein the unit of radius of curvature X, radius of curvature Y and thickness are millimeter
(mm)。
Table 25
As shown in Table 25, in embodiment 7, in the second lens E2, the 4th lens E4, the 5th lens E5 and the 7th lens E7
The image side surface S2 of the object side of any one lens and image side surface and the first lens E1, the object side S5 of the third lens E3,
The object side S11 of six lens E6 is aspherical；The object side S1 of first lens E1, the image side surface S6 of the third lens E3, the 6th
The image side surface S12 of lens E6 is non-rotationally-symmetric aspherical.
Table 26 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 7, wherein each aspherical face type can
It is limited by the formula (1) provided in above-described embodiment 1.Table 27 show can be used for it is non-rotationally-symmetric aspherical in embodiment 7
The rotational symmetry component of S1, S6 and S12 and the higher order coefficient of non-rotational symmetry component, wherein non-rotationally-symmetric aspherical
Face type can be limited by the formula (2) provided in above-described embodiment 1.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S2 | -7.6730E-02 | -2.8204E-05 | 3.4563E-03 | 3.5091E-04 | 3.0772E-05 | -2.1810E-05 | -2.2401E-05 | -1.3069E-05 | -3.8941E-06 |
| S3 | -4.5081E-02 | 2.7833E-02 | 5.8577E-03 | 5.4227E-04 | 4.9829E-04 | 2.0382E-04 | 3.8195E-05 | 1.0359E-05 | 5.3037E-06 |
| S4 | -5.3677E-02 | 2.3689E-03 | 1.4347E-03 | 4.1470E-04 | 2.5700E-04 | 5.3641E-05 | 2.4433E-06 | 5.2913E-06 | 1.2938E-06 |
| S5 | -6.6670E-02 | 6.7451E-03 | 4.8918E-03 | 7.6644E-04 | -3.4017E-04 | -1.6468E-04 | -1.7807E-05 | 1.8088E-05 | 2.5875E-06 |
| S7 | -8.6030E-02 | -1.2883E-03 | 1.1586E-03 | 3.2540E-04 | -4.6342E-04 | -2.4652E-04 | -1.4299E-04 | -3.4156E-05 | -1.7870E-05 |
| S8 | -1.4839E-01 | 2.9274E-03 | 5.9136E-05 | -1.5787E-03 | -1.7420E-03 | -4.6452E-04 | -1.8267E-04 | -1.9048E-05 | -2.6021E-05 |
| S9 | -1.4201E-01 | 1.3372E-02 | 1.4744E-03 | -1.7049E-03 | -1.3881E-03 | -1.3752E-04 | 1.8224E-05 | 4.4034E-06 | -3.8777E-05 |
| S10 | -1.6376E-01 | 4.0067E-02 | 5.1739E-03 | -2.8408E-03 | -1.3420E-03 | -3.5940E-04 | 1.8431E-04 | 4.8598E-05 | -1.1729E-05 |
| S11 | -3.8114E-01 | -4.8655E-02 | 2.6892E-02 | 1.1908E-03 | 2.1817E-03 | -7.8555E-04 | -2.2717E-04 | -2.0496E-04 | -1.1017E-05 |
| S13 | -1.4556E+00 | 3.6172E-01 | -8.4663E-02 | 1.4896E-02 | -5.0981E-03 | 2.2296E-03 | -5.3582E-04 | 3.0100E-05 | 1.6811E-05 |
| S14 | -1.6029E+00 | 3.0700E-01 | -8.2394E-02 | 1.6569E-02 | -6.7644E-03 | 4.4432E-03 | -1.7549E-03 | 3.0912E-04 | 7.8648E-05 |
Table 26
Table 27
Table 28 gives the effective focal length of the effective focal length f1 to f7 of each lens in embodiment 7, imaging lens X-direction
Fx, the effective focal length fy of imaging lens Y direction, imaging lens optics total length TTL and imaging surface S17 on valid pixel
The half ImgH of region diagonal line length.
| f1(mm) | 5.76 | f7(mm) | -10.92 |
| f2(mm) | 5.40 | fx(mm) | 4.26 |
| f3(mm) | -5.77 | fy(mm) | 4.26 |
| f4(mm) | -158.80 | TTL(mm) | 5.21 |
| f5(mm) | 25.69 | ImgH(mm) | 3.46 |
| f6(mm) | -42.72 |
Table 28
Figure 14 shows the RMS spot diameters of the imaging lens of embodiment 7 in first quartile at different image heights position
Size cases.As can be seen from FIG. 14, imaging lens given by embodiment 7 can be realized good image quality.
Embodiment 8
The imaging lens according to the embodiment of the present application 8 are described referring to Figure 15 and Figure 16.Figure 15 is shown according to this
Apply for the structural schematic diagram of the imaging lens of embodiment 8.
As shown in figure 15, it is sequentially wrapped along optical axis by object side to image side according to the imaging lens of the application illustrative embodiments
It includes: the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens
E7, optical filter E8 and imaging surface S17.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Positive light coke, object side S3 are convex surface, and image side surface S4 is convex surface.The third lens E3 has negative power, and object side S5 is
Concave surface, image side surface S6 are concave surface.4th lens E4 has negative power, and object side S7 is concave surface, and image side surface S8 is concave surface.The
Five lens E5 have positive light coke, and object side S9 is convex surface, and image side surface S10 is convex surface.6th lens E6 has negative power,
Its object side S11 is convex surface, and image side surface S12 is concave surface.7th lens E7 has negative power, and object side S13 is convex surface, as
Side S14 is concave surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely
S16 is simultaneously ultimately imaged on imaging surface S17.
It may also include the diaphragm STO being arranged between object side and the first lens E1 according to the imaging lens of the application.
Table 29 shows the surface type, radius of curvature X, radius of curvature Y, thickness of each lens of the imaging lens of embodiment 8
Degree, material, circular cone coefficient X and circular cone coefficient Y, wherein the unit of radius of curvature X, radius of curvature Y and thickness are millimeter
(mm)。
Table 29
As shown in Table 29, in embodiment 8, in the third lens E3, the 4th lens E4, the 5th lens E5 and the 6th lens E6
The image side surface S2 of the object side of any one lens and image side surface and the first lens E1, the object side S3 of the second lens E2,
The image side surface S14 of seven lens E7 is aspherical；The object side S1 of first lens E1, the image side surface S4 of the second lens E2, the 7th
The object side S13 of lens E7 is non-rotationally-symmetric aspherical.
Table 30 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 8, wherein each aspherical face type can
It is limited by the formula (1) provided in above-described embodiment 1.Table 31 show can be used for it is non-rotationally-symmetric aspherical in embodiment 8
The rotational symmetry component of S1, S4 and S13 and the higher order coefficient of non-rotational symmetry component, wherein non-rotationally-symmetric aspherical
Face type can be limited by the formula (2) provided in above-described embodiment 1.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S2 | -7.8428E-02 | -2.9728E-04 | 1.7954E-03 | 3.1656E-04 | -1.2867E-04 | -4.7931E-05 | -5.0216E-05 | -9.4811E-06 | -1.0623E-05 |
| S3 | -4.5878E-02 | 2.5570E-02 | 4.6587E-03 | 2.0750E-04 | -4.3327E-05 | -1.1994E-04 | -4.9926E-05 | -2.4800E-05 | 1.6891E-05 |
| S5 | -8.3200E-03 | 5.5567E-03 | 8.2386E-03 | -6.5037E-04 | 6.5680E-05 | -3.0342E-04 | 1.8826E-04 | 7.7173E-05 | 5.1738E-05 |
| S6 | 4.6756E-02 | 1.4484E-03 | 6.2843E-03 | 7.3561E-04 | 1.5482E-04 | -1.4246E-04 | -1.1207E-04 | -4.0203E-05 | -2.8138E-05 |
| S7 | -1.0366E-01 | -1.0857E-02 | 2.5935E-03 | 9.5507E-04 | 3.5182E-04 | 3.3095E-05 | 9.6068E-06 | -2.1680E-05 | 3.8759E-06 |
| S8 | -1.4665E-01 | 3.1644E-03 | 5.7566E-03 | 1.3934E-03 | -6.5027E-04 | 1.8036E-04 | -1.6211E-05 | 9.7788E-06 | 1.4720E-05 |
| S9 | -1.4139E-01 | 2.5984E-02 | -7.4477E-04 | -4.4195E-03 | -2.6842E-03 | 6.0914E-04 | -1.7456E-04 | -6.9879E-05 | -1.0755E-05 |
| S10 | -1.6610E-01 | 3.9736E-02 | 1.1452E-02 | -1.0919E-03 | -1.5011E-03 | -3.9092E-04 | -7.1788E-06 | -4.1947E-06 | 2.4933E-05 |
| S11 | -4.5296E-01 | -3.9103E-02 | 1.9958E-02 | 2.8887E-03 | 2.2780E-03 | 2.0890E-04 | -1.3035E-04 | -7.6416E-05 | -6.8995E-05 |
| S12 | -4.5858E-01 | -4.8650E-02 | 2.6702E-02 | -9.4862E-03 | 2.7555E-03 | -1.3729E-03 | 3.4620E-04 | -8.6485E-05 | 6.2133E-05 |
| S14 | -1.7270E+00 | 3.5183E-01 | -8.4679E-02 | 1.6296E-02 | -7.5123E-03 | 5.5076E-03 | -1.8230E-03 | 5.4555E-04 | -1.3799E-04 |
Table 30
Table 31
Table 32 gives the effective focal length of the effective focal length f1 to f7 of each lens in embodiment 8, imaging lens X-direction
Fx, the effective focal length fy of imaging lens Y direction, imaging lens optics total length TTL and imaging surface S17 on valid pixel
The half ImgH of region diagonal line length.
Table 32
Figure 16 shows the RMS spot diameters of the imaging lens of embodiment 8 in first quartile at different image heights position
Size cases.As can be seen from FIG. 16, imaging lens given by embodiment 8 can be realized good image quality.
Embodiment 9
The imaging lens according to the embodiment of the present application 9 are described referring to Figure 17 and Figure 18.Figure 17 shows according to this
Apply for the structural schematic diagram of the imaging lens of embodiment 9.
As shown in figure 17, it is sequentially wrapped along optical axis by object side to image side according to the imaging lens of the application illustrative embodiments
It includes: the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens
E7, optical filter E8 and imaging surface S17.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Positive light coke, object side S3 are convex surface, and image side surface S4 is convex surface.The third lens E3 has negative power, and object side S5 is
Concave surface, image side surface S6 are concave surface.4th lens E4 has negative power, and object side S7 is convex surface, and image side surface S8 is concave surface.The
Five lens E5 have positive light coke, and object side S9 is convex surface, and image side surface S10 is convex surface.6th lens E6 has positive light coke,
Its object side S11 is convex surface, and image side surface S12 is concave surface.7th lens E7 has negative power, and object side S13 is convex surface, as
Side S14 is concave surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely
S16 is simultaneously ultimately imaged on imaging surface S17.
It may also include the diaphragm STO being arranged between object side and the first lens E1 according to the imaging lens of the application.
Table 33 shows the surface type, radius of curvature X, radius of curvature Y, thickness of each lens of the imaging lens of embodiment 9
Degree, material, circular cone coefficient X and circular cone coefficient Y, wherein the unit of radius of curvature X, radius of curvature Y and thickness are millimeter
(mm)。
Table 33
As shown in Table 33, in embodiment 9, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6 and
The image side surface S2 of the object side of any one lens and image side surface and the first lens E1 in 7th lens E7, the second lens E2
Object side S3 is aspherical；The image side surface S4 of the object side S1 of first lens E1 and the second lens E2 are non-rotationally-symmetric non-
Spherical surface.
Table 34 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 9, wherein each aspherical face type can
It is limited by the formula (1) provided in above-described embodiment 1.Table 35 show can be used for it is non-rotationally-symmetric aspherical in embodiment 9
The rotational symmetry component of S1 and S4 and the higher order coefficient of non-rotational symmetry component, wherein non-rotationally-symmetric aspherical face type
It can be limited by the formula (2) provided in above-described embodiment 1.
Table 34
Table 35
Table 36 gives the effective focal length of the effective focal length f1 to f7 of each lens in embodiment 9, imaging lens X-direction
Fx, the effective focal length fy of imaging lens Y direction, imaging lens optics total length TTL and imaging surface S17 on valid pixel
The half ImgH of region diagonal line length.
| f1(mm) | 4.79 | f7(mm) | -3.97 |
| f2(mm) | 5.02 | fx(mm) | 4.66 |
| f3(mm) | -4.56 | fy(mm) | 4.29 |
| f4(mm) | -24.18 | TTL(mm) | 5.20 |
| f5(mm) | 14.16 | ImgH(mm) | 3.46 |
| f6(mm) | 30.45 |
Table 36
Figure 18 shows the RMS spot diameters of the imaging lens of embodiment 9 in first quartile at different image heights position
Size cases.As can be seen from FIG. 18, imaging lens given by embodiment 9 can be realized good image quality.
Embodiment 10
The imaging lens according to the embodiment of the present application 10 are described referring to Figure 19 and Figure 20.Figure 19 is shown according to this
Apply for the structural schematic diagram of the imaging lens of embodiment 10.
As shown in figure 19, it is sequentially wrapped along optical axis by object side to image side according to the imaging lens of the application illustrative embodiments
It includes: the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens
E7, optical filter E8 and imaging surface S17.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Positive light coke, object side S3 are convex surface, and image side surface S4 is convex surface.The third lens E3 has negative power, and object side S5 is
Convex surface, image side surface S6 are concave surface.4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is concave surface.The
Five lens E5 have positive light coke, and object side S9 is convex surface, and image side surface S10 is convex surface.6th lens E6 has negative power,
Its object side S11 is concave surface, and image side surface S12 is concave surface.7th lens E7 has negative power, and object side S13 is convex surface, as
Side S14 is concave surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely
S16 is simultaneously ultimately imaged on imaging surface S17.
It may also include the diaphragm STO being arranged between object side and the first lens E1 according to the imaging lens of the application.
Table 37 shows the surface type, radius of curvature X, radius of curvature Y, thickness of each lens of the imaging lens of embodiment 10
Degree, material, circular cone coefficient X and circular cone coefficient Y, wherein the unit of radius of curvature X, radius of curvature Y and thickness are millimeter
(mm)。
Table 37
As shown in Table 37, in embodiment 10, any one in the 4th lens E4, the 5th lens E5 and the 6th lens E6 is saturating
The image side surface S2 of the object side of mirror and image side surface and the first lens E1, the object side S3 of the second lens E2, the third lens E3
Object side S5, the 7th lens E7 object side S13 be aspherical；The picture of the object side S1 of first lens E1, the second lens E2
Side S4, the image side surface S6 of the third lens E3, the 7th lens E7 image side surface S14 be it is non-rotationally-symmetric aspherical.
Table 38 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 10, wherein each aspherical face type
It can be limited by the formula (1) provided in above-described embodiment 1.Table 39, which is shown, can be used for non-rotationally-symmetric aspheric in embodiment 10
The rotational symmetry component of face S1, S4, S6 and S14 and the higher order coefficient of non-rotational symmetry component, wherein non-rotationally-symmetric non-
Spherical surface type can be limited by the formula (2) provided in above-described embodiment 1.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S2 | -7.8355E-02 | 7.0585E-04 | 2.7901E-03 | 2.6432E-04 | 1.9267E-05 | 7.5055E-06 | -1.4604E-05 | -6.0053E-06 | 2.2243E-06 |
| S3 | -4.7981E-02 | 1.8606E-02 | 2.6843E-03 | -3.3123E-04 | 9.4923E-05 | 4.8250E-05 | 4.1103E-06 | -1.3638E-05 | 5.6044E-06 |
| S5 | -6.3577E-02 | 2.1526E-03 | 3.7260E-03 | 3.7693E-04 | 8.6129E-05 | -1.2757E-04 | -1.6668E-05 | -7.2575E-06 | 1.1974E-05 |
| S7 | -8.8909E-02 | -2.0109E-03 | 5.5380E-04 | 7.0436E-04 | -1.0759E-04 | -5.2760E-05 | -2.4264E-05 | -2.0117E-06 | -1.3680E-05 |
| S8 | -1.3141E-01 | 6.3906E-03 | -6.2757E-05 | -8.4067E-04 | -7.5965E-04 | -2.6144E-04 | 2.3828E-05 | -1.1309E-05 | -1.2642E-05 |
| S9 | -1.3580E-01 | 1.7055E-02 | 4.3887E-03 | -4.6515E-03 | -1.2652E-03 | -5.3221E-04 | 3.3704E-05 | -4.9202E-05 | -1.0350E-04 |
| S10 | -1.4144E-01 | 2.3003E-02 | 1.5409E-02 | -5.0754E-03 | -1.0868E-04 | -8.5356E-04 | 2.5719E-04 | -1.1778E-05 | 8.0442E-06 |
| S11 | -3.4021E-01 | -5.5457E-02 | 2.2456E-02 | 9.2575E-04 | 4.1408E-03 | 7.8261E-04 | -1.3564E-04 | -1.3545E-04 | -4.5665E-04 |
| S12 | -5.3027E-01 | -7.9383E-02 | 3.6836E-02 | -2.0769E-02 | 7.8026E-03 | -3.0929E-03 | 1.8619E-03 | -4.7701E-04 | 1.4742E-04 |
| S13 | -1.5232E+00 | 4.0838E-01 | -1.0852E-01 | 2.0794E-02 | -5.5554E-03 | 4.2199E-03 | -1.5492E-03 | 3.9963E-04 | -7.1041E-05 |
Table 38
Table 39
Table 40 gives the effective focal length of the effective focal length f1 to f7 of each lens in embodiment 10, imaging lens X-direction
Fx, the effective focal length fy of imaging lens Y direction, imaging lens optics total length TTL and imaging surface S17 on valid pixel
The half ImgH of region diagonal line length.
| f1(mm) | 5.31 | f7(mm) | -4.60 |
| f2(mm) | 5.86 | fx(mm) | 4.07 |
| f3(mm) | -5.72 | fy(mm) | 4.56 |
| f4(mm) | 45.42 | TTL(mm) | 5.19 |
| f5(mm) | 10.33 | ImgH(mm) | 3.35 |
| f6(mm) | -9.65 |
Table 40
Figure 20 shows the RMS spot diameters of the imaging lens of embodiment 10 in first quartile at different image heights position
Size cases.0 it is found that imaging lens given by embodiment 10 can be realized good image quality according to fig. 2.
Embodiment 11
The imaging lens according to the embodiment of the present application 11 are described referring to Figure 21 and Figure 22.Figure 21 is shown according to this
Apply for the structural schematic diagram of the imaging lens of embodiment 11.
As shown in figure 21, it is sequentially wrapped along optical axis by object side to image side according to the imaging lens of the application illustrative embodiments
It includes: the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens
E7, optical filter E8 and imaging surface S17.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Positive light coke, object side S3 are convex surface, and image side surface S4 is convex surface.The third lens E3 has negative power, and object side S5 is
Convex surface, image side surface S6 are concave surface.4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is convex surface.The
Five lens E5 have positive light coke, and object side S9 is convex surface, and image side surface S10 is convex surface.6th lens E6 has negative power,
Its object side S11 is concave surface, and image side surface S12 is concave surface.7th lens E7 has negative power, and object side S13 is convex surface, as
Side S14 is concave surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely
S16 is simultaneously ultimately imaged on imaging surface S17.
It may also include the diaphragm STO being arranged between object side and the first lens E1 according to the imaging lens of the application.
Table 41 shows the surface type, radius of curvature X, radius of curvature Y, thickness of each lens of the imaging lens of embodiment 11
Degree, material, circular cone coefficient X and circular cone coefficient Y, wherein the unit of radius of curvature X, radius of curvature Y and thickness are millimeter
(mm)。
Table 41
As shown in Table 41, in embodiment 11, the second lens E2, the 4th lens E4, the 5th lens E5 and the 6th lens E6
In any one lens object side and the image side surface S2 of image side surface and the first lens E1, the third lens E3 object side S5,
The object side S13 of 7th lens E7 is aspherical；The object side S1 of first lens E1, the image side surface S6 of the third lens E3,
The image side surface S14 of seven lens E7 is non-rotationally-symmetric aspherical.
Table 42 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 11, wherein each aspherical face type
It can be limited by the formula (1) provided in above-described embodiment 1.Table 43, which is shown, can be used for non-rotationally-symmetric aspheric in embodiment 11
The rotational symmetry component of face S1, S6 and S14 and the higher order coefficient of non-rotational symmetry component, wherein non-rotationally-symmetric aspheric
Face face type can be limited by the formula (2) provided in above-described embodiment 1.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S2 | -7.7906E-02 | 7.5020E-04 | 2.8405E-03 | 2.3491E-04 | 1.3983E-05 | 4.3551E-06 | -1.4958E-05 | -5.1715E-06 | 2.1076E-06 |
| S3 | -4.7914E-02 | 1.8811E-02 | 2.5891E-03 | -3.2880E-04 | 9.8560E-05 | 4.9967E-05 | 3.8111E-06 | -1.2625E-05 | 5.9865E-06 |
| S4 | -5.2980E-02 | 2.8056E-04 | 1.5281E-03 | 2.7541E-05 | 3.3874E-04 | -3.7779E-05 | -2.2500E-06 | -7.7859E-06 | 4.8121E-06 |
| S5 | -6.3266E-02 | 2.0394E-03 | 3.9848E-03 | 2.8055E-04 | 8.9751E-05 | -1.3114E-04 | -1.2508E-05 | -7.9126E-06 | 1.0283E-05 |
| S7 | -8.8319E-02 | -2.2417E-03 | 6.1154E-04 | 6.8080E-04 | -1.8066E-04 | -6.3329E-05 | -3.6624E-05 | -7.9269E-06 | -2.1467E-05 |
| S8 | -1.3197E-01 | 6.6785E-03 | -1.9190E-04 | -9.5004E-04 | -8.5002E-04 | -2.5508E-04 | 2.3690E-05 | -1.7411E-05 | -1.8933E-05 |
| S9 | -1.3537E-01 | 1.6522E-02 | 4.3512E-03 | -4.5258E-03 | -1.1730E-03 | -5.1081E-04 | 7.4711E-05 | -5.4209E-05 | -9.5222E-05 |
| S10 | -1.4504E-01 | 2.2580E-02 | 1.5100E-02 | -5.1891E-03 | -1.7757E-04 | -8.7469E-04 | 2.5184E-04 | -7.6971E-06 | 4.9375E-06 |
| S11 | -3.2450E-01 | -5.7359E-02 | 2.3665E-02 | -2.9887E-04 | 3.5888E-03 | 3.5368E-04 | -1.9847E-04 | -1.4082E-04 | -3.7535E-04 |
| S12 | -5.3145E-01 | -7.5809E-02 | 3.7641E-02 | -2.1449E-02 | 7.2054E-03 | -2.7644E-03 | 1.7494E-03 | -3.7322E-04 | 1.4311E-04 |
| S13 | -1.5552E+00 | 4.0870E-01 | -1.1007E-01 | 2.0192E-02 | -5.8015E-03 | 3.9894E-03 | -1.4143E-03 | 3.2823E-04 | -3.0260E-05 |
Table 42
Table 43
Table 44 gives the effective focal length of the effective focal length f1 to f7 of each lens in embodiment 11, imaging lens X-direction
Fx, the effective focal length fy of imaging lens Y direction, imaging lens optics total length TTL and imaging surface S17 on valid pixel
The half ImgH of region diagonal line length.
| f1(mm) | 5.54 | f7(mm) | -6.03 |
| f2(mm) | 5.59 | fx(mm) | 4.06 |
| f3(mm) | -5.83 | fy(mm) | 4.43 |
| f4(mm) | 99.65 | TTL(mm) | 5.19 |
| f5(mm) | 9.61 | ImgH(mm) | 3.35 |
| f6(mm) | -9.48 |
Table 44
Figure 22 shows the RMS spot diameters of the imaging lens of embodiment 11 in first quartile at different image heights position
Size cases.2 it is found that imaging lens given by embodiment 11 can be realized good image quality according to fig. 2.
To sum up, embodiment 1 to embodiment 11 meets relationship shown in table 45 respectively.
Table 45
The application also provides a kind of photographic device, and electronics photosensitive element can be photosensitive coupling element (CCD) or complementation
Property matal-oxide semiconductor element (CMOS).Photographic device can be the independent picture pick-up device of such as digital camera, be also possible to
The photographing module being integrated on the mobile electronic devices such as mobile phone.The photographic device is equipped with imaging lens described above.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art
Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from the inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature
Any combination and the other technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed herein
Can technical characteristic replaced mutually and the technical solution that is formed.
Claims (16)
- It by object side to image side sequentially include: the first lens, the second lens, with focal power along optical axis 1. imaging lens Three lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens, which is characterized in thatFirst lens have positive light coke；The third lens have negative power；7th lens have negative power；At least one lens of first lens into the 7th lens have non-rotationally-symmetric aspherical；AndThe Entry pupil diameters EPDx of the X-direction of the effective focal length fx and imaging lens of the X-direction of the imaging lens is full Sufficient fx/EPDx < 1.9；AndThe Entry pupil diameters EPDy of the Y direction of the effective focal length fy and imaging lens of the Y direction of the imaging lens is full Sufficient fy/EPDy < 1.9.
- 2. imaging lens according to claim 1, which is characterized in that the effective focal length of the X-direction of the imaging lens The effective focal length fy of the Y direction of fx and the imaging lens meets 0.8 < fx/fy < 1.2.
- 3. imaging lens according to claim 1, which is characterized in that the effective focal length f3 of the third lens and described the The effective focal length f7 of seven lens meets 0.5 < f3/f7 < 1.5.
- 4. imaging lens according to claim 1, which is characterized in that the object side of the 7th lens is convex surface, image side Face is concave surface.
- 5. imaging lens according to claim 4, which is characterized in that the image side surface of the 6th lens is concave surface.
- 6. imaging lens according to claim 4, which is characterized in that the image side surface of the third lens is concave surface；AndThe radius of curvature R 6 of the image side surface of the radius of curvature R 14 and the third lens of the image side surface of 7th lens meets 0.2 < R14/R6 < 0.7.
- 7. imaging lens according to claim 1, which is characterized in that the effective focal length f1 of first lens, described The radius of curvature R 2 of the image side surface of the radius of curvature R 1 of the object side of one lens and first lens meets 0.5 < f1/ (R1+ R2) 1.5 <.
- 8. imaging lens according to claim 1, which is characterized in that the radius of curvature of the object side of second lens R3, second lens image side surface radius of curvature R 4 and second lens effective focal length f2 meet 2 < (R3-R4)/ F2 < 2.8.
- 9. imaging lens according to claim 1, which is characterized in that the edge thickness ET6 of the 6th lens with it is described The edge thickness ET7 of 7th lens meets 0.9 < ET6/ET7 < 1.6.
- 10. imaging lens according to claim 1, which is characterized in that effective half mouthful of the object side of the 4th lens Effective half bore DT51 of the object side of diameter DT41, the 5th lens and effective pixel region on the imaging surface of the imaging lens The half ImgH of domain diagonal line length meets 0.5 < (DT41+DT51)/ImgH < 0.8.
- 11. imaging lens according to claim 1, which is characterized in that the third lens and the 4th lens are in institute State the spacing distance T67 and institute of spacing distance T34, the 6th lens and the 7th lens on the optical axis on optical axis It states the spacing distance T56 of the 5th lens and the 6th lens on the optical axis and meets 1.4 < (T34+T67)/T56 < 2.5.
- 12. imaging lens according to claim 1, which is characterized in that center of second lens on the optical axis The center of center thickness CT4, the 5th lens on the optical axis of thickness CT2, the 4th lens on the optical axis The center thickness CT6 of thickness CT5 and the 6th lens on the optical axis meets 1.1 < (CT2+CT4+CT5)/CT6 < 1.6。
- 13. imaging lens according to any one of claim 1 to 12, which is characterized in that the full view of the imaging lens Rink corner FOV meets 70 ° of 90 ° of < FOV <.
- 14. imaging lens according to any one of claim 1 to 12, which is characterized in that the imaging lens further include Diaphragm, the object side of the imaging surface of the diaphragm to the imaging lens distance SL on the optical axis and first lens Extremely distance TTL of the imaging surface of the imaging lens on the optical axis meets 0.8 < SL/TTL < 1.
- 15. imaging lens according to any one of claim 1 to 12, which is characterized in that the object side of first lens Face to the imaging lens imaging surface on the optical axis distance TTL and the imaging lens imaging surface on valid pixel The half ImgH of region diagonal line length meets TTL/ImgH < 1.6.
- It by object side to image side sequentially include: the first lens, the second lens, with focal power along optical axis 16. imaging lens Three lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens, which is characterized in thatFirst lens have positive light coke；The third lens have negative power；7th lens have negative power；At least one lens of first lens into the 7th lens have non-rotationally-symmetric aspherical；AndThe effective focal length fy of the Y direction of the effective focal length fx and imaging lens of the X-direction of the imaging lens meets 0.8 < fx/fy < 1.2.
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| US10942335B2 (en) | 2018-12-26 | 2021-03-09 | Largan Precision Co., Ltd. | Photographing optical system, image capturing unit and electronic device |
| CN112788204A (en) * | 2019-11-08 | 2021-05-11 | 宁波舜宇车载光学技术有限公司 | Lens group, camera module and imaging system |
| CN113589481A (en) * | 2019-07-02 | 2021-11-02 | 浙江舜宇光学有限公司 | Optical imaging lens |
| CN113985574A (en) * | 2021-11-04 | 2022-01-28 | 浙江舜宇光学有限公司 | Optical imaging lens |
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| US11686922B2 (en) | 2020-02-14 | 2023-06-27 | Largan Precision Co., Ltd. | Imaging optical lens assembly, image capturing unit and electronic device |
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