CN107976780A - Camera optical camera lens - Google Patents
Camera optical camera lens Download PDFInfo
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- CN107976780A CN107976780A CN201711151223.8A CN201711151223A CN107976780A CN 107976780 A CN107976780 A CN 107976780A CN 201711151223 A CN201711151223 A CN 201711151223A CN 107976780 A CN107976780 A CN 107976780A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 116
- 238000003384 imaging method Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 18
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- 238000012937 correction Methods 0.000 description 10
- 238000013461 design Methods 0.000 description 9
- 238000001914 filtration Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 210000001747 pupil Anatomy 0.000 description 3
- 238000009738 saturating Methods 0.000 description 3
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- 210000003128 head Anatomy 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
-
- 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
The present invention relates to field of optical lens, discloses a kind of camera optical camera lens, which sequentially includes from thing side to image side：First lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, and the 6th lens；Second lens have negative refracting power, and the 3rd lens have positive refracting power；And meet following relationship：0.1≤f1/f≤10；1.7≤n6≤2.2；0.01≤d11/TTL≤0.2.While the camera optical camera lens can obtain high imaging performance, low TTL is obtained.
Description
Technical field
It is more particularly to a kind of to be suitable for the hand-held terminals such as smart mobile phone, digital camera the present invention relates to field of optical lens
Equipment, and the camera optical camera lens of the camera device such as monitor, PC camera lenses.
Background technology
In recent years, with the rise of smart mobile phone, the demand for minimizing phtographic lens increasingly improves, and general phtographic lens
Sensor devices nothing more than being that photosensitive coupled apparatus (Charge Coupled Device, CCD) or Complimentary Metal-Oxide are partly led
Two kinds of body device (Complementary Metal-OxideSemicondctor Sensor, CMOS Sensor), and due to half
Conductor manufacturing process technology progresses greatly so that the Pixel Dimensions of sensor devices reduce, along with electronic product is good with function now
And light and short external form is development trend, therefore, the miniaturization pick-up lens for possessing good image quality becomes at present
The mainstream of in the market.To obtain preferable image quality, the camera lens that tradition is equipped on mobile phone camera uses three-chip type or four more
Formula lens arrangement.Also, with the development of technology and increasing for users on diversity, sensor devices elemental area not
It is disconnected to reduce, and in the case that requirement of the system to image quality is continuously improved, five chips, six chips, seven chip lens arrangements by
Gradually appear among lens design.The wide-angle that there is outstanding optical signature, ultra-thin and chromatic aberation fully to make corrections for active demand is taken the photograph
As camera lens.
The content of the invention
In view of the above-mentioned problems, it is an object of the invention to provide a kind of camera optical camera lens, high imaging performance can obtained
While, meet the requirement of ultrathin and wide angle.
In order to solve the above technical problems, embodiments of the present invention provide a kind of camera optical camera lens, the shooting light
Camera lens is learned, is sequentially included from thing side to image side：First lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, and
6th lens；Second lens have negative refracting power, and the 3rd lens have positive refracting power；
The focal length of the camera optical camera lens is f, and the focal lengths of first lens is f1, the refractive index of the 6th lens
For n6, thickness is d11 on the axis of the 6th lens, and the optics overall length of the camera optical camera lens is TTL, meets following relationship
Formula：
0.1≤f1/f≤10；
1.7≤n6≤2.2；
0.01≤d11/TTL≤0.2。
Embodiment of the present invention in terms of existing technologies, by the configuration mode of said lens, using in focal length, folding
Penetrate rate, the optics overall length of camera optical camera lens, have in the data of thickness and radius of curvature on axis particular kind of relationship lens it is common
Coordinate, camera optical camera lens is met the requirement of ultrathin and wide angle while high imaging performance is obtained.
Preferably, first lens have a positive refracting power, its thing side in it is paraxial be convex surface, its image side surface is in paraxial
Concave surface；The radius of curvature of the first lens thing side is R1, and the radius of curvature of the first lens image side surface is R2, Yi Jisuo
It is d1 to state thickness on the axis of the first lens, and meets following relationship：-3.39≤(R1+R2)/(R1-R2)≤-1.07；0.27
≤d1≤0.90。
Preferably, its thing side of second lens in it is paraxial be convex surface, its image side surface in it is paraxial be concave surface；The shooting
The focal length of optical lens is f, and the focal length of second lens is f2, and the radius of curvature of the second lens thing side is R3, institute
The radius of curvature for stating the second lens image side surface is R4, and thickness is d3 on the axis of second lens, and meets following relationship：-
4.57≤f2/f≤-1.45；1.24≤(R3+R4)/(R3-R4)≤4.31；0.15≤d3≤0.49.
Preferably, its image side surface of the 3rd lens in paraxial place be convex surface；The focal length of the camera optical camera lens is f,
The focal length of 3rd lens is f3, and the radius of curvature of the 3rd lens thing side is R5, the 3rd lens image side surface
Radius of curvature is R6, and thickness is d5 on the axis of the 3rd lens, and meets following relationship：1.30≤f3/f≤4.32；
0.12≤(R5+R6)/(R5-R6)≤1.64；0.24≤d5≤0.97.
Preferably, described its thing side of 4th lens in it is paraxial be concave surface, its image side surface in it is paraxial be convex surface；The shooting
The focal length of optical lens is f, and the focal length of the 4th lens is f4, and the radius of curvature of the 4th lens thing side is R7, institute
The radius of curvature for stating the 4th lens image side surface is R8, and thickness is d7 on the axis of the 4th lens, and meets following relationship：-
11.26≤f4/f≤8.82；-9.45≤(R7+R8)/(R7-R8)≤9.13；0.18≤d7≤0.98.
Preferably, the 5th lens have positive refracting power, its thing side in it is paraxial be convex surface；The camera optical camera lens
Focal length be f, the focal length of the 5th lens is f5, and the radius of curvature of the 5th lens thing side is R9, and the described 5th is saturating
The radius of curvature of mirror image side is R10, and thickness is d9 on the axis of the 5th lens, and meets following relationship：0.55≤f5/
f≤2.11；-2.18≤(R9+R10)/(R9-R10)≤-0.59；0.18≤d9≤0.66.
Preferably, the 6th lens have a negative refracting power, its thing side in it is paraxial be concave surface, its image side surface is in paraxial
Convex surface；The focal length of the camera optical camera lens is f, and the focal length of the 6th lens is f6, the song of the 6th lens thing side
Rate radius is R11, and the radius of curvature of the 6th lens image side surface is R12, and thickness is d11 on the axis of the 6th lens, and
Meet following relationship：-1.15≤f6/f≤-0.34；-4.16≤(R11+R12)/(R11-R12)≤-1.06；0.14≤d11
≤0.60。
Preferably, the focal length of the camera optical camera lens is the combined focal length of f, first lens and second lens
For f12, and meet following relationship：0.61≤f12/f≤2.14.
Preferably, the optics overall length TTL of the camera optical camera lens is less than or equal to 5.72 millimeters.
Preferably, the aperture F numbers of the camera optical camera lens are less than or equal to 2.27.
The beneficial effects of the present invention are:Camera optical camera lens according to the present invention has outstanding optical characteristics, ultra-thin,
Wide-angle and chromatic aberation fully makes corrections, is particularly suitable for the cell-phone camera mirror being made of photographing elements such as CCD, CMOS of high pixel
Head assembly and WEB pick-up lens.
Brief description of the drawings
Fig. 1 is the structure diagram of the camera optical camera lens of first embodiment of the invention；
Fig. 2 is the axial aberration schematic diagram of camera optical camera lens shown in Fig. 1；
Fig. 3 is the ratio chromatism, schematic diagram of camera optical camera lens shown in Fig. 1；
Fig. 4 is the curvature of field and distortion schematic diagram of camera optical camera lens shown in Fig. 1；
Fig. 5 is the structure diagram of the camera optical camera lens of second embodiment of the invention；
Fig. 6 is the axial aberration schematic diagram of camera optical camera lens shown in Fig. 5；
Fig. 7 is the ratio chromatism, schematic diagram of camera optical camera lens shown in Fig. 5；
Fig. 8 is the curvature of field and distortion schematic diagram of camera optical camera lens shown in Fig. 5；
Fig. 9 is the structure diagram of the camera optical camera lens of third embodiment of the invention；
Figure 10 is the axial aberration schematic diagram of camera optical camera lens shown in Fig. 9；
Figure 11 is the ratio chromatism, schematic diagram of camera optical camera lens shown in Fig. 9；
Figure 12 is the curvature of field and distortion schematic diagram of camera optical camera lens shown in Fig. 9.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, each reality below in conjunction with attached drawing to the present invention
The mode of applying is explained in detail.However, it will be understood by those skilled in the art that in each embodiment of the present invention,
Many ins and outs are proposed in order to make reader more fully understand the present invention.But even if without these ins and outs and base
Many variations and modification in following embodiment, can also realize claimed technical solution of the invention.
(first embodiment)
Refer to the attached drawing, the present invention provides a kind of camera optical camera lens 10.Fig. 1 show first embodiment of the invention
Camera optical camera lens 10, the camera optical camera lens 10 include six lens.Specifically, the camera optical camera lens 10, by thing side
Sequentially include to image side：Aperture S1, the first lens L1, the second lens L2, the 3rd lens L3, the 4th lens L4, the 5th lens L5
And the 6th lens L6.It may be provided with the optical elements such as optical filtering piece (filter) GF between 6th lens L6 and image planes Si.
First lens L1 is plastic material, and the second lens L2 is plastic material, and the 3rd lens L3 is plastic material, and the 4th is saturating
Mirror L4 is plastic material, and the 5th lens L5 is plastic material, and the 6th lens L6 is glass material.
The second lens L2 has negative refracting power, and the 3rd lens L3 has positive refracting power；
Here, the focal length of the overall camera optical camera lens 10 of definition is f, the focal length of the first lens L1 is f1,0.1≤
F1/f≤10 are, it is specified that the positive refracting power of the first lens L1.During more than lower limit setting, sent out although being conducive to camera lens to ultrathin
Exhibition, but the positive refracting power of the first lens L1 can too strong, it is difficult to make corrections aberration the problems such as, while be unfavorable for camera lens to wide angle hair
Exhibition.On the contrary, when exceeding upper limit setting, the positive refracting power of the first lens can become weak, and camera lens is difficult to develop to ultrathin.It is preferred that
, meet 0.5≤f1/f≤5.5.
The refractive index for defining the 6th lens L6 is n6,1.7≤n6≤2.2, it is specified that the refractive index of the 6th lens L6,
It is more advantageous to developing to ultrathin within this range, while beneficial to amendment aberration.Preferably, 1.7≤n6≤2.0 are met.
It is d11 to define thickness on the axis of the 6th lens L6, and the optics overall length of camera optical camera lens is TTL, 0.01≤
D11/TTL≤0.2, it is specified that on the axis of the 6th lens L6 thickness and the optics overall length TTL of camera optical camera lens 10 ratio, have
Beneficial to realizing ultrathin.Preferably, 0.03≤d11/TTL≤0.14 is met.
When the focal length of camera optical camera lens 10 of the present invention, the focal length of each lens, the refractive index of associated lens, shooting light
Learn the optics overall length of camera lens, when thickness and radius of curvature meet above-mentioned relation formula on axis, can have videography optical lens first 10
High-performance, and meet the design requirement of low TTL.
In present embodiment, the thing side of the first lens L1 is convex surface in paraxial place, and image side surface is concave surface in paraxial place, tool
There is positive refracting power.
The radius of curvature of first lens L1 things side is R1, and the radius of curvature of the first lens L1 image side surfaces is R2, under satisfaction
Row relational expression：- 3.39≤(R1+R2)/(R1-R2)≤- 1.07, rationally control the shape of the first lens so that the first lens energy
It is enough effectively to correct system spherical aberration；Preferably, -2.12≤(R1+R2)/(R1-R2)≤- 1.34.
Thickness is d1 on the axis of first lens L1, meets following relationship：0.27≤d1≤0.90, is advantageously implemented ultra-thin
Change.Preferably, 0.43≤d1≤0.72.
In present embodiment, the thing side of the second lens L2 is convex surface in paraxial place, and image side surface is concave surface in paraxial place, tool
There is negative refracting power.
The focal length of overall camera optical camera lens 10 is f, and the second lens L2 focal lengths are f2, meet following relationship：-4.57≤
F2/f≤- 1.45, by by the control of the negative power of the second lens L2 in zone of reasonableness, with rationally and effectively balance by with
The spherical aberration and the curvature of field amount of system that first lens L1 of positive light coke is produced.Preferably, -2.85≤f2/f≤- 1.81.
The radius of curvature of second lens L2 things side is R3, and the radius of curvature of the second lens L2 image side surfaces is R4, under satisfaction
Row relational expression：1.24≤(R3+R4)/(R3-R4)≤4.31 are, it is specified that the shape of the second lens L2, when outside scope, with mirror
Head develops to ultra-thin wide angle, it is difficult to the axis that makes corrections colouring Aberration Problem.Preferably, 1.98≤(R3+R4)/(R3-R4)≤3.45.
Thickness is d3 on the axis of second lens L2, meets following relationship：0.15≤d3≤0.49, is advantageously implemented ultra-thin
Change.Preferably, 0.24≤d3≤0.39.
In present embodiment, the image side surface of the 3rd lens L3 is convex surface in paraxial place, has positive refracting power.
The focal length of overall camera optical camera lens 10 is f, and the 3rd lens L3 focal length f3, meet following relationship：1.30≤f3/
F≤4.32, are conducive to the ability that system obtains the good balance curvature of field, effectively to lift image quality.Preferably, 2.08≤f3/f
≤3.46。
The radius of curvature of 3rd lens L3 things side is R5, and the radius of curvature of the 3rd lens L3 image side surfaces is R6, under satisfaction
Row relational expression：0.12≤(R5+R6)/(R5-R6)≤1.64, can effectively control the shape of the 3rd lens L3, it is saturating to be conducive to the 3rd
Mirror L3 is molded, and avoids causing to be molded the generation of bad and stress because the surface curvature of the 3rd lens L3 is excessive.Preferably, 0.19
≤(R5+R6)/(R5-R6)≤1.31。
Thickness is d5 on the axis of 3rd lens L3, meets following relationship：0.24≤d5≤0.97, is advantageously implemented ultra-thin
Change.Preferably, 0.39≤d5≤0.78.
In present embodiment, the thing side of the 4th lens L4 is concave surface in paraxial place, and image side surface is convex surface in paraxial place.
The focal length of overall camera optical camera lens 10 is f, and the 4th lens L4 focal length f4, meet following relationship：-11.26≤
F4/f≤8.82, pass through the reasonable distribution of focal power so that system has preferable image quality and relatively low sensitiveness.It is preferred that
, -7.04≤f4/f≤7.06.
The radius of curvature R 7 of 4th lens L4 things side, the radius of curvature R 8 of the 4th lens L4 image side surfaces, meets following pass
It is formula：- 9.45≤(R7+R8)/(R7-R8)≤9.13, it is specified that be the 4th lens L4 shape, when outside scope, with super
The development of thin wide angle, it is difficult to the problems such as drawing the aberration at angle outside the axis that makes corrections.Preferably, -5.91≤(R7+R8)/(R7-R8)≤
7.31。
Thickness is d7 on the axis of 4th lens L4, meets following relationship：0.18≤d7≤0.98, is advantageously implemented ultra-thin
Change.Preferably, 0.28≤d7≤0.78.
In present embodiment, the thing side of the 5th lens L5 is convex surface in paraxial place, has positive refracting power.
The focal length of overall camera optical camera lens 10 is f, and the 5th lens L5 focal lengths are f5, meet following relationship：0.55≤
F5/f≤2.11, can be effectively so that the light angle of pick-up lens be gentle to limiting for the 5th lens L5, and reduction tolerance is sensitive
Degree.Preferably, 0.87≤f5/f≤1.69.
The radius of curvature of 5th lens L5 things side is R9, and the radius of curvature of the 5th lens L5 image side surfaces is R10, under satisfaction
Row relational expression：- 2.18≤(R9+R10)/(R9-R10)≤- 0.59, it is specified that be the 5th lens L5 shape, in condition and range
When outer, as ultra-thin wide angle develops, it is difficult to the problems such as drawing the aberration at angle outside the axis that makes corrections.Preferably, -1.36≤(R9+R10)/
(R9-R10)≤-0.74。
Thickness is d9 on the axis of 5th lens L5, meets following relationship：0.18≤d9≤0.66, is advantageously implemented ultra-thin
Change.Preferably, 0.30≤d9≤0.53.
In present embodiment, the thing side of the 6th lens L6 is concave surface in paraxial place, and image side surface is convex surface in paraxial place, tool
There is negative refracting power.
The focal length of overall camera optical camera lens 10 is f, and the 6th lens L6 focal length f6, meet following relationship：-1.15≤
F6/f≤- 0.34, passes through the reasonable distribution of focal power so that system has preferable image quality and relatively low sensitiveness.It is excellent
Choosing, -0.72≤f6/f≤- 0.42.
The radius of curvature of 6th lens L6 things side is R11, and the radius of curvature of the 6th lens L6 image side surfaces is R12, is met
Following relationship：- 4.16≤(R11+R12)/(R11-R12)≤- 1.06, it is specified that be the 6th lens L6 shape, in condition
When outside scope, as ultra-thin wide angle develops, it is difficult to the problems such as drawing the aberration at angle outside the axis that makes corrections.Preferably, -2.60≤(R11+
R12)/(R11-R12)≤-1.33。
Thickness is d11 on the axis of 6th lens L6, meets following relationship：0.14≤d11≤0.60, is advantageously implemented super
Thinning.Preferably, 0.22≤d11≤0.48.
In the present embodiment, the focal length of the camera optical camera lens is f, the combination of first lens and second lens
Focal length is f12, and meets following relationship：0.61≤f12/f≤2.14.Whereby, can eliminate the aberration of camera optical camera lens with
Distort, and camera optical camera lens back focal length can be suppressed, maintain the miniaturization of image lens system group.Preferably, 0.98≤f12/f≤
1.71。
In present embodiment, the optics overall length TTL of camera optical camera lens 10 is less than or equal to 5.72 millimeters, is advantageously implemented
Ultrathin.Preferably, the optics overall length TTL of camera optical camera lens 10 is less than or equal to 5.46 millimeters.
In present embodiment, the aperture F numbers of camera optical camera lens 10 are less than or equal to 2.27.Large aperture, imaging performance are good.
Preferably, the aperture F numbers of camera optical camera lens 10 are less than or equal to 2.22.
It is so designed that, enables to the optics overall length TTL of overall camera optical camera lens 10 to shorten as far as possible, maintain miniaturization
Characteristic.
The camera optical camera lens 10 of the present invention will be illustrated with example below.The described following institute of symbol in each example
Show.The unit of distance, radius and center thickness is mm.
TTL:Optical length (distance on the thing side of the 1st lens L1 to the axis of imaging surface)；
Preferably, the point of inflexion and/or stationary point are also provided with the thing side of the lens and/or image side surface, with full
The imaging demand of sufficient high-quality, specifically can embodiment, join lower described.
Shown below according to first embodiment of the invention camera optical camera lens 10 design data, focal length, distance,
The unit of radius and center thickness is mm.
Table 1, table 2 show the design data of the camera optical camera lens 10 of first embodiment of the invention.
【Table 1】
Wherein, the implication of each symbol is as follows.
S1:Aperture；
R:Radius of curvature centered on when the radius of curvature of optical surface, lens；
R1:The radius of curvature of the thing side of first lens L1；
R2:The radius of curvature of the image side surface of first lens L1；
R3:The radius of curvature of the thing side of second lens L2；
R4:The radius of curvature of the image side surface of second lens L2；
R5:The radius of curvature of the thing side of 3rd lens L3；
R6:The radius of curvature of the image side surface of 3rd lens L3；
R7:The radius of curvature of the thing side of 4th lens L4；
R8:The radius of curvature of the image side surface of 4th lens L4；
R9:The radius of curvature of the thing side of 5th lens L5；
R10:The radius of curvature of the image side surface of 5th lens L5；
R11:The radius of curvature of the thing side of 6th lens L6；
R12:The radius of curvature of the image side surface of 6th lens L6；
R13:The radius of curvature of the thing side of optical filtering piece GF；
R14:The radius of curvature of the image side surface of optical filtering piece GF；
d:Distance on axis on the axis of lens between thickness and lens；
d0：Aperture S1 is to distance on the axis of the thing side of the first lens L1；
d1：Thickness on the axis of first lens L1；
d2：The image side surface of first lens L1 is to distance on the axis of the thing side of the second lens L2；
d3：Thickness on the axis of second lens L2；
d4：The image side surface of second lens L2 is to distance on the axis of the thing side of the 3rd lens L3；
d5：Thickness on the axis of 3rd lens L3；
d6：The image side surface of 3rd lens L3 is to distance on the axis of the thing side of the 4th lens L4；
d7：Thickness on the axis of 4th lens L4；
d8：The image side surface of 4th lens L4 is to distance on the axis of the thing side of the 5th lens L5；
d9：Thickness on the axis of 5th lens L5；
d10：The image side surface of 5th lens L5 is to distance on the axis of the thing side of the 6th lens L6；
d11：Thickness on the axis of 6th lens L6；
d12：The image side surface of 6th lens L6 is to distance on the axis of the thing side of optical filtering piece GF；
d13：Thickness on the axis of optical filtering piece GF；
d14：The image side surface of optical filtering piece GF is to distance on the axis of image planes；
nd:The refractive index of d lines；
nd1:The refractive index of the d lines of first lens L1；
nd2:The refractive index of the d lines of second lens L2；
nd3:The refractive index of the d lines of 3rd lens L3；
nd4:The refractive index of the d lines of 4th lens L4；
nd5:The refractive index of the d lines of 5th lens L5；
nd6：The refractive index of the d lines of 6th lens L6；
ndg:The refractive index of the d lines of optical filtering piece GF；
vd:Abbe number；
v1：The Abbe number of first lens L1；
v2：The Abbe number of second lens L2；
v3：The Abbe number of 3rd lens L3；
v4：The Abbe number of 4th lens L4；
v5：The Abbe number of 5th lens L5；
v6：The Abbe number of 6th lens L6；
vg：The Abbe number of optical filtering piece GF.
Table 2 shows the aspherical surface data of each lens in the camera optical camera lens 10 of first embodiment of the invention.
【Table 2】
Wherein, k is circular cone coefficient, and A4, A6, A8, A10, A12, A14, A16 are asphericity coefficients.
IH:Image height
Y=(x2/R)/[1+{1-(k+1)(x2/R2)}1/2]+A4x4+A6x6+A8x8+A10x10+A12x12+A14x14+
A16x16 (1)
For convenience, each lens face is aspherical using aspherical shown in above-mentioned formula (1).But this hair
The bright aspherical polynomial form for being not limited to the formula (1) expression.
Table 3, table 4 show the point of inflexion of each lens and stationary point in the camera optical camera lens 10 of first embodiment of the invention
Design data.Wherein, P1R1, P1R2 represent thing side and the image side surface of the first lens P1 respectively, and P2R1, P2R2 represent respectively
The thing side of two lens L2 and image side surface, P3R1, P3R2 represent thing side and the image side surface of the 3rd lens L3 respectively, P4R1,
P4R2 represents thing side and the image side surface of the 4th lens L4 respectively, P5R1, P5R2 represent respectively the 5th lens L5 thing side and
Image side surface, P6R1, P6R2 represent thing side and the image side surface of the 6th lens L6 respectively." point of inflexion position " field corresponding data is
The vertical range of the point of inflexion set by each lens surface to 10 optical axis of camera optical camera lens." stationary point position " field corresponding data
Vertical range for the stationary point set by each lens surface to 10 optical axis of camera optical camera lens.
【Table 3】
| Point of inflexion number | Point of inflexion position 1 | Point of inflexion position 2 | Point of inflexion position 3 | |
| P1R1 | 1 | 0.925 | ||
| P1R2 | 1 | 0.325 | ||
| P2R1 | 2 | 0.355 | 0.605 | |
| P2R2 | 0 | |||
| P3R1 | 0 | |||
| P3R2 | 1 | 1.205 | ||
| P4R1 | 2 | 1.005 | 1.395 | |
| P4R2 | 2 | 1.015 | 1.585 | |
| P5R1 | 1 | 0.655 | ||
| P5R2 | 3 | 0.265 | 0.675 | 2.195 |
| P6R1 | 1 | 1.555 | ||
| P6R2 | 1 | 2.595 |
【Table 4】
| Stationary point number | Stationary point position 1 | Stationary point position 2 | |
| P1R1 | 0 | ||
| P1R2 | 1 | 0.615 | |
| P2R1 | 0 | ||
| P2R2 | 0 | ||
| P3R1 | 0 | ||
| P3R2 | 0 | ||
| P4R1 | 0 | ||
| P4R2 | 2 | 1.535 | 1.585 |
| P5R1 | 1 | 1.125 | |
| P5R2 | 2 | 0.495 | 0.785 |
| P6R1 | 1 | 2.615 | |
| P6R2 | 1 | 2.945 |
Fig. 2, Fig. 3 respectively illustrate shooting light of light of the wavelength for 486nm, 588nm and 656nm Jing Guo first embodiment
Learn axial aberration and ratio chromatism, schematic diagram after camera lens 10.Fig. 4 then shows that the light that wavelength is 588nm is real by first
The curvature of field after the camera optical camera lens 10 of mode and distortion schematic diagram are applied, the curvature of field S of Fig. 4 is the curvature of field in sagitta of arc direction, and T is meridian
The curvature of field in direction.
The table 13 occurred afterwards is shown in each example 1,2,3 in various numerical value and conditional corresponding to defined parameter
Value.
As shown in table 13, first embodiment meets each conditional.
In the present embodiment, the Entry pupil diameters of the camera optical camera lens are 2.077mm, and full filed image height is
3.928mm, the field angle of diagonal are 80.73 °, wide-angle, ultra-thin, and on its axis, the outer chromatic aberation of axis fully makes corrections, and have
Outstanding optical signature.
(second embodiment)
Second embodiment is essentially identical with first embodiment, and symbol implication is identical with first embodiment, below only
List difference.
Table 5, table 6 show the design data of the camera optical camera lens 20 of second embodiment of the invention.
【Table 5】
Table 6 shows the aspherical surface data of each lens in the camera optical camera lens 20 of second embodiment of the invention.
【Table 6】
Table 7, table 8 show the point of inflexion of each lens and stationary point in the camera optical camera lens 20 of second embodiment of the invention
Design data.
【Table 7】
| Point of inflexion number | Point of inflexion position 1 | Point of inflexion position 2 | |
| P1R1 | 1 | 0.825 | |
| P1R2 | 1 | 0.295 | |
| P2R1 | 2 | 0.305 | 0.595 |
| P2R2 | 0 | ||
| P3R1 | 2 | 0.265 | 975 |
| P3R2 | 1 | 1.145 | |
| P4R1 | 2 | 0.985 | 1.435 |
| P4R2 | 2 | 1.075 | 1.545 |
| P5R1 | 2 | 0.525 | 1.905 |
| P5R2 | 1 | 0.635 | |
| P6R1 | 1 | 1.895 | |
| P6R2 | 1 | 2.325 |
【Table 8】
| Stationary point number | Stationary point position 1 | |
| P1R1 | 0 | |
| P1R2 | 1 | 0.525 |
| P2R1 | 0 | |
| P2R2 | 0 | |
| P3R1 | 1 | 0.445 |
| P3R2 | 0 | |
| P4R1 | 0 | |
| P4R2 | 0 | |
| P5R1 | 1 | 0.945 |
| P5R2 | 1 | 0.875 |
| P6R1 | 0 | |
| P6R2 | 0 |
Fig. 6, Fig. 7 respectively illustrate shooting light of light of the wavelength for 486nm, 588nm and 656nm Jing Guo second embodiment
Learn axial aberration and ratio chromatism, schematic diagram after camera lens 20.Fig. 8 then shows that the light that wavelength is 588nm is real by second
Apply the curvature of field after the camera optical camera lens 20 of mode and distortion schematic diagram.
As shown in table 13, second embodiment meets each conditional.
In the present embodiment, the Entry pupil diameters of the camera optical camera lens are 1.978mm, and full filed image height is
3.928mm, the field angle of diagonal are 83.41 °, wide-angle, ultra-thin, and on its axis, the outer chromatic aberation of axis fully makes corrections, and have
Outstanding optical signature.
(the 3rd embodiment)
3rd embodiment and first embodiment are essentially identical, and symbol implication is identical with first embodiment, below only
List difference.
Table 9, table 10 show the design data of the camera optical camera lens 30 of third embodiment of the invention.
【Table 9】
Table 10 shows the aspherical surface data of each lens in the camera optical camera lens 30 of third embodiment of the invention.
【Table 10】
Table 11, table 12 show the point of inflexion of each lens in the camera optical camera lens 30 of third embodiment of the invention and stay
Point design data.
【Table 11】
【Table 12】
| Stationary point number | Stationary point position 1 | Stationary point position 2 | |
| P1R1 | 0 | ||
| P1R2 | 1 | 0.645 | |
| P2R1 | 0 | ||
| P2R2 | 0 | ||
| P3R1 | 0 | ||
| P3R2 | 0 | ||
| P4R1 | 0 | ||
| P4R2 | 2 | 1.525 | 1.665 |
| P5R1 | 1 | 1.135 | |
| P5R2 | 2 | 0.395 | 0.815 |
| P6R1 | 1 | 2.615 | |
| P6R2 | 0 |
Figure 10, Figure 11 respectively illustrate shooting of light of the wavelength for 486nm, 588nm and 656nm Jing Guo the 3rd embodiment
Axial aberration and ratio chromatism, schematic diagram after optical lens 30.Figure 12 then shows that the light that wavelength is 588nm passes through the 3rd
The curvature of field and distortion schematic diagram after the camera optical camera lens 30 of embodiment.
Table 13 below lists the numerical value that each conditional is corresponded in present embodiment according to above-mentioned condition formula.Obviously, this reality
The imaging optical system for applying mode meets above-mentioned conditional.
In the present embodiment, the Entry pupil diameters of the camera optical camera lens are 2.093mm, and full filed image height is
3.928mm, the field angle of diagonal are 80.34 °, wide-angle, ultra-thin, and on its axis, the outer chromatic aberation of axis fully makes corrections, and have
Outstanding optical signature.
【Table 13】
It will be understood by those skilled in the art that the respective embodiments described above are to realize the specific embodiment party of the present invention
Formula, and in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit and model of the present invention
Enclose.
Claims (10)
1. a kind of camera optical camera lens, it is characterised in that the camera optical camera lens, sequentially includes from thing side to image side：First
Lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, and the 6th lens；Second lens have negative flexion
Power, the 3rd lens have positive refracting power；
The focal length of the camera optical camera lens is f, and the focal length of first lens is f1, and the refractive index of the 6th lens is
N6, thickness is d11 on the axis of the 6th lens, and the optics overall length of the camera optical camera lens is TTL, meets following relationship
Formula：
0.1≤f1/f≤10；
1.7≤n6≤2.2；
0.01≤d11/TTL≤0.2。
2. camera optical camera lens according to claim 1, it is characterised in that first lens have positive refracting power, its
Thing side in it is paraxial be convex surface, its image side surface in it is paraxial be concave surface；
The radius of curvature of the first lens thing side is R1, and the radius of curvature of the first lens image side surface is R2, Yi Jisuo
It is d1 to state thickness on the axis of the first lens, and meets following relationship：
-3.39≤(R1+R2)/(R1-R2)≤-1.07；
0.27≤d1≤0.90。
3. camera optical camera lens according to claim 1, it is characterised in that its thing side of second lens is in paraxial
Convex surface, its image side surface in it is paraxial be concave surface；
The focal length of the camera optical camera lens is f, and the focal length of second lens is f2, the curvature of the second lens thing side
Radius is R3, and the radius of curvature of the second lens image side surface is R4, and thickness is d3 on the axis of second lens, and under meeting
Row relational expression：
-4.57≤f2/f≤-1.45；
1.24≤(R3+R4)/(R3-R4)≤4.31；
0.15≤d3≤0.49。
4. camera optical camera lens according to claim 1, it is characterised in that its image side surface of the 3rd lens is in paraxial place
For convex surface；
The focal length of the camera optical camera lens is f, and the focal length of the 3rd lens is f3, the curvature of the 3rd lens thing side
Radius is R5, and the radius of curvature of the 3rd lens image side surface is R6, and thickness is d5 on the axis of the 3rd lens, and under satisfaction
Row relational expression：
1.30≤f3/f≤4.32；
0.12≤(R5+R6)/(R5-R6)≤1.64；
0.24≤d5≤0.97。
5. camera optical camera lens according to claim 1, it is characterised in that described its thing side of 4th lens is in paraxial
Concave surface, its image side surface in it is paraxial be convex surface；
The focal length of the camera optical camera lens is f, and the focal length of the 4th lens is f4, the curvature of the 4th lens thing side
Radius is R7, and the radius of curvature of the 4th lens image side surface is R8, and thickness is d7 on the axis of the 4th lens, and under satisfaction
Row relational expression：
-11.26≤f4/f≤8.82；
-9.45≤(R7+R8)/(R7-R8)≤9.13；
0.18≤d7≤0.98。
6. camera optical camera lens according to claim 1, it is characterised in that the 5th lens have positive refracting power, its
Thing side in it is paraxial be convex surface；
The focal length of the camera optical camera lens is f, and the focal length of the 5th lens is f5, the curvature of the 5th lens thing side
Radius is R9, and the radius of curvature of the 5th lens image side surface is R10, and thickness is d9 on the axis of the 5th lens, and is met
Following relationship：
0.55≤f5/f≤2.11；
-2.18≤(R9+R10)/(R9-R10)≤-0.59；
0.18≤d9≤0.66。
7. camera optical camera lens according to claim 1, it is characterised in that the 6th lens have negative refracting power, its
Thing side in it is paraxial be concave surface, its image side surface in it is paraxial be convex surface；
The focal length of the camera optical camera lens is f, and the focal length of the 6th lens is f6, the curvature of the 6th lens thing side
Radius is R11, and the radius of curvature of the 6th lens image side surface is R12, and thickness is d11 on the axis of the 6th lens, and full
Sufficient following relationship：
-1.15≤f6/f≤-0.34；
-4.16≤(R11+R12)/(R11-R12)≤-1.06；
0.14≤d11≤0.60。
8. camera optical camera lens according to claim 1, it is characterised in that the focal length of the camera optical camera lens is f, institute
The combined focal length for stating the first lens and second lens is f12, and meets following relationship：
0.61≤f12/f≤2.14。
9. camera optical camera lens according to claim 1, it is characterised in that the optics overall length of the camera optical camera lens
TTL is less than or equal to 5.72 millimeters.
10. camera optical camera lens according to claim 1, it is characterised in that the aperture F numbers of the camera optical camera lens are small
In or equal to 2.27.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711151223.8A CN107976780B (en) | 2017-11-18 | 2017-11-18 | Image pickup optical lens |
| JP2018000010A JP6374124B1 (en) | 2017-11-18 | 2018-01-02 | Imaging optical lens |
| US15/864,483 US10197774B1 (en) | 2017-11-18 | 2018-01-08 | Camera optical lens |
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|---|---|---|---|
| CN201711151223.8A CN107976780B (en) | 2017-11-18 | 2017-11-18 | Image pickup optical lens |
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| Publication Number | Publication Date |
|---|---|
| CN107976780A true CN107976780A (en) | 2018-05-01 |
| CN107976780B CN107976780B (en) | 2020-03-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11156803B2 (en) | 2018-09-26 | 2021-10-26 | Largan Precision Co., Ltd. | Imaging optical system, image capturing unit and electronic device |
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|---|---|---|---|---|
| JPS56133711A (en) * | 1980-03-24 | 1981-10-20 | Minolta Camera Co Ltd | Photographic lens of short overall length |
| US5349474A (en) * | 1992-01-13 | 1994-09-20 | Olympus Optical Co., Ltd. | Rear converter lens |
| JPH11223772A (en) * | 1998-02-05 | 1999-08-17 | Canon Inc | Zoom lens |
| CN102985865A (en) * | 2010-07-16 | 2013-03-20 | 柯尼卡美能达先进多层薄膜株式会社 | Image capture lens |
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2017
- 2017-11-18 CN CN201711151223.8A patent/CN107976780B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56133711A (en) * | 1980-03-24 | 1981-10-20 | Minolta Camera Co Ltd | Photographic lens of short overall length |
| US5349474A (en) * | 1992-01-13 | 1994-09-20 | Olympus Optical Co., Ltd. | Rear converter lens |
| JPH11223772A (en) * | 1998-02-05 | 1999-08-17 | Canon Inc | Zoom lens |
| CN102985865A (en) * | 2010-07-16 | 2013-03-20 | 柯尼卡美能达先进多层薄膜株式会社 | Image capture lens |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11156803B2 (en) | 2018-09-26 | 2021-10-26 | Largan Precision Co., Ltd. | Imaging optical system, image capturing unit and electronic device |
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