CN110456480B - Miniaturized high-pixel panoramic day-night confocal optical system - Google Patents
Miniaturized high-pixel panoramic day-night confocal optical system Download PDFInfo
- Publication number
- CN110456480B CN110456480B CN201910712878.0A CN201910712878A CN110456480B CN 110456480 B CN110456480 B CN 110456480B CN 201910712878 A CN201910712878 A CN 201910712878A CN 110456480 B CN110456480 B CN 110456480B
- Authority
- CN
- China
- Prior art keywords
- lens
- optical system
- phi
- optical
- power
- 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.)
- Active
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 116
- 229910052746 lanthanum Inorganic materials 0.000 claims description 8
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 7
- 239000005308 flint glass Substances 0.000 claims description 6
- 230000005499 meniscus Effects 0.000 claims description 6
- 239000005331 crown glasses (windows) Substances 0.000 claims description 3
- 238000003384 imaging method Methods 0.000 abstract description 10
- 238000013461 design Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 description 10
- 230000004075 alteration Effects 0.000 description 9
- 238000001228 spectrum Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- 238000001429 visible spectrum Methods 0.000 description 4
- 238000012937 correction Methods 0.000 description 3
- 201000009310 astigmatism Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000002329 infrared spectrum Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 206010010071 Coma Diseases 0.000 description 1
- 238000000701 chemical imaging Methods 0.000 description 1
- 238000010226 confocal imaging Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000004297 night vision Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
Classifications
-
- 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
- G02B13/005—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having spherical lenses only
-
- 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
- G02B13/0055—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element
- G02B13/006—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element at least one element being a compound optical element, e.g. cemented elements
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Abstract
The invention discloses a miniaturized high-pixel panoramic day-night confocal optical system, which comprises a front lens group, a diaphragm, a rear lens group and an image surface, wherein the front lens group, the diaphragm, the rear lens group and the image surface are sequentially arranged from front to back along the light incidence direction, the front lens group comprises a first lens, a second lens and a third lens which are sequentially arranged from front to back, and the rear lens group comprises a fourth lens, a fifth lens, a sixth lens and a seventh lens which are sequentially arranged from front to back. The invention adopts the drum-shaped thick lens at the front end of the diaphragm to realize compact design of the light path, the length of an optical system is only 20.439mm, the miniaturization requirement of a high-resolution panoramic camera is met, high-resolution and high-resolution imaging is realized, the focal power distribution is reasonable, the process realizability is good, and the mass production and assembly are easy to realize.
Description
Technical Field
The invention relates to the technical field of optical systems, in particular to a miniaturized high-pixel panoramic day-night confocal optical system.
Background
The panoramic optical system can acquire scenery images without dead angles due to the ultra-large imaging field of view exceeding 360 degrees by 180 degrees, which is not realized by a common optical system or lens. Therefore, the panoramic optical system is widely applied in the fields of security protection, monitoring, AR/VR and the like. The panoramic optical system pursues performance indexes of ultra-large view field, large relative aperture and high resolution, and the existing optical system suitable for the high-resolution panoramic camera has the defects of complex structure, large size and the like.
Disclosure of Invention
The invention provides a miniaturized high-pixel panoramic day-night confocal optical system, which has the advantages of less number of lenses, high imaging resolution, compact structure and short optical system length, and is beneficial to improving the application level of the panoramic camera optical system.
The invention solves the technical problems as follows:
the miniaturized high-pixel panoramic day-night confocal optical system comprises a front lens group, a diaphragm, a rear lens group and an image surface, wherein the front lens group, the diaphragm, the rear lens group and the image surface are sequentially arranged from front to back along the light incidence direction, the front lens group comprises a first lens, a second lens and a third lens which are sequentially arranged from front to back, and the rear lens group comprises a fourth lens, a fifth lens, a sixth lens and a seventh lens which are sequentially arranged from front to back;
The first lens is a meniscus lens with negative focal power, the fourth lens and the sixth lens are biconvex lenses with positive focal power, the second lens and the fifth lens are biconcave lenses with negative focal power, and the seventh lens is a meniscus lens with positive focal power; the third lens is a drum-type thick lens with positive focal power, and the fourth lens and the fifth lens form a double-cemented lens.
As a further improvement of the above technical solution, the focal power of the front lens group isThe optical power of the optical system is/>Wherein/>And/>The ratio of (2) is as follows:
as a further improvement of the above technical solution, the optical power of the rear lens group is The optical power of the optical system is/>Wherein/>And/>The ratio of (2) is as follows:
as a further improvement of the above technical solution, the third lens has an optical power of The optical power of the optical system is/>Wherein/>And/>The ratio of (2) is as follows:
As a further improvement of the above technical solution, an optical surface of the third lens close to the aperture is a first optical surface, an optical surface of the fourth lens close to the aperture is a second optical surface, a height value of an on-axis view field edge ray of the optical system on the first optical surface is h1, and a height value of an off-axis view field edge ray on the second optical surface is h2, wherein h2/h1 satisfies:
1.04≤h1/h2≤1.16。
As a further improvement of the above technical solution, the distance between the diaphragm and the center of the third lens is L1, and the distance between the diaphragm and the center of the fourth lens is L2, where the ratio of L1/L2 satisfies:
3.15≤L1/L2≤3.75。
As a further improvement of the above technical solution, the optical power of the first lens is
The focal power of the second lens is/>The combined focal power of the fourth lens and the fifth lens isThe focal power of the sixth lens is/>The focal power of the seventh lens is/>Wherein/>And/>The method meets the following conditions:
As a further improvement of the technical scheme, the first lens and the sixth lens are made of lanthanum flint glass, the second lens and the fourth lens are made of lanthanum crown glass, the third lens and the fifth lens are made of lanthanum flint glass, and the seventh lens is made of corona glass.
As a further improvement of the above technical solution, the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens and the seventh lens are all spherical glass lenses.
As a further improvement of the above technical solution, an optical filter is disposed between the seventh lens and the image plane.
The beneficial effects of the invention are as follows: the invention adopts the drum-shaped thick lens at the front end of the diaphragm to realize compact design of the light path, the length of an optical system is only 20.439mm, the miniaturization requirement of a high-resolution panoramic camera is met, high-resolution and high-resolution imaging is realized, the focal power distribution is reasonable, the process realizability is good, and the mass production and assembly are easy to realize.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is evident that the drawings described are only some embodiments of the invention, but not all embodiments, and that other designs and drawings can be obtained from these drawings by a person skilled in the art without inventive effort.
FIG. 1 is a schematic view of an optical system structure in an embodiment;
FIG. 2 is an optical transfer function curve of the visible spectrum segment of the optical system in an embodiment;
FIG. 3 is a plot of the optical transfer function of the night vision 850nm band of the optical system of the example;
Fig. 4 is a vertical chromatic aberration curve of the optical system in the embodiment.
Detailed Description
The conception, specific structure, and technical effects produced by the present invention will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, features, and effects of the present invention. It is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and that other embodiments obtained by those skilled in the art without inventive effort are within the scope of the present invention based on the embodiments of the present invention. In addition, all connection relationships mentioned herein do not refer to direct connection of the components, but rather, refer to a connection structure that may be better formed by adding or subtracting connection aids depending on the particular implementation. The technical features in the invention can be interactively combined on the premise of no contradiction and conflict.
Embodiment 1, referring to fig. 1, a miniaturized high-pixel panorama day-night confocal optical system comprises a front lens group 120, a diaphragm 110, a rear lens group 130 and an image plane 800 which are sequentially arranged from front to back along a light incidence direction, wherein the front lens group 120 comprises a first lens 100, a second lens 200 and a third lens 300 which are sequentially arranged from front to back, and the rear lens group 130 comprises a fourth lens 400, a fifth lens 500, a sixth lens 600 and a seventh lens 700 which are sequentially arranged from front to back;
The first lens 100 is a meniscus lens with negative focal power, the fourth lens 400 and the sixth lens 600 are biconvex lenses with positive focal power, the second lens 200 and the fifth lens 500 are biconcave lenses with negative focal power, and the seventh lens 700 is a meniscus lens with positive focal power; the third lens 300 is a drum-type thick lens with positive optical power, and the fourth lens 400 and the fifth lens 500 form a cemented doublet.
The third lens 300 is a drum type positive power thick lens, which is a special form of a biconvex lens. The diaphragm 110 is an aperture diaphragm.
The optical system adopts a reverse-distance optical structure, because the imaging view field reaches more than 220 ℃, in order to reduce view field aberration such as astigmatism and distortion caused by an oversized view field, the front lens group 120 adopts two lenses with negative focal power at the forefront end, and a larger inverse value of the magnification of the principal ray is obtained, so that the pressure of correcting the aberration of the rear group is reduced.
The invention mainly considers that the compact design of the optical system is carried out on the premise of realizing high image quality, and corresponding innovative design and reasonable aberration correction are carried out; when the optical system length is shortened, various aberrations such as spherical aberration, coma, astigmatism, and distortion are rapidly increased due to an increase in optical power of each group of lenses, resulting in a decrease in image quality of the optical system. In order to realize compact design of the panoramic optical system, the third lens 300 which is a drum-type positive focal power thick lens is introduced into the front lens group 120; due to the adoption of the drum-shaped thick lens, the height of the light reaching the rear lens group 130 is effectively reduced, the larger convergence effect is provided for the light, the height of the emergent light is further reduced, the aberration correction pressure of the rear lens group 130 is greatly reduced, and therefore the size of an optical system is shortened, and meanwhile, high imaging quality is obtained.
The invention adopts the drum-shaped thick lens at the front end of the diaphragm 110 to realize compact design of the light path, the length of an optical system is only 20.439mm, the miniaturization requirement of a high-resolution panoramic camera is met, high-resolution and high-resolution imaging is realized, the focal power distribution is reasonable, the process realizability is good, and the mass production and assembly are easy to realize.
As a further improvement of the above technical solution, the optical power of the front lens group 120 isThe optical power of the optical system is/>Wherein/>And/>The ratio of (2) is as follows:
As a preferred embodiment, the optical power of the rear lens group 130 is The optical power of the optical system is/>Wherein/>And/>The ratio of (2) is as follows:
As a preferred embodiment, the third lens 300 has an optical power of The optical power of the optical system is/>Wherein/>And/>The ratio of (2) is as follows:
As a preferred embodiment, the optical surface of the third lens 300 near the aperture 110 is a first optical surface, the optical surface of the fourth lens 400 near the aperture 110 is a second optical surface, the height value of the on-axis field edge ray of the optical system on the first optical surface is h1, and the height value of the off-axis field edge ray on the second optical surface is h2, where h2/h1 satisfies:
1.04≤h1/h2≤1.16。
As a preferred embodiment, the distance between the diaphragm 110 and the center of the third lens 300 is L1, and the distance between the diaphragm 110 and the center of the fourth lens 400 is L2, wherein the ratio of L1/L2 satisfies:
3.15≤L1/L2≤3.75。
As a preferred embodiment, the first lens 100 has an optical power of The second lens 200 has an optical power/>The fourth lens 400 and the fifth lens 500 have a combined optical power of/>The sixth lens 600 has an optical power of/>The seventh lens 700 has an optical power of/>Wherein/>And/>The method meets the following conditions:
In order to meet the application requirements of day-night confocal, the axial chromatic aberration and the vertical chromatic aberration of the system are corrected by adopting a double-cemented lens with optical power close to zero, and the near infrared spectrum of 850nm and the visible spectrum are subjected to confocal correction, so that the day-night confocal is realized.
In a preferred embodiment, the first lens 100 and the sixth lens 600 are made of lanthanum flint glass, the second lens 200 and the fourth lens 400 are made of lanthanum crown glass, the third lens 300 and the fifth lens 500 are made of lanthanum flint glass, and the seventh lens 700 is made of corona glass.
As a preferred embodiment, the first, second and third lenses 100, 200 and 300, the fourth, fifth, sixth and seventh lenses 400, 500, 600 and 700 are all spherical glass lenses.
All lenses of the optical system adopt spherical glass lenses, so that the optical system is easy to process and low in cost.
In a preferred embodiment, a filter 900 is disposed between the seventh lens 700 and the image plane 800.
The optical filter 900 is used for realizing spectral imaging in a specific range, and avoiding the entering of spectrums with other wavelengths, thereby affecting the imaging quality.
The optical system of this embodiment has specific parameters:
Focal length 1.41mm; the relative aperture D/f is 1/2.2; the angle of view is 220 °; the total length of the optical system 20.439mm and the rear working distance (the distance from the seventh lens 700 to the image plane 800) is 3.165mm.
In the embodiment of the present invention, as shown in fig. 2 and 3, the difference between the focal plane positions of the visible spectrum and the near infrared spectrum is small, so that the imaging quality of the two spectrums can be simultaneously satisfied on the same image plane 800; the average transfer function value of the full field of view is better than 0.5 at 180lp/mm in the visible spectrum segment, and is close to 0.30 at 360 lp/mm; the near infrared 850nm spectrum has a full field average transfer function value of better than 0.42 at 180lp/mm and better than 0.12 at 360 lp/mm. High resolution image quality in different spectral bands is guaranteed, and day and night confocal imaging is realized.
In the embodiment of the invention, considering that the illumination condition of the panoramic camera application environment is complex, if the optical system does not well correct the purple fringing, the purple fringing effect is easy to appear when the scenery is imaged, and the complex light interference which influences the definition of the bright-dark scenery junction of the image is formed. In the embodiment of the invention, the purple fringing of 435nm is well corrected, and as shown in fig. 4, the spectrum of 435nm and the spectrum of 656nm are in an overlapped state within the full view field range, the phenomenon that 435nm is far away from other spectrums does not occur, and the purple fringing effect is well avoided.
The optical system adopts the drum-shaped thick lens at the front end of the diaphragm 110 to realize compact design of the light path, and the length of the optical system is only 20.439mm, so that the miniaturization requirement of the high-resolution panoramic camera is met; the average value of the full-view field transfer function is close to 0.3@360lp/mm, the pixel resolution reaches 1200 ten thousand, and high-resolution imaging is realized; the global lens design is adopted, the focal power distribution is reasonable, the process realizability is good, and the mass production and assembly are easy to realize.
While the preferred embodiment of the present application has been described in detail, the application is not limited to the embodiments, and various equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the application, and these modifications and substitutions are intended to be included in the scope of the present application as defined in the appended claims.
Claims (10)
1. A miniaturized high-pixel panorama day night confocal optical system is characterized in that: the lens system comprises a front lens group, a diaphragm, a rear lens group and an image surface, wherein the front lens group, the diaphragm, the rear lens group and the image surface are sequentially arranged from front to back along the incidence direction of light rays, the front lens group comprises a first lens, a second lens and a third lens which are sequentially arranged from front to back, and the rear lens group comprises a fourth lens, a fifth lens, a sixth lens and a seventh lens which are sequentially arranged from front to back; the component with optical refractive power in the optical system is only the seven lenses;
The first lens is a meniscus lens with negative focal power, the fourth lens and the sixth lens are biconvex lenses with positive focal power, the second lens and the fifth lens are biconcave lenses with negative focal power, and the seventh lens is a meniscus lens with positive focal power; the third lens is a drum-type thick lens with positive focal power, and the fourth lens and the fifth lens form a double-cemented lens;
Wherein the first lens is bent towards the diaphragm, and the seventh lens is back towards the diaphragm;
wherein the focal length of the optical system is 1.41 mm, the relative aperture of the optical system is 1/2.2, and the field angle of the optical system is 220 degrees.
2. A miniaturized high-pixel panoramic day-night confocal optical system according to claim 1, wherein: the focal power of the front lens group is phi A, and the focal power of the optical system is phi, wherein the ratio of phi A to phi satisfies the following conditions:
0.11≤φA/φ≤0.16。
3. a miniaturized high-pixel panoramic day-night confocal optical system according to claim 1, wherein: the focal power of the rear lens group is phi B, and the focal power of the optical system is phi, wherein the ratio of phi B to phi satisfies the following conditions:
0.31≤φB/φ≤0.38。
4. A miniaturized high-pixel panoramic day-night confocal optical system according to claim 1, wherein: the third lens has optical power of phi A3, and the optical system has optical power of phi, wherein the ratio of phi A3 to phi satisfies the following conditions:
0.27≤φA3/φ≤0.35。
5. A miniaturized high-pixel panoramic day-night confocal optical system according to claim 1, wherein: the optical surface of the third lens close to the diaphragm is a first optical surface, the optical surface of the fourth lens close to the diaphragm is a second optical surface, the height value of the on-axis view field edge light of the optical system on the first optical surface is h1, and the height value of the off-axis view field edge light of the optical system on the second optical surface is h2, wherein h2/h1 satisfies the following conditions:
1.04≤h1/h2≤1.16。
6. A miniaturized high-pixel panoramic day-night confocal optical system according to claim 1, wherein: the distance between the diaphragm and the center of the third lens is L1, the distance between the diaphragm and the center of the fourth lens is L2, and the ratio of L1/L2 satisfies:
3.15≤L1/L2≤3.75。
7. A miniaturized high-pixel panoramic day-night confocal optical system according to claim 1, wherein: the optical system has optical power phi, the first lens has optical power phi A1, the second lens has optical power phi A2, the fourth lens and the fifth lens have combined optical power phi B12, the sixth lens has optical power phi B3, and the seventh lens has optical power phi B4, wherein phi A1, phi A2, phi B12, phi B3 and phi B4 satisfy the following conditions:
-0.23≤φA1/φ≤-0.18；
-0.42≤φA2/φ≤-0.35；
-0.095≤φB12/φ≤-0.025；
0.19≤φB3/φ≤0.26；
0.16≤φB4/φ≤0.22。
8. A miniaturized high-pixel panoramic day-night confocal optical system according to claim 1, wherein: the first lens and the sixth lens are made of lanthanum flint glass, the second lens and the fourth lens are made of lanthanum crown glass, the third lens and the fifth lens are made of the flint glass, and the seventh lens is made of the corona glass.
9. A miniaturized high-pixel panoramic day-night confocal optical system according to claim 1, wherein: the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens and the seventh lens are all spherical glass lenses.
10. A miniaturized high-pixel panoramic day-night confocal optical system according to claim 1, wherein: and an optical filter is arranged between the seventh lens and the image plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910712878.0A CN110456480B (en) | 2019-08-02 | 2019-08-02 | Miniaturized high-pixel panoramic day-night confocal optical system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910712878.0A CN110456480B (en) | 2019-08-02 | 2019-08-02 | Miniaturized high-pixel panoramic day-night confocal optical system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110456480A CN110456480A (en) | 2019-11-15 |
| CN110456480B true CN110456480B (en) | 2024-04-30 |
Family
ID=68484761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910712878.0A Active CN110456480B (en) | 2019-08-02 | 2019-08-02 | Miniaturized high-pixel panoramic day-night confocal optical system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110456480B (en) |
Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4934797A (en) * | 1988-09-30 | 1990-06-19 | Asahi Kogaku Kogyo Kabushiki Kaisha | Wide-angle lens system of a retrofocus type |
| JP2000089110A (en) * | 1998-09-11 | 2000-03-31 | Canon Inc | Zoom lens |
| JP2001133685A (en) * | 1999-11-02 | 2001-05-18 | Matsushita Electric Ind Co Ltd | Photographic lens, electronic still camera, and video camera |
| JP2003035868A (en) * | 2001-07-24 | 2003-02-07 | Ricoh Co Ltd | Variable power group for zoom lens, zoom lens and camera device |
| WO2004059361A1 (en) * | 2002-12-26 | 2004-07-15 | Sekinos Co., Ltd. | Taking lens |
| KR20070007472A (en) * | 2005-07-11 | 2007-01-16 | 박광돈 | 3-dimensional image detector |
| JP2010256627A (en) * | 2009-04-24 | 2010-11-11 | Ricoh Co Ltd | Wide angle lens and imaging device |
| CN201820027U (en) * | 2010-09-30 | 2011-05-04 | 安徽景全光电科技有限公司 | Optical imaging lens |
| KR20120076210A (en) * | 2010-12-29 | 2012-07-09 | 주식회사 나노포토닉스 | Fisheye lens |
| CN104749756A (en) * | 2013-12-27 | 2015-07-01 | 福州开发区鸿发光电子技术有限公司 | Aspherical dual-waveband confocal zoom lianr |
| CN105204145A (en) * | 2015-10-22 | 2015-12-30 | 舜宇光学(中山)有限公司 | Day-night dual-purpose wide-angle monitoring lens |
| CN105372797A (en) * | 2015-11-05 | 2016-03-02 | 福建福光股份有限公司 | Miniature zooming aspheric lens |
| EP3006977A2 (en) * | 2014-10-09 | 2016-04-13 | Sintai Optical (Shenzhen) Co., Ltd. | Wide-angle lens |
| CN106461916A (en) * | 2014-09-03 | 2017-02-22 | 大族激光科技产业集团股份有限公司 | Photographic objective lens |
| CN206020792U (en) * | 2016-08-25 | 2017-03-15 | 广东弘景光电科技股份有限公司 | The day and night camera lens of the confocal wide-angle high pixel optics system of low distortion and its application |
| CN106772941A (en) * | 2016-12-27 | 2017-05-31 | 东莞市宇瞳光学科技股份有限公司 | The big thang-kng small-sized wide-angle lens of 2.8mm |
| CN206505215U (en) * | 2016-12-27 | 2017-09-19 | 东莞市宇瞳光学科技股份有限公司 | The big thang-kng small-sized wide-angle lens of 2.8mm |
| CN109219766A (en) * | 2016-06-06 | 2019-01-15 | 柯尼卡美能达株式会社 | Imaging optical system, lenticular unit and photographic device |
| CN110007440A (en) * | 2019-04-29 | 2019-07-12 | 佛山科学技术学院 | A kind of number aerial mapping full-color camera optical system |
| CN210270340U (en) * | 2019-08-02 | 2020-04-07 | 佛山科学技术学院 | Miniaturized high-pixel panoramic day and night confocal optical system |
| JP2021117447A (en) * | 2020-01-29 | 2021-08-10 | 株式会社リコー | Image capturing lens, camera device, and mobile body |
| CN113376821A (en) * | 2021-03-22 | 2021-09-10 | 季华实验室 | High-resolution microscopic imaging optical system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101373261B (en) * | 2007-08-22 | 2010-09-29 | 鸿富锦精密工业（深圳）有限公司 | Wide-angle lens and vehicle apparatus using the same |
| TWI687737B (en) * | 2018-05-07 | 2020-03-11 | 佳凌科技股份有限公司 | Wide-angle lens |
-
2019
- 2019-08-02 CN CN201910712878.0A patent/CN110456480B/en active Active
Patent Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4934797A (en) * | 1988-09-30 | 1990-06-19 | Asahi Kogaku Kogyo Kabushiki Kaisha | Wide-angle lens system of a retrofocus type |
| JP2000089110A (en) * | 1998-09-11 | 2000-03-31 | Canon Inc | Zoom lens |
| JP2001133685A (en) * | 1999-11-02 | 2001-05-18 | Matsushita Electric Ind Co Ltd | Photographic lens, electronic still camera, and video camera |
| JP2003035868A (en) * | 2001-07-24 | 2003-02-07 | Ricoh Co Ltd | Variable power group for zoom lens, zoom lens and camera device |
| WO2004059361A1 (en) * | 2002-12-26 | 2004-07-15 | Sekinos Co., Ltd. | Taking lens |
| KR20070007472A (en) * | 2005-07-11 | 2007-01-16 | 박광돈 | 3-dimensional image detector |
| JP2010256627A (en) * | 2009-04-24 | 2010-11-11 | Ricoh Co Ltd | Wide angle lens and imaging device |
| CN201820027U (en) * | 2010-09-30 | 2011-05-04 | 安徽景全光电科技有限公司 | Optical imaging lens |
| KR20120076210A (en) * | 2010-12-29 | 2012-07-09 | 주식회사 나노포토닉스 | Fisheye lens |
| CN104749756A (en) * | 2013-12-27 | 2015-07-01 | 福州开发区鸿发光电子技术有限公司 | Aspherical dual-waveband confocal zoom lianr |
| CN106461916A (en) * | 2014-09-03 | 2017-02-22 | 大族激光科技产业集团股份有限公司 | Photographic objective lens |
| EP3006977A2 (en) * | 2014-10-09 | 2016-04-13 | Sintai Optical (Shenzhen) Co., Ltd. | Wide-angle lens |
| CN105204145A (en) * | 2015-10-22 | 2015-12-30 | 舜宇光学(中山)有限公司 | Day-night dual-purpose wide-angle monitoring lens |
| CN105372797A (en) * | 2015-11-05 | 2016-03-02 | 福建福光股份有限公司 | Miniature zooming aspheric lens |
| CN109219766A (en) * | 2016-06-06 | 2019-01-15 | 柯尼卡美能达株式会社 | Imaging optical system, lenticular unit and photographic device |
| CN206020792U (en) * | 2016-08-25 | 2017-03-15 | 广东弘景光电科技股份有限公司 | The day and night camera lens of the confocal wide-angle high pixel optics system of low distortion and its application |
| CN106772941A (en) * | 2016-12-27 | 2017-05-31 | 东莞市宇瞳光学科技股份有限公司 | The big thang-kng small-sized wide-angle lens of 2.8mm |
| CN206505215U (en) * | 2016-12-27 | 2017-09-19 | 东莞市宇瞳光学科技股份有限公司 | The big thang-kng small-sized wide-angle lens of 2.8mm |
| CN110007440A (en) * | 2019-04-29 | 2019-07-12 | 佛山科学技术学院 | A kind of number aerial mapping full-color camera optical system |
| CN210270340U (en) * | 2019-08-02 | 2020-04-07 | 佛山科学技术学院 | Miniaturized high-pixel panoramic day and night confocal optical system |
| JP2021117447A (en) * | 2020-01-29 | 2021-08-10 | 株式会社リコー | Image capturing lens, camera device, and mobile body |
| CN113376821A (en) * | 2021-03-22 | 2021-09-10 | 季华实验室 | High-resolution microscopic imaging optical system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110456480A (en) | 2019-11-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2414883B1 (en) | Wide angle lens and imaging device | |
| US8116013B2 (en) | Wide-angle lens and image pickup apparatus | |
| CN106842520B (en) | High-definition panoramic all-around optical imaging system | |
| CN110568590A (en) | Starlight-level optical lens and imaging method thereof | |
| CN115128769A (en) | Optical lens | |
| CN115128771A (en) | Optical lens | |
| CN109324400B (en) | Compact-structure 2-time high-definition zoom glass-plastic lens and imaging method thereof | |
| CN110471166B (en) | Low-distortion compact high-resolution fisheye lens optical system | |
| CN110471165B (en) | Small-sized high-resolution fisheye lens optical system capable of eliminating distortion | |
| JP2004354829A (en) | Unifocal lens for visible light and near-infrared light | |
| CN109375343B (en) | Vehicle-mounted high-definition looking-around optical system with size of 1.1mm and imaging method thereof | |
| CN210270340U (en) | Miniaturized high-pixel panoramic day and night confocal optical system | |
| CN114740599B (en) | Optical system, camera module and electronic equipment | |
| CN110456480B (en) | Miniaturized high-pixel panoramic day-night confocal optical system | |
| CN110441892B (en) | Low-distortion miniaturized high-resolution fisheye lens optical system | |
| CN210270344U (en) | Low-distortion compact high-resolution fisheye lens optical system | |
| CN112596205B (en) | Optical lens group, camera module and electronic device | |
| CN210270342U (en) | Miniaturized panoramic day and night confocal optical system | |
| CN210270352U (en) | Compact ultra-wide angle fisheye lens optical system | |
| CN110441891B (en) | Compact ultra-wide angle fisheye lens optical system | |
| CN210270353U (en) | Small-size high resolution ratio fisheye lens optical system of low distortion | |
| CN210270345U (en) | 3mm focal length super wide angle fisheye lens optical system | |
| CN210270343U (en) | Small-size high resolution ratio fisheye lens optical system that distorts disappears | |
| CN110426816B (en) | Miniaturized panorama day night confocal optical system | |
| CN109358407B (en) | 3.8mm super-economical low-sensitivity high-order aspheric optical system and imaging method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |