CN112083554B - Super wide angle low distortion long focus fish eye optical system - Google Patents
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- CN112083554B CN112083554B CN202010977035.6A CN202010977035A CN112083554B CN 112083554 B CN112083554 B CN 112083554B CN 202010977035 A CN202010977035 A CN 202010977035A CN 112083554 B CN112083554 B CN 112083554B
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- 230000003287 optical effect Effects 0.000 title claims abstract description 38
- 241000251468 Actinopterygii Species 0.000 title claims abstract description 5
- 238000005286 illumination Methods 0.000 claims description 2
- 238000012827 research and development Methods 0.000 abstract description 4
- 238000012546 transfer Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
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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
- G02B13/005—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having spherical lenses only
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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
- G02B13/0055—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
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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
- G02B13/02—Telephoto objectives, i.e. systems of the type + - in which the distance from the front vertex to the image plane is less than the equivalent focal length
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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
- G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
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Abstract
The utility model provides a long focus fish eye optical system of super wide angle low distortion, is equipped with from the object plane to image plane along the optical axis in proper order: the lens comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens, wherein the focal power of the first lens is negative; the focal power of the second lens is negative; the focal power of the third lens is positive; the focal power of the fourth lens is positive; the focal power of the fifth lens is positive; the focal power of the sixth lens is positive; the focal power of the seventh lens is negative; f is a focal length of the entire optical system, f1 is a focal length of the first lens, f2 is a focal length of the second lens, f3 is a focal length of the third lens, f4 is a focal length of the fourth lens, f5 is a focal length of the fifth lens, f6 is a focal length of the sixth lens, and f67 is a combined focal length of the sixth lens and the seventh lens. The invention has simple structure and low research and development cost; has a temperature of 1800The advantages of super wide angle, low distortion, long focal length and high transfer function, and is suitable for the fields of security, military, photography and the like.
Description
Technical Field
The invention relates to the field of optical systems, in particular to an ultra-wide-angle low-distortion long-focus fisheye optical system.
Background
With the advent of the information age, people want to obtain wider spatial information so as to more fully and comprehensively sense the surrounding environment. The fisheye lens has the imaging characteristic of an ultra-wide angle, has great advantages in the aspect of acquiring spatial information, and is widely concerned by scientific researchers. However, the existing super-wide fisheye optical system has the disadvantages of large distortion, short focal length, etc., and the method of increasing the number of optical elements or using aspheric surfaces is also commonly adopted to improve the imaging quality.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides an ultra-wide angle low-distortion long-focus fisheye optical system, which solves the problems of large distortion, short focal length, complex structure, high research and development cost and the like of the conventional ultra-wide angle fisheye optical system.
The technical scheme adopted by the invention for solving the technical problem is as follows:
the utility model provides a long focus fish eye optical system of super wide angle low distortion, is equipped with from the object plane to image plane along the optical axis in proper order: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens, wherein the focal power of the first lens is negative, -0.26< f/f1< -0.22;
the power of the second lens is negative, -0.32< f/f2< -0.27;
the third lens has a positive optical power of 0.17< f/f3< 0.25;
the focal power of the fourth lens is positive, 0.16< f/f4< 0.22;
the power of the fifth lens is positive, 0.05< f/f5< 0.13;
the power of the sixth lens is positive, 0.50< f/f6< 0.70;
the power of the seventh lens is negative, -0.70< f/f7< -0.45; 0.025< f/f67< 0.085;
where f is a focal length of the entire optical system, f1 is a focal length of the first lens, f2 is a focal length of the second lens, f3 is a focal length of the third lens, f4 is a focal length of the fourth lens, f5 is a focal length of the fifth lens, f6 is a focal length of the sixth lens, and f67 is a combined focal length of the sixth lens and the seventh lens.
Preferably, the seventh lens and the sixth lens are cemented together to form a combined lens having a positive optical power of 0.025< f/f67< 0.085.
Preferably, the full field angle of the optical system is greater than or equal to 1800The focal length is 10.0mm, the relative aperture F/2.8, the relative illumination is greater than 0.65, and the relative distortion is less than 1%.
Preferably, the material of the first lens is H-ZLAF52A, the material of the second lens is H-FK61, the material of the third lens is H-LAK52, the material of the fourth lens is H-ZK9B, the material of the fifth lens is H-LAK52, the material of the sixth lens is H-FK61, and the material of the seventh lens is H-ZF7 LA.
Preferably, a diaphragm is arranged between the fifth lens and the fourth lens.
Preferably, the radius of curvature of the incident surface of the first lens is 65.0mm, the radius of curvature of the emergent surface is 21.9mm, the center thickness is 2.5mm, and the clear aperture of the lens is phi 77.5 mm; the curvature radius of the incident surface of the second lens is-146.5 mm, the curvature radius of the emergent surface of the second lens is 18.8mm, the center thickness of the second lens is 3.3mm, and the clear aperture of the second lens is phi 42.2 mm; the curvature radius of the incident surface of the third lens is 84.5mm, the curvature radius of the emergent surface of the third lens is-65.3 mm, the center thickness of the third lens is 6.0mm, and the clear aperture of the third lens is phi 26.4 mm; the curvature radius of the incident surface of the fourth lens is 15.4mm, the curvature radius of the emergent surface of the fourth lens is 25.9mm, the center thickness of the fourth lens is 2.9mm, and the light-passing aperture of the fourth lens is phi 20.0 mm; the curvature radius of the incident surface of the fifth lens is-29.0 mm, the curvature radius of the emergent surface of the fifth lens is-23.8 mm, the center thickness of the fifth lens is 4.2mm, and the clear aperture of the fifth lens is phi 10.5 mm; the curvature radius of the incident surface of the sixth lens is 32.6mm, the curvature radius of the emergent surface of the sixth lens is-10.8 mm, the center thickness of the sixth lens is 4.7mm, and the clear aperture of the sixth lens is phi 14.4 mm; the curvature radius of the incident surface of the seventh lens is-10.8 mm, the curvature radius of the emergent surface of the seventh lens is-39.3 mm, the center thickness of the seventh lens is 1.7mm, and the clear aperture of the seventh lens is phi 14.7 mm.
Preferably, the distance between the first lens and the second lens is 21.1 mm; the distance between the second lens and the third lens is 25.6 mm; the distance between the third lens and the fourth lens is 1.6 mm; the distance between the fourth lens and the aperture diaphragm is 8.1 mm; the distance between the aperture diaphragm and the fifth lens is 1.1 mm; the distance between the fifth lens and the sixth lens is 0.1 mm; the distance between the seventh lens and the image plane is 22.0 mm.
The invention has the beneficial effects that: the invention is composed of seven global surface lenses, the structure is simple, and the research and development cost is low; adopts different lenses which are mutually combined and reasonably distributed to have the focal power of 1800Ultra wide angle, low distortion, long focal length and high transfer function, and is suitable forThe method is used for the fields of security protection, military, photography and the like.
Drawings
FIG. 1 is a schematic diagram of a super wide angle low distortion long focal length fisheye optical system of the invention;
FIG. 2 is a distortion curve diagram of an ultra-wide angle low distortion long focal length fisheye optical system of the invention.
In the figure: 1. the lens system comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an aperture diaphragm, an aperture stop, an imaging surface and a fourth lens, wherein the first lens is 2, the second lens is 3, the third lens is 4, the fourth lens is 5, the fifth lens is 6, the sixth lens is 7, the seventh lens is 8, the aperture diaphragm is 9.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1, the super-wide angle global surface fisheye optical system is sequentially provided with, from an object plane to an image plane along an optical axis: a first lens 1, a second lens 2, a third lens 3, a fourth lens 4, an aperture stop 8, a fifth lens 5, a sixth lens 6, a seventh lens 7, and an image plane 9. The focal powers of the first lens 1, the second lens 2 and the seventh lens 7 are all negative, and the focal powers of the third lens 3, the fourth lens 4, the fifth lens 5 and the sixth lens 6 are all positive.
In a specific embodiment of this embodiment, the seventh lens 7 and the sixth lens 6 are cemented together to form a combined lens, and the focal power of the combined lens is positive. Simple structure, can guarantee good optical property.
As a specific embodiment of the present solution, without limitation, each lens of the optical system satisfies the following conditions:
-0.26<f/f1<-0.22；
-0.32<f/f2<-0.27；
0.17<f/f3<0.25；
0.16<f/f4<0.22；
0.05<f/f5<0.13；
0.50<f/f6<0.70；
-0.70<f/f7<-0.45；
0.025<f/f67<0.085；
where f is a focal length of the entire optical system, f1 is a focal length of the first lens 1, f2 is a focal length of the second lens 2, f3 is a focal length of the third lens 3, f4 is a focal length of the fourth lens 4, f5 is a focal length of the fifth lens 5, f6 is a focal length of the sixth lens 6, f7 is a focal length of the seventh lens 7, and f67 is a combined focal length of the sixth lens and the seventh lens.
All the lenses of the invention are spherical lenses, thus reducing the processing difficulty of optical elements and simultaneously reducing the research and development cost.
Preferably, the first lens element 1 is made of H-ZLAF52A, the second lens element 2 is made of H-FK61, the third lens element 3 is made of H-LAK52, the fourth lens element 4 is made of H-ZK9B, the fifth lens element 5 is made of H-LAK52, the sixth lens element 6 is made of H-FK61, and the seventh lens element 7 is made of H-ZF7 LA.
For convenience of description, the light incident surface of the lens is used as the front surface, and the light emergent surface of the lens is used as the rear surface.
Further as a preferred embodiment, the curvature radius of the front surface of the first lens 1 is 65.0mm, the curvature radius of the rear surface is 21.9mm, the center thickness is 2.5mm, and the clear aperture of the lens is Φ 77.5 mm;
the curvature radius of the front surface of the second lens 2 is-146.5 mm, the curvature radius of the rear surface is 18.8mm, the center thickness is 3.3mm, and the clear aperture of the lens is phi 42.2 mm;
the curvature radius of the front surface of the third lens 3 is 84.5mm, the curvature radius of the rear surface is-65.3 mm, the center thickness is 6.0mm, and the clear aperture of the lens is phi 26.4 mm;
the curvature radius of the front surface of the fourth lens 4 is 15.4mm, the curvature radius of the rear surface of the fourth lens is 25.9mm, the center thickness of the fourth lens is 2.9mm, and the clear aperture of the fourth lens is phi 20.0 mm;
the curvature radius of the front surface of the fifth lens 5 is-29.0 mm, the curvature radius of the rear surface of the fifth lens is-23.8 mm, the center thickness of the fifth lens is 4.2mm, and the clear aperture of the fifth lens is phi 10.5 mm;
the curvature radius of the front surface of the sixth lens 6 is 32.6mm, the curvature radius of the rear surface is-10.8 mm, the center thickness is 4.7mm, and the clear aperture of the lens is phi 14.4 mm;
the curvature radius of the front surface of the seventh lens 7 is-10.8 mm, the curvature radius of the rear surface is-39.3 mm, the center thickness is 1.7mm, and the clear aperture of the lens is phi 14.7 mm.
Further as a preferred embodiment, the distance between the first lens 1 and the second lens 2 is 21.1 mm; the distance between the second lens 2 and the third lens 3 is 25.6 mm; the distance between the third lens 3 and the fourth lens 4 is 1.6 mm; the distance between the fourth lens 4 and the aperture diaphragm 8 is 8.1 mm; the distance between the aperture diaphragm 8 and the fifth lens 5 is 1.1 mm; the distance between the fifth lens 5 and the sixth lens 6 is 0.1 mm; the distance of the seventh lens 7 from the image plane 9 is 22.0 mm.
The specific parameters of the optical system are as follows:
focal length 10.0 mm; relative pore diameter F/2.8; full field angle 1800。
Fig. 2 is a distortion curve diagram of the optical system of the present invention, and it can be seen from fig. 2 that the distortion of the optical system is less than 0.15% in the whole field of view.
While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that the present invention is not limited to the details of the embodiments shown and described, but is capable of numerous equivalents and substitutions without departing from the spirit of the invention and its scope is defined by the claims appended hereto.
Claims (7)
1. The utility model provides a long focus fish eye optical system of super wide angle low distortion, is equipped with from the object plane to image plane along the optical axis in proper order: a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element, and a seventh lens element,
the power of the first lens is negative, -0.26< f/f1< -0.22;
the power of the second lens is negative, -0.32< f/f2< -0.27;
the third lens has a positive optical power of 0.17< f/f3< 0.25;
the focal power of the fourth lens is positive, 0.16< f/f4< 0.22;
the power of the fifth lens is positive, 0.05< f/f5< 0.13;
the power of the sixth lens is positive, 0.50< f/f6< 0.70;
the power of the seventh lens is negative, -0.70< f/f7< -0.45; 0.025< f/f67< 0.085;
where f is a focal length of the entire optical system, f1 is a focal length of the first lens, f2 is a focal length of the second lens, f3 is a focal length of the third lens, f4 is a focal length of the fourth lens, f5 is a focal length of the fifth lens, f6 is a focal length of the sixth lens, and f67 is a combined focal length of the sixth lens and the seventh lens.
2. The ultra-wide angle low distortion long focal length fisheye optical system of claim 1 wherein the seventh and sixth lenses are cemented together to form a combined lens having a positive optical power of 0.025< f/f67< 0.085.
3. The ultra-wide angle low distortion long focal length fisheye optical system of claim 1 having a full field angle of 180 or more0The focal length is 10.0mm, the relative aperture F/2.8, the relative illumination is greater than 0.65, and the relative distortion is less than 1%.
4. The ultra-wide angle low distortion long focal length fisheye optical system of claim 1, wherein the first lens is made of H-ZLAF52A, the second lens is made of H-FK61, the third lens is made of H-LAK52, the fourth lens is made of H-ZK9B, the fifth lens is made of H-LAK52, the sixth lens is made of H-FK61, and the seventh lens is made of H-ZF7 LA.
5. The system of claim 1, wherein a stop is disposed between the fifth lens and the fourth lens.
6. The ultra-wide angle low distortion long focal length fisheye optical system of claim 1, wherein the radius of curvature of the entrance surface of the first lens is 65.0mm, the radius of curvature of the exit surface of the first lens is 21.9mm, the center thickness of the first lens is 2.5mm, and the clear aperture of the first lens is Φ 77.5 mm; the curvature radius of the incident surface of the second lens is-146.5 mm, the curvature radius of the emergent surface of the second lens is 18.8mm, the center thickness of the second lens is 3.3mm, and the clear aperture of the second lens is phi 42.2 mm; the curvature radius of the incident surface of the third lens is 84.5mm, the curvature radius of the emergent surface of the third lens is-65.3 mm, the center thickness of the third lens is 6.0mm, and the clear aperture of the third lens is phi 26.4 mm; the curvature radius of the incident surface of the fourth lens is 15.4mm, the curvature radius of the emergent surface of the fourth lens is 25.9mm, the center thickness of the fourth lens is 2.9mm, and the light-passing aperture of the fourth lens is phi 20.0 mm; the curvature radius of the incident surface of the fifth lens is-29.0 mm, the curvature radius of the emergent surface of the fifth lens is-23.8 mm, the center thickness of the fifth lens is 4.2mm, and the clear aperture of the fifth lens is phi 10.5 mm; the curvature radius of the incident surface of the sixth lens is 32.6mm, the curvature radius of the emergent surface of the sixth lens is-10.8 mm, the center thickness of the sixth lens is 4.7mm, and the clear aperture of the sixth lens is phi 14.4 mm; the curvature radius of the incident surface of the seventh lens is-10.8 mm, the curvature radius of the emergent surface of the seventh lens is-39.3 mm, the center thickness of the seventh lens is 1.7mm, and the clear aperture of the seventh lens is phi 14.7 mm.
7. The ultra-wide angle low distortion long focal length fisheye optical system of claim 1, wherein the first lens is spaced 21.1mm from the second lens; the distance between the second lens and the third lens is 25.6 mm; the distance between the third lens and the fourth lens is 1.6 mm; the distance between the fourth lens and the aperture diaphragm is 8.1 mm; the distance between the aperture diaphragm and the fifth lens is 1.1 mm; the distance between the fifth lens and the sixth lens is 0.1 mm; the distance between the seventh lens and the image plane is 22.0 mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010977035.6A CN112083554B (en) | 2020-09-17 | 2020-09-17 | Super wide angle low distortion long focus fish eye optical system |
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|---|---|---|---|
| CN202010977035.6A CN112083554B (en) | 2020-09-17 | 2020-09-17 | Super wide angle low distortion long focus fish eye optical system |
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| CN112083554B true CN112083554B (en) | 2021-12-17 |
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Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04238313A (en) * | 1991-01-22 | 1992-08-26 | Copal Co Ltd | Extremely wide-angle lens |
| JP2000221391A (en) * | 1998-11-25 | 2000-08-11 | Fitto:Kk | Image pickup unit using fisheye lens, picture display device and information recording medium |
| JP2007155977A (en) * | 2005-12-02 | 2007-06-21 | Nikon Corp | Fisheye lens and imaging apparatus |
| JP2011158508A (en) * | 2010-01-29 | 2011-08-18 | Fujifilm Corp | Imaging lens and imaging device |
| CN104007535A (en) * | 2014-06-10 | 2014-08-27 | 舜宇光学(中山)有限公司 | Novel ultra wide angle lens |
| CN204009204U (en) * | 2014-06-05 | 2014-12-10 | 厦门奇亚光电科技有限公司 | A kind of bugeye lens |
| CN105511053A (en) * | 2016-01-12 | 2016-04-20 | 中山市弘景光电科技有限公司 | High-pixel camera shooting optical system and camera lens used by high-pixel camera shooting optical system |
| CN105974561A (en) * | 2016-07-08 | 2016-09-28 | 浙江舜宇光学有限公司 | Wide-angle image photographing lens |
| JP2017125887A (en) * | 2016-01-12 | 2017-07-20 | 富士フイルム株式会社 | Imaging lens and imaging device |
| JP2017167253A (en) * | 2016-03-15 | 2017-09-21 | 日立マクセル株式会社 | Imaging lens system and imaging device |
| CN108919463A (en) * | 2018-08-02 | 2018-11-30 | 浙江舜宇光学有限公司 | Optical imaging lens |
| CN109116525A (en) * | 2018-09-30 | 2019-01-01 | 河南翊轩光电科技有限公司 | A kind of optical lens of no thermalization flake high definition |
| JP2019517685A (en) * | 2017-03-30 | 2019-06-24 | 広東弘景光電科技股▲フン▼有限公司Ｇｕａｎｇｄｏｎｇ Ｈｏｎｇｊｉｎｇ Ｏｐｔｏｅｌｅｃｔｒｏｎｉｃ Ｔｅｃｈｎｏｌｏｇｙ Ｉｎｃ． | Ultra-wide-angle imaging optical system and imaging module applying the same |
| TW201947273A (en) * | 2018-05-07 | 2019-12-16 | 佳凌科技股份有限公司 | Wide-angle lens assembly |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6643113B2 (en) * | 2016-01-28 | 2020-02-12 | ナンチャン オー−フィルム オプティカル−エレクトロニック テック カンパニー リミテッド | Imaging lens and imaging device |
-
2020
- 2020-09-17 CN CN202010977035.6A patent/CN112083554B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04238313A (en) * | 1991-01-22 | 1992-08-26 | Copal Co Ltd | Extremely wide-angle lens |
| JP2000221391A (en) * | 1998-11-25 | 2000-08-11 | Fitto:Kk | Image pickup unit using fisheye lens, picture display device and information recording medium |
| JP2007155977A (en) * | 2005-12-02 | 2007-06-21 | Nikon Corp | Fisheye lens and imaging apparatus |
| JP2011158508A (en) * | 2010-01-29 | 2011-08-18 | Fujifilm Corp | Imaging lens and imaging device |
| CN204009204U (en) * | 2014-06-05 | 2014-12-10 | 厦门奇亚光电科技有限公司 | A kind of bugeye lens |
| CN104007535A (en) * | 2014-06-10 | 2014-08-27 | 舜宇光学(中山)有限公司 | Novel ultra wide angle lens |
| CN105511053A (en) * | 2016-01-12 | 2016-04-20 | 中山市弘景光电科技有限公司 | High-pixel camera shooting optical system and camera lens used by high-pixel camera shooting optical system |
| JP2017125887A (en) * | 2016-01-12 | 2017-07-20 | 富士フイルム株式会社 | Imaging lens and imaging device |
| JP2017167253A (en) * | 2016-03-15 | 2017-09-21 | 日立マクセル株式会社 | Imaging lens system and imaging device |
| CN105974561A (en) * | 2016-07-08 | 2016-09-28 | 浙江舜宇光学有限公司 | Wide-angle image photographing lens |
| JP2019517685A (en) * | 2017-03-30 | 2019-06-24 | 広東弘景光電科技股▲フン▼有限公司Ｇｕａｎｇｄｏｎｇ Ｈｏｎｇｊｉｎｇ Ｏｐｔｏｅｌｅｃｔｒｏｎｉｃ Ｔｅｃｈｎｏｌｏｇｙ Ｉｎｃ． | Ultra-wide-angle imaging optical system and imaging module applying the same |
| TW201947273A (en) * | 2018-05-07 | 2019-12-16 | 佳凌科技股份有限公司 | Wide-angle lens assembly |
| CN108919463A (en) * | 2018-08-02 | 2018-11-30 | 浙江舜宇光学有限公司 | Optical imaging lens |
| CN109116525A (en) * | 2018-09-30 | 2019-01-01 | 河南翊轩光电科技有限公司 | A kind of optical lens of no thermalization flake high definition |
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|---|---|
| CN112083554A (en) | 2020-12-15 |
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