CN204287577U - The synchronous focusing camera camera lens of high resolving power - Google Patents
The synchronous focusing camera camera lens of high resolving power Download PDFInfo
- Publication number
- CN204287577U CN204287577U CN201420800667.5U CN201420800667U CN204287577U CN 204287577 U CN204287577 U CN 204287577U CN 201420800667 U CN201420800667 U CN 201420800667U CN 204287577 U CN204287577 U CN 204287577U
- Authority
- CN
- China
- Prior art keywords
- lens
- group
- airspace
- biconvex lens
- cam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Landscapes
- Lenses (AREA)
Abstract
The utility model relates to the synchronous focusing camera camera lens of a kind of high resolving power, it is characterized in that: comprise body tube (8), being located in body tube (8) body can synchronization-moving front cam (2) and rear cam (9), be respectively equipped with front arrangement of mirrors cylinder (3) and rear microscope base (12) in institute's front cam (2) and rear cam (9) body, in described front arrangement of mirrors cylinder (3) body, be provided with front microscope base (4); In the optical system of described camera lens along light from left to right incident direction arrange respectively focal power be negative before organize A, focal power is rear group of positive B and iris C, the utility model high resolving power synchronous focusing camera lens construction is simple, reasonable in design, is conducive to structurally realizing automatic focus.
Description
Technical field
The utility model relates to the synchronous focusing camera camera lens of a kind of high resolving power.
Background technology
Along with popularizing on a large scale of monitoring intelligent, the requirement of market to auto-focus function product is more and more higher, more and more higher to the research and development technology level requirement of security protection industry, and research and development, production cost increase especially further.But also there is no the synchronous focusing camera camera lens of high resolving power that a applicable security protection industry uses at present.
Summary of the invention
The purpose of this utility model is to provide a kind of high resolving power synchronous focusing camera camera lens, and this high resolving power synchronous focusing camera lens construction is simple, reasonable in design, is conducive to structurally realizing automatic focus.
The synchronous focusing camera camera lens of the utility model high resolving power, it is characterized in that: comprise body tube (8), being located in body tube (8) body can synchronization-moving front cam (2) and rear cam (9), be respectively equipped with front arrangement of mirrors cylinder (3) and rear microscope base (12) in institute's front cam (2) and rear cam (9) body, in described front arrangement of mirrors cylinder (3) body, be provided with front microscope base (4); In the optical system of described camera lens along light from left to right incident direction arrange respectively focal power be negative before organize A, focal power is rear group of positive B and iris C, before described group A by bear selenodont lens A-1, biconcave lens A-2 and biconvex lens A-3 touch before gummed group form, described rear group of B is glued together by biconvex lens B-1, negative selenodont lens B-2, biconvex lens B-3 and biconcave lens B-4 and forms rear gummed group, biconvex lens B-5, biconvex lens B-6; Front group of A is located in front microscope base (4) body, and rear group of B is located in rear microscope base (12) body.
Further, airspace between above-mentioned front group of A and rear group of B is: 20.653 ~ 2.3mm, in described front group, negative airspace between selenodont lens A-1 and front gummed group is: 3.354mm, before described, in group A, front airspace between gummed group and light hurdle C is: 12.045 ~ 1.88mm, airspace in described rear group of B between light hurdle C and biconvex lens B-1 is: 6.959 ~ 0.42mm, airspace between biconvex lens B-1 and negative selenodont lens B-2 is 1.010mm, negative airspace between selenodont lens B-2 and rear gummed group is: 0.925mm, airspace between rear gummed group and biconvex lens B-5 is: 1.632mm, airspace between biconvex lens B-5 and biconvex lens B-6 group is: 0.342mm.
Further, above-mentioned lens focus: f '=2.8-12mm, relative aperture: D/f '=1/1.4, field angle: 30-90 °, resolution: 3,000,000 pixels, light path overall length: 50.7mm, is suitable for spectral line scope: 400nm ~ 700nm, day and night confocal.
Advantage of the present utility model:
1. the reasonable distribution focal power of front group and rear group in optical texture of the present utility model.In rear group, the 3rd of three-chip type structure the eyeglass is changed into cemented doublet group, make camera lens reach the short performance index of object lens of large relative aperture, wide-angle, structure length.
2., by the optical glass material of reasonable selection forward and backward two groups 9 seven groups, select the optical glass material of high index of refraction, low dispersion as far as possible.By area of computer aided optical design and optimization, correct the various aberrations of optical lens perfectly, make the mtf value of camera lens make the resolution of camera lens high at 200lp/mm., the requirement of 3,000,000 pixel high definition video shootings can be adapted to.
3. the field angle of this camera lens is larger.Relative to old structure, field angle has had better optimization.Asterism figure is also more satisfactory, and all within 3.5 um, energy comparison is concentrated, and reaches high-resolution requirement.
4. this camera lens is by design optimization, and close-shot is apart from reaching 0.3m.Can realize blur-free imaging in nearer object distance relative to common zoom lens, this is also a large advantage of time product.
accompanying drawing illustrates:
Fig. 1 is index path of the present utility model;
Fig. 2 is machine drawing of the present utility model;
Wherein 1, fixed aperture, 2, front cam, 3, front arrangement of mirrors cylinder, 4, front microscope base, 5, negative selenodont lens A-1,6, biconcave lens A-2,7, biconvex lens A-3,8, body tube, 9, rear cam, 11, reducer casing, 12, rear microscope base, 13, spacer ring, 14, biconvex lens B-6,15, biconvex lens B-5,16, biconcave lens B-4,17, biconvex lens B-3,18, negative selenodont lens B-2,19, biconvex lens B-1,20, outer cover.
embodiment:
The synchronous focusing camera camera lens of the utility model high resolving power, it is characterized in that: comprise body tube (8), being located in body tube (8) body can synchronization-moving front cam (2) and rear cam (9), be respectively equipped with front arrangement of mirrors cylinder (3) and rear microscope base (12) in institute's front cam (2) and rear cam (9) body, in described front arrangement of mirrors cylinder (3) body, be provided with front microscope base (4); In the optical system of described camera lens along light from left to right incident direction arrange respectively focal power be negative before organize A, focal power is rear group of positive B and iris C, before described group A by bear selenodont lens A-1, biconcave lens A-2 and biconvex lens A-3 touch before gummed group form, described rear group of B is glued together by biconvex lens B-1, negative selenodont lens B-2, biconvex lens B-3 and biconcave lens B-4 and forms rear gummed group, biconvex lens B-5, biconvex lens B-6; Front group of A is located in front microscope base (4) body, and rear group of B is located in rear microscope base (12) body.The prototype of three-chip type structure changes the 3rd eyeglass as cemented doublet group into, to share the focal power of rear group, improves the relative aperture of camera lens.Utilizing the refractive index of the positive and negative eyeglass of gummed group and the difference of dispersion, the aberration of corrective lens, make resolution of lens up to 3,000,000,1/3 " horizontal market angle reaches 90 °, distortion 14%.
Further, airspace between above-mentioned front group of A and rear group of B is: 20.653 ~ 2.3mm, in described front group, negative airspace between selenodont lens A-1 and front gummed group is: 3.354mm, before described, in group A, front airspace between gummed group and light hurdle C is: 12.045 ~ 1.88mm, airspace in described rear group of B between light hurdle C and biconvex lens B-1 is: 6.959 ~ 0.42mm, airspace between biconvex lens B-1 and negative selenodont lens B-2 is 1.010mm, negative airspace between selenodont lens B-2 and rear gummed group is: 0.925mm, airspace between rear gummed group and biconvex lens B-5 is: 1.632mm, airspace between biconvex lens B-5 and biconvex lens B-6 group is: 0.342mm.
Further, above-mentioned lens focus: f '=2.8-12mm, relative aperture: D/f '=1/1.4, field angle: 30-90 °, resolution: 3,000,000 pixels, light path overall length: 50.7mm, is suitable for spectral line scope: 400nm ~ 700nm, day and night confocal.
Design of Mechanical Structure of the present invention as shown in Figure 2, adopt the plastic cement structural member that high-precision mold is shaping, wherein front arrangement of mirrors seat (4) organizes three eyeglasses (A-1, A-2, A-3) before being equipped with, rear arrangement of mirrors seat (12) is equipped with the spacer ring between 6 (B-1, B-2, B-3, B-4, B-5, B-6) and B-5 and B-6, by high-precision structural member, ensure the coaxial and clearance between eyeglass, utilize stability heat-flash process of smelting to ensure Assembly stability.
Body tube (8), front cam (2), rear cam (9) jointly forms stable high precision and coordinates, forward and backward cam structure with guide groove, by the connection action of forward and backward cam, ensure that front group, rear group is moved according to designed distance, realizes synchronous focus function.
For increasing structural stability, outer cover (20) is set up in cam outside, and before and after being driven by reducer casing (11), cam rotates and carries out long-range zoom, realizes synchronously focusing.
Outer cover (20) is with standard Φ 14 interface, by regulating dress seat height, burnt after facilitating client's regulating flange, perfect docking institute organic type.
Fixed aperture (1) according to client's needs, can be replaced by the apolegamy such as auto iris, infrared switch upgrading part, realizes the range of application that product is larger, give client's diversity and select.
Advantage of the present utility model:
1. the reasonable distribution focal power of front group and rear group in optical texture of the present utility model.In rear group, the 3rd of three-chip type structure the eyeglass is changed into cemented doublet group, make camera lens reach the short performance index of object lens of large relative aperture, wide-angle, structure length.
2., by the optical glass material of reasonable selection forward and backward two groups 9 seven groups, select the optical glass material of high index of refraction, low dispersion as far as possible.By area of computer aided optical design and optimization, correct the various aberrations of optical lens perfectly, make the mtf value of camera lens make the resolution of camera lens high at 200lp/mm., the requirement of 3,000,000 pixel high definition video shootings can be adapted to.
3. the field angle of this camera lens is larger.Relative to old structure, field angle has had better optimization.Asterism figure is also more satisfactory, and all within 3.5 um, energy comparison is concentrated, and reaches high-resolution requirement.
4. this camera lens is by design optimization, and close-shot is apart from reaching 0.3m.Can realize blur-free imaging in nearer object distance relative to common zoom lens, this is also a large advantage of time product.
The foregoing is only preferred embodiment of the present utility model, all equalizations done according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.
Claims (3)
1. the synchronous focusing camera camera lens of high resolving power, it is characterized in that: comprise body tube (8), being located in body tube (8) body can synchronization-moving front cam (2) and rear cam (9), be respectively equipped with front arrangement of mirrors cylinder (3) and rear microscope base (12) in described front cam (2) and rear cam (9) body, in described front arrangement of mirrors cylinder (3) body, be provided with front microscope base (4); In the optical system of described camera lens along light from left to right incident direction arrange respectively focal power be negative before organize A, focal power is rear group of positive B and iris C, before described group A by bear selenodont lens A-1, biconcave lens A-2 and biconvex lens A-3 touch before gummed group form, described rear group of B is glued together by biconvex lens B-1, negative selenodont lens B-2, biconvex lens B-3 and biconcave lens B-4 and forms rear gummed group, biconvex lens B-5, biconvex lens B-6; Front group of A is located in front microscope base (4) body, and rear group of B is located in rear microscope base (12) body.
2. according to the synchronous focusing camera camera lens of the high resolving power described in claim 1, it is characterized in that: the airspace between described front group of A and rear group of B is: 20.653 ~ 2.3mm, in described front group, negative airspace between selenodont lens A-1 and front gummed group is: 3.354mm, before described, in group A, front airspace between gummed group and light hurdle C is: 12.045 ~ 1.88mm, airspace in described rear group of B between light hurdle C and biconvex lens B-1 is: 6.959 ~ 0.42mm, airspace between biconvex lens B-1 and negative selenodont lens B-2 is 1.010mm, negative airspace between selenodont lens B-2 and rear gummed group is: 0.925mm, airspace between rear gummed group and biconvex lens B-5 is: 1.632mm, airspace between biconvex lens B-5 and biconvex lens B-6 group is: 0.342mm.
3. according to the synchronous focusing camera camera lens of the high resolving power described in claim 1, it is characterized in that: described lens focus: f '=2.8-12mm, relative aperture: D/f '=1/1.4, field angle: 30-90 °, resolution: 3,000,000 pixels, light path overall length: 50.7mm, is suitable for spectral line scope: 400nm ~ 700nm, day and night confocal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420800667.5U CN204287577U (en) | 2014-12-18 | 2014-12-18 | The synchronous focusing camera camera lens of high resolving power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420800667.5U CN204287577U (en) | 2014-12-18 | 2014-12-18 | The synchronous focusing camera camera lens of high resolving power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204287577U true CN204287577U (en) | 2015-04-22 |
Family
ID=52870725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420800667.5U Withdrawn - After Issue CN204287577U (en) | 2014-12-18 | 2014-12-18 | The synchronous focusing camera camera lens of high resolving power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204287577U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104459931A (en) * | 2014-12-18 | 2015-03-25 | 福建福光数码科技有限公司 | High-resolution synchronous-focusing camera lens and control method thereof |
| CN106772962A (en) * | 2016-12-28 | 2017-05-31 | 中国科学院长春光学精密机械与物理研究所 | A kind of active optics Hartmann focusing lens |
-
2014
- 2014-12-18 CN CN201420800667.5U patent/CN204287577U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104459931A (en) * | 2014-12-18 | 2015-03-25 | 福建福光数码科技有限公司 | High-resolution synchronous-focusing camera lens and control method thereof |
| CN104459931B (en) * | 2014-12-18 | 2017-03-08 | 福建福光股份有限公司 | High-resolution synchronization focusing camera camera lens and its control method |
| CN106772962A (en) * | 2016-12-28 | 2017-05-31 | 中国科学院长春光学精密机械与物理研究所 | A kind of active optics Hartmann focusing lens |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104459963B (en) | High-resolution manual zoom camera lens and control method thereof | |
| CN103913818B (en) | The low distortion micro pick-up lens of Large visual angle | |
| CN103823295B (en) | Power zoom zoom day and night pick-up lens | |
| CN104459931B (en) | High-resolution synchronization focusing camera camera lens and its control method | |
| CN204287577U (en) | The synchronous focusing camera camera lens of high resolving power | |
| CN103116210B (en) | Power zoom, Power focus plastic cement three mega pixel day and night lens | |
| CN103399391B (en) | Ten million pixel large target surface day and night micro pick-up lens | |
| CN204287593U (en) | High resolving power manual zoom pick-up lens | |
| CN204496091U (en) | The economic money micro-lens of high resolution day and night | |
| CN105242385A (en) | Glass aspheric day and night optical zoom lens with low zoom ratio | |
| CN104459962A (en) | Power 2.8-12 zoom and power focus monitoring lens and control method thereof | |
| CN103809275B (en) | Aspheric surface infrared night vision zooming camera lens | |
| CN204556943U (en) | High resolving power, low distortion day and night tight shot | |
| CN104181674B (en) | High-resolution fine setting day and night tight shot | |
| CN203759340U (en) | High-precision plastic high-definition lens | |
| CN204832642U (en) | Big dual -purpose camera lens of target surface high resolution day night | |
| CN204855919U (en) | Big miniature mould camera lens of visual field linear deformation | |
| CN204287579U (en) | Power zoom, focusing 7-22 zoom monitoring camera | |
| CN103389565B (en) | Low-distortion and high-resolution infrared miniature lens | |
| CN204229040U (en) | Large target surface high-precision mold high definition zoom monitoring camera | |
| CN103809269B (en) | High accuracy plastic cement high definition camera lens | |
| CN203825282U (en) | Aspherical infrared night vision zoom pick-up lens | |
| CN104678535A (en) | High-resolution day and night dual-purpose economic miniature lens | |
| CN104459959A (en) | High-resolution 3.6-mm fixed-focus miniature lens | |
| CN203178550U (en) | Electric-zooming and electric-focusing whole plastic 3 megapixel day and night lens |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: FUJIAN FORECAM CO., LTD. Free format text: FORMER NAME: FUJIAN FORECAM DIGITAL TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 158 No. 350015 Fujian province Fuzhou Mawei District Jiangbin East Avenue Patentee after: FUJIAN FORECAM CO., LTD. Address before: 158 No. 350015 Fujian province Fuzhou Mawei District Jiangbin East Avenue Patentee before: Fujian Forecam Optics Co., Ltd. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150422 Effective date of abandoning: 20171114 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150422 Effective date of abandoning: 20171114 |