CN103399391A - Ten-million-pixel large-target-surface minitype pickup lens for day and night use - Google Patents
Ten-million-pixel large-target-surface minitype pickup lens for day and night use Download PDFInfo
- Publication number
- CN103399391A CN103399391A CN2013103757288A CN201310375728A CN103399391A CN 103399391 A CN103399391 A CN 103399391A CN 2013103757288 A CN2013103757288 A CN 2013103757288A CN 201310375728 A CN201310375728 A CN 201310375728A CN 103399391 A CN103399391 A CN 103399391A
- Authority
- CN
- China
- Prior art keywords
- lens
- group
- biconvex
- airspace
- day
- 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.)
- Granted
Links
Images
Abstract
The invention relates to a ten-million-pixel large-target-surface minitype pickup lens for day and night use. The optical system of the lens is provided with a front group A, a diaphragm C and a rear group B along the ray incidence direction from left to right, wherein the front group A is successively provided with a negative crescent lens A-1, a biconcave lens A-2, a planoconvex lens A-3 and a positive crescent lens A-4; the rear group B is successively provided with a gluing group tightly connected with a biconvex tens B-1 and a biconcave lens B-2, a biconvex lens B-3 and a biconvex lens B-4. The lens uses a remote distance reflecting structure with separated positive and negative focal power, the focal length fA of the front group A is -10.82mm and the focal length fB of the rear group B is 5.91mm; and after the two components are combined, the rear angle of the lens moves forward and the rear intercept of the lens l is greater than or equal to 1.6f. The lens has the advantages of low distortion, high resolution, water, dust and scraping prevention, day and night use and large target surface.
Description
Technical field
The present invention relates to a kind of ten million large target surface day and night of pixel micro pick-up lens.
Background technology
The appearance of micro television rig camera and the application history of existing 20 ~ 30 years, have the micro pick-up lens of varied specifications and models supporting with it.Their performance index are very different, and great majority belong to low grade products, and performance index are low, only adapt to the statuette face size common camera of 20 ~ 300,000 pixels, and the spectral range of adaptation is narrow, can only use under light condition in the daytime of 480nm ~ 700nm; The pattern distortion amount is large, and pattern distortion and the poor change of visions of reality picture are large, and authenticity is poor.
Summary of the invention
For the requirement of the high definition that adapts to miniature video camera and the fast development of on-vehicle lens, promote the image quality of miniature video camera system, enlarge the range of application of miniature camera system, reach the adaptive faculty of on-vehicle lens to rugged surroundings, namely the technical problem to be solved in the present invention is to provide a kind of ten million large target surface day and night of pixel micro pick-up lens for the miniature video camera system.
In order to solve the problems of the technologies described above, technical scheme of the present invention is: a kind of ten million large target surface day and night of pixel micro pick-up lens, in the optical system of described camera lens along light from left to right incident direction be respectively equipped with front group of A, diaphragm C and after organize B, described front group of A is provided with negative crescent moon lens A-1, biconcave lens A-2, plano-convex lens A-3 and positive crescent moon lens A-4 successively, and described rear group of B is provided with gummed group, biconvex lens B-3 and the biconvex lens B-4 that is connected airtight by biconvex lens B-1 and biconcave lens B-2 successively.
In further technical scheme, the airspace between described front group of A and rear group of B is 1.47mm.
In further technical scheme, negative crescent moon lens A-1 in described front group of A and the airspace between biconcave lens A-2 are 2.04mm, airspace between described biconcave lens A-2 and plano-convex lens A-3 is 0.81mm, and the airspace between described plano-convex lens A-3 and positive crescent moon lens A-4 is 0.18mm.
In further technical scheme, the gummed group in described rear group of B and the airspace between biconvex lens B-3 are 0.1mm, and the airspace between described biconvex lens B-3 and biconvex lens B-4 is 0.1mm.
In further technical scheme, the focal distance f of described front group of A
A=-10.82mm, the focal distance f of described rear group of B
B=5.91mm.
Compared with prior art, the present invention has following beneficial effect: the retrofocus type structure that (1) adopts positive negative power to separate, the focal distance f of front group of A
A=-10.82mm, the focal distance f of rear group of B
B=5.91mm, after two constituent element combinations, make rear leading role's reach of camera lens, the rear cut-off distance l of camera lens＞=1.6f.(2) four eyeglasses of the front group of this camera lens A are all selected the glass of high index of refraction, born very large focal power, make the oblique ray of wide-angle, after front group of A quick " convergence ", reduce with the slanted angle of optical axis, through after after group B refraction, the angle of chief ray and optical axis reduces, make camera lens realize good aberration correction, and make the uniform-illumination of image planes.(3) place biconvex lens B-1 in the diaphragm C back of camera lens, effectively utilize it and carry out the aberration of corrective lens, make the resolution of camera lens up to 1,000 ten thousand pixels, have the advantages such as low distortion, high resolving power, waterproof and dustproof, scratch resistant, day and night, large target surface.
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is the optical system schematic diagram of the embodiment of the present invention.
Fig. 2 is the physical construction schematic diagram of the embodiment of the present invention.
In figure: 1-bears crescent moon lens A-1,2-biconcave lens A-2,3-plano-convex lens A-3, the positive crescent moon lens of 4-A-4,5-biconvex lens B-1,6-biconcave lens B-2,7-biconvex lens B-3, trim ring before 8-biconvex lens B-4,9-, the 10-O-ring seal, the 11-CD spacer ring, 12-DE spacer ring, 13-FG spacer ring, the 14-GH spacer ring, the 15-body tube; Group before A-, A-1-bears the crescent moon lens, the A-2-biconcave lens, the A-3-plano-convex lens, the positive crescent moon lens of A-4-, organize after B-, B-1-biconvex lens, B-2-biconcave lens, B-3-biconvex lens, B-4-biconvex lens, C-diaphragm, D-image planes.
Embodiment
As shown in Figure 1, a kind of ten million large target surface day and night of pixel micro pick-up lens, described camera lens light path is anti-long distance optical texture, in the optical system of described camera lens along light from left to right incident direction be respectively equipped with front group of A, diaphragm C and after organize B, described front group of A is provided with negative crescent moon lens A-1, biconcave lens A-2, plano-convex lens A-3 and positive crescent moon lens A-4, the focal distance f of described front group of A successively
A=-10.82mm; Described rear group of B is provided with gummed group, biconvex lens B-3 and the biconvex lens B-4 that is connected airtight by biconvex lens B-1 and biconcave lens B-2, the focal distance f of described rear group of B successively
B=5.91mm.
In the present embodiment, the airspace between described front group of A and rear group of B is 1.47mm; Negative crescent moon lens A-1 in described front group of A and the airspace between biconcave lens A-2 are 2.04mm, airspace between described biconcave lens A-2 and plano-convex lens A-3 is 0.81mm, and the airspace between described plano-convex lens A-3 and positive crescent moon lens A-4 is 0.18mm; Gummed group in described rear group of B and the airspace between biconvex lens B-3 are 0.1mm, and the airspace between described biconvex lens B-3 and biconvex lens B-4 is 0.1mm.
When optical design, the wide spectral range of 480nm ~ 850nm is carried out aberration correction and balance, make camera lens all have good picture element at wide spectral range, realized that wide spectrum is confocal.Like this camera lens can not only photoenvironment in the daytime under blur-free imaging, under night utmost point low-light (level) environment, by infrared light filling, also can blur-free imaging.Before this camera lens, four eyeglasses of group A are all selected the optical glass material (for example H-FK61 material) of high refraction, low dispersion, by the computer optics Computer Aided Design with optimize various aberrations and the distortion proofreaied and correct optical lens, make camera lens realize high resolving power, low distortion, more meet the requirement of low distortion high definition video shooting, be applicable to the shooting of panorama machine.In addition, negative crescent moon lens A-1 convex surface is coated with the Buddha's warrior attendant film, has good scratch resistant effect.
In the present embodiment, the optical system that consists of above-mentioned lens set has reached following optical index: (1) focal length: f '=5.2mm; (2) relative aperture F=1.5; (3) field angle: 2w 〉=90 ° (image space 2 η ' 〉=Ф 8mm); (4) distortion:＜-3%; (5) resolution: can be adaptive with 1,000 ten thousand pixel high-resolution video cameras; (6) light path overall length ∑≤33mm, optics rear cut-off distance l ' 〉=8.5mm; (7) applicable spectral range: 480nm ~ 850nm.
As shown in Figure 2, physical construction of the present invention comprises body tube 15, negative crescent moon lens A-1, biconcave lens A-2, plano-convex lens A-3, positive crescent moon lens A-4, biconvex lens B-1, biconcave lens B-2, biconvex lens B-3 and biconvex lens B-4 are installed in described body tube 15, described body tube 15 left ends are equipped with the front trim ring 9 of pushing down negative crescent moon lens A-1, guarantee being mounted with property, the stability of whole eyeglasses; Be provided with O-ring seal 10 between described negative crescent moon lens A-1 right side and body tube 15, described O-ring seal 10 is compressed by front trim ring 9, guarantees waterproof and the dust reduction capability of body tube 15.Be provided with CD spacer ring 11 between described plano-convex lens A-3 and positive crescent moon lens A-4, be provided with DE spacer ring 12 between described positive crescent moon lens A-4 and biconvex lens B-1, be provided with FG spacer ring 13 between described biconcave lens B-2 and biconvex lens B-3, be provided with GH spacer ring 14 between described biconvex lens B-3 and biconvex lens B-4.
In the present embodiment, described body tube 15 is clamped one time machine-shaping, can guarantee well the positional precision of body tube 15, and to there is accurate verticality to guarantee the accuracy of eyeglass assembling adding the plane that the spacer ring of wanting strict guarantee eyeglass airspace man-hour contacts with eyeglass, body tube 15 endoporus internal diameter sizes are carried out strict size Control, make it coordinate the right alignment that closely reaches the eyeglass installation requirement and the consistance of lens light axis with eyeglass, and by the accurate processing to spacer ring, guarantee air distance between each eyeglass.
When Design of Mechanical Structure, both guaranteed camera lens concentricity, precision and axial location accurately, make again small and exquisite (the overall dimensions Ф 20mm * 24.4mm), can be applicable to the compacter occasion of structure of Design of Mechanical Structure compactness, such as small-sized ball machine etc., its applicable surface is wider.Wherein all constitutional details adopt NC super machining techniques, meet the strict demand of optical design to the air distance, make the compact conformation of camera lens, volume little, lightweight, guarantee the accuracy of its precision.
The foregoing is only preferred embodiment of the present invention, all equalizations of doing according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (5)
1. the large target surface day and night of pixel micro pick-up lens, it is characterized in that: in the optical system of described camera lens along light from left to right incident direction be respectively equipped with front group of A, diaphragm C and after organize B, described front group of A is provided with negative crescent moon lens A-1, biconcave lens A-2, plano-convex lens A-3 and positive crescent moon lens A-4 successively, and described rear group of B is provided with gummed group, biconvex lens B-3 and the biconvex lens B-4 that is connected airtight by biconvex lens B-1 and biconcave lens B-2 successively.
2. the ten million large target surface day and night of pixel micro pick-up lens according to claim 1 is characterized in that: the airspace between described front group of A and rear group of B is 1.47mm.
3. the ten million large target surface day and night of pixel micro pick-up lens according to claim 1 and 2, it is characterized in that: the negative crescent moon lens A-1 in described front group of A and the airspace between biconcave lens A-2 are 2.04mm, airspace between described biconcave lens A-2 and plano-convex lens A-3 is 0.81mm, and the airspace between described plano-convex lens A-3 and positive crescent moon lens A-4 is 0.18mm.
4. the ten million large target surface day and night of pixel micro pick-up lens according to claim 1 and 2, it is characterized in that: the gummed group in described rear group of B and the airspace between biconvex lens B-3 are 0.1mm, and the airspace between described biconvex lens B-3 and biconvex lens B-4 is 0.1mm.
5. the ten million large target surface day and night of pixel micro pick-up lens according to claim 1, is characterized in that: the focal distance f of described front group of A
A=-10.82mm, the focal distance f of described rear group of B
B=5.91mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310375728.8A CN103399391B (en) | 2013-08-27 | 2013-08-27 | Ten million pixel large target surface day and night micro pick-up lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310375728.8A CN103399391B (en) | 2013-08-27 | 2013-08-27 | Ten million pixel large target surface day and night micro pick-up lens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103399391A true CN103399391A (en) | 2013-11-20 |
| CN103399391B CN103399391B (en) | 2015-10-28 |
Family
ID=49563046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310375728.8A Active CN103399391B (en) | 2013-08-27 | 2013-08-27 | Ten million pixel large target surface day and night micro pick-up lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103399391B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104199174A (en) * | 2014-09-18 | 2014-12-10 | 福建福光数码科技有限公司 | Day and night confocal high-definition lens with large target area |
| CN106547073A (en) * | 2016-12-07 | 2017-03-29 | 福建福光股份有限公司 | The low distortion of Radix Rumiciss is without transconversion into heat camera lens |
| CN106772935A (en) * | 2016-12-07 | 2017-05-31 | 浙江大华技术股份有限公司 | A kind of lens combination and tight shot |
| CN110109231A (en) * | 2019-04-28 | 2019-08-09 | 华中科技大学 | A kind of numerical control automatic microwave imaging lens |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2177758A1 (en) * | 1995-06-02 | 1996-12-03 | Doug Anderson | Offset zoom lens for reflective light modulators |
| US20020176176A1 (en) * | 2001-04-02 | 2002-11-28 | Yoshikazu Shinohara | Image-capturing lens |
| US20040207929A1 (en) * | 2003-04-18 | 2004-10-21 | Ukyo Tomioka | Two-group zoom lens |
| CN201133963Y (en) * | 2007-12-25 | 2008-10-15 | 叶明华 | Day and night dual-purpose -type fixed focus lens possessing infrared night viewing function |
| CN202771095U (en) * | 2012-06-11 | 2013-03-06 | 苏州莱能士光电科技有限公司 | High-resolution undistorted day and night double-function type optical lens |
| CN203455537U (en) * | 2013-08-27 | 2014-02-26 | 福建福光数码科技有限公司 | Ten-million-pixel large-target-surface night and day miniature camera lens |
-
2013
- 2013-08-27 CN CN201310375728.8A patent/CN103399391B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2177758A1 (en) * | 1995-06-02 | 1996-12-03 | Doug Anderson | Offset zoom lens for reflective light modulators |
| US20020176176A1 (en) * | 2001-04-02 | 2002-11-28 | Yoshikazu Shinohara | Image-capturing lens |
| US20040207929A1 (en) * | 2003-04-18 | 2004-10-21 | Ukyo Tomioka | Two-group zoom lens |
| CN201133963Y (en) * | 2007-12-25 | 2008-10-15 | 叶明华 | Day and night dual-purpose -type fixed focus lens possessing infrared night viewing function |
| CN202771095U (en) * | 2012-06-11 | 2013-03-06 | 苏州莱能士光电科技有限公司 | High-resolution undistorted day and night double-function type optical lens |
| CN203455537U (en) * | 2013-08-27 | 2014-02-26 | 福建福光数码科技有限公司 | Ten-million-pixel large-target-surface night and day miniature camera lens |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104199174A (en) * | 2014-09-18 | 2014-12-10 | 福建福光数码科技有限公司 | Day and night confocal high-definition lens with large target area |
| CN104199174B (en) * | 2014-09-18 | 2016-06-15 | 福建福光股份有限公司 | Day and night confocal big target surface high definition camera lens |
| CN106547073A (en) * | 2016-12-07 | 2017-03-29 | 福建福光股份有限公司 | The low distortion of Radix Rumiciss is without transconversion into heat camera lens |
| CN106772935A (en) * | 2016-12-07 | 2017-05-31 | 浙江大华技术股份有限公司 | A kind of lens combination and tight shot |
| CN106547073B (en) * | 2016-12-07 | 2018-12-25 | 福建福光股份有限公司 | The low distortion of wide-angle is without thermalization camera lens |
| CN110109231A (en) * | 2019-04-28 | 2019-08-09 | 华中科技大学 | A kind of numerical control automatic microwave imaging lens |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103399391B (en) | 2015-10-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104155741B (en) | High resolution day and night tight shot | |
| CN103439782B (en) | 2.8 focus bugeye lens | |
| CN103913818B (en) | The low distortion micro pick-up lens of Large visual angle | |
| CN104350409A (en) | Zoom lens and imaging device | |
| CN104330873B (en) | High resolution day and night fish eye lens | |
| CN103399391B (en) | Ten million pixel large target surface day and night micro pick-up lens | |
| CN103984077B (en) | High resolution day and night tight shot | |
| CN203455537U (en) | Ten-million-pixel large-target-surface night and day miniature camera lens | |
| CN103389562B (en) | 5 mega-pixel micro camera lens with large target surface | |
| CN204556943U (en) | High resolving power, low distortion day and night tight shot | |
| CN102279458B (en) | Ultra wide-angle high-resolution day and night dual-purpose mini-type pick-up lens | |
| CN203870318U (en) | High-resolution day-night prime lens | |
| CN203759343U (en) | Small-target-surface high-resolution ultra-wide-angle fish-eye lens | |
| CN104181674A (en) | High-resolution fine adjustment day and night prime lens | |
| CN204009196U (en) | Economical high resolution day and night tight shot | |
| CN104090349B (en) | High resolution day and night CS interface tight shot | |
| CN103823291B (en) | Little target surface high resolving power ultra-wide angle fish eye lens | |
| CN203825276U (en) | Large-viewing-field low-distortion micro camera lens | |
| CN204496091U (en) | The economic money micro-lens of high resolution day and night | |
| CN203422519U (en) | Ultra-wide-angle 2.8 primary lens | |
| CN204287582U (en) | Large target surface high-resolution focuses CS monitoring camera | |
| CN105116512B (en) | The economical tight shot of M12 interfaces | |
| CN203950066U (en) | High resolution day and night CS interface tight shot | |
| CN204989590U (en) | Economical tight shot of M12 interface | |
| CN104459959A (en) | High-resolution 3.6-mm fixed-focus miniature lens |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 158 No. 350015 Fujian province Fuzhou Mawei District Jiangbin East Avenue Applicant after: FUJIAN FORECAM CO., LTD. Address before: 158 No. 350015 Fujian province Fuzhou Mawei District Jiangbin East Avenue Applicant before: Fujian Forecam Optics Co., Ltd. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: FUJIAN FORECAM DIGITAL TECHNOLOGY CO., LTD. TO: FUJIAN FORECAM CO., LTD. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |