CN107608059A - A kind of micro- distortion big visual field optical lens of high-resolution - Google Patents
A kind of micro- distortion big visual field optical lens of high-resolution Download PDFInfo
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- CN107608059A CN107608059A CN201711089210.2A CN201711089210A CN107608059A CN 107608059 A CN107608059 A CN 107608059A CN 201711089210 A CN201711089210 A CN 201711089210A CN 107608059 A CN107608059 A CN 107608059A
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Abstract
The first lens to image side, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens, the 7th lens, the 8th lens and the 9th lens are arranged in order by thing side the invention discloses a kind of micro- distortion big visual field optical lens of high-resolution, including along optical axis；First lens, the second lens and the 3rd concave lens surface are in falcate, and concave surface is towards image side, and the second lens and the 3rd lens have negative power；4th convex lens surface and the 5th concave lens surface are glued, and the 4th convex lens surface is towards image side, and the 5th convex lens surface is towards image side；6th concave lens surface is facing to image side；7th convex lens surface is towards image side；8th convex lens surface and the 9th concave lens surface are glued, and the 8th convex lens surface is towards image side, and the 9th convex lens surface is towards image side；Diaphragm is additionally provided between 5th lens group and the 6th lens；The structure composition of this optical lens assembly can realize miniaturization, because each lens are all glass spheric glass, so having the advantages of optical distortion is small, and visual field is big.
Description
Technical field
The present invention relates to field of optical systems, more particularly to a kind of micro- distortion big visual field optical lens of high-resolution.
Background technology
In environment such as unmanned plane, recognition of face, mapping, high photographing instruments in use, traditional wide-angle lens has distortion greatly, point
Resolution is low, if using glass and glass lens combination, is faced the challenge in environment use.
The content of the invention
The problem of in order to overcome prior art to exist, it is an object of the invention to provide a kind of optical lens assembly.
The present invention is achieved through the following technical solutions：
A kind of micro- distortion big visual field optical lens of high-resolution is provided, including is arranged in order along optical axis by thing side to the tool of image side
Have the first lens of positive light coke, the second lens with negative power, the 3rd lens with negative power, with positive light focus
Degree the 4th lens, the 5th lens with negative power, the 6th lens with positive light coke, the with positive light coke the 7th
Lens, the 8th lens with positive light coke and the 9th lens with negative power；
First lens, the second lens and the 3rd concave lens surface are in falcate, and the concave surface is towards image side, and described
Two lens and the 3rd lens have negative power；
4th convex lens surface and the 5th concave lens surface are glued, have positive light coke, the 4th convex lens surface direction
Image side, the 5th convex lens surface is towards image side；
6th concave lens surface is towards image side；
7th convex lens surface is towards image side；
8th convex lens surface and the 9th concave lens surface are glued, have positive light coke, the 8th convex lens surface direction
Image side, the 9th convex lens surface is towards image side；
Diaphragm is additionally provided between 5th lens group and the 6th lens；
First lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens, the 7th lens,
Eight lens and the 9th optical center of lens are located along the same line.
Further, the 9th lens position, which is set, meets：
9th lens position, which is set, to be met：
0.12 ＜ BFL/TTL ＜ 0.24；
Wherein, BFL represents point on the convex surface of the 9th lens near the image side to the image side imaging surface
Distance；TTL represents the lens assembly optics overall length.
Further, second lens meet：
- 14 ＜ f (2) ＜ -4；
Wherein, f (2) represents second focal length of lens.
Further, the 3rd lens meet：
F (3) ＜ -3；
Wherein, f (3) represents the 3rd focal length of lens.
Further, meet between first lens and the 6th lens：
1.2 ＜ ∣ f (1)/f (6) ∣ ＜ 2；
Wherein, f (1) represents first focal length of lens, and f (6) represents the 6th focal length of lens.
Further, the 4th lens and the 5th lens position, which are set, meets：
1.4 ＜ ∣ f (5)/f (4) ∣ ＜ 2.5；
Wherein, f (4) represents the 4th focal length of lens, and f (5) represents the 5th focal length of lens.
Further, the 7th lens and the 8th lens position, which are set, meets：
1.8 ＜ ∣ f (7)/f (8) ∣ ＜ 2.5
Wherein, f (7) represents the 7th focal length of lens, and f (8) represents the 8th focal length of lens.
Further, the 6th lens meet：
1.05 ＜ ∣ R2/R1 ∣ ＜ 2；
Wherein, R1 is used to represent the 6th lens first surface radius of curvature, and R2 is used to represent that the 6th lens second surface is bent
Rate radius；
Further, the 8th lens after the 9th lens gluing with meeting：
1.05 ＜ ∣ R5/R3 ∣ ＜ 2.05 and 1.3 ＜ ∣ D/R4 ∣ ＜ 1.85；
Wherein, R3 is used for the radius of curvature for representing the 8th lens first surface, and R4 is used to represent the 8th lens second surface
With the radius of curvature after the 9th lens first surface gluing, R5 is used to represent radius of curvature of the ground with regard to lens second surface, and D is used for
Represent the eyeglass overall diameter of the 8th lens second surface.
Further, first index of refraction in lens meets：
1.48 ＜ nd ＜ 1.65；
Wherein, nd is used to represent centre wavelength refractive index.
Further, the 9th index of refraction in lens meets：
Nd ＞ 1.8；
Wherein, nd is used to represent centre wavelength refractive index.
Further, the lens aperture number is 2.5, and the angle of visual field is 95 °.
The present invention has the beneficial effect that：
The beneficial effects of the present invention are, the structure composition of this optical lens assembly can realize miniaturization, further, since
Each lens are all glass spheric glass, so having the advantages of optical distortion is small, and visual field is big.
Brief description of the drawings
Fig. 1 is the cross section structure schematic diagram of micro- distortion big visual field optical lens of high-resolution in the embodiment of the present invention；
Fig. 2 is MTF curve schematic diagram；
Fig. 3 is chromatic curve schematic diagram；
Fig. 4 is distortion curve schematic diagram.
Embodiment
With reference to embodiment, the present invention is further illustrated.Wherein, being given for example only property of accompanying drawing illustrates,
What is represented is only schematic diagram, rather than pictorial diagram, it is impossible to is interpreted as the limitation to this patent；In order to which the reality of the present invention is better described
Example is applied, some parts of accompanying drawing have omission, zoomed in or out, and do not represent the size of actual product；To those skilled in the art
For, some known features and its explanation may be omitted and will be understood by accompanying drawing.
Embodiment 1
As shown in figure 1, a kind of micro- distortion big visual field optical lens of high-resolution provided in the embodiment of the present invention, including along light
Axle by thing side be arranged in order the first lens 1 with positive light coke to image side, the second lens 2 with negative power, with
3rd lens 3 of negative power, the 4th lens 4 with positive light coke, the 5th lens 5 with negative power, with positive light
6th lens 6 of focal power, the 7th lens 7 with positive light coke, the 8th lens 8 with positive light coke and with negative power
The 9th lens 9；
First lens 1 include first surface 11 and second surface 12, and first surface 11 is convex surface, and second surface 12 is recessed
Face；
Second lens 2 include first surface 21 and second surface 22, and first surface 21 is convex surface, and second surface 22 is recessed
Face；
3rd lens 3 include first surface 31 and second surface 32, and first surface 31 is convex surface, and second surface 32 is recessed
Face；
4th lens 4 include first surface 41 and second surface 42, and first surface 41 is concave surface, and second surface 42 is convex
Face；
5th lens 5 include first surface 51 and second surface 52, and first surface 51 is concave surface, and second surface 52 is convex
Face；
6th lens 6 include first surface 61 and second surface 62, and first surface 61 is convex surface, and second surface 62 is recessed
Face；
7th lens 7 include first surface 71 and second surface 72, and first surface 71 is concave surface, and second surface 72 is convex
Face；
8th lens 8 include first surface 81 and second surface 82, and first surface 81 is convex surface, and second surface 82 is convex
Face；
9th lens 9 include first surface 91 and second surface 92, and first surface 91 is concave surface, and second surface 92 is convex
Face.
The second surface 12 of first lens 1, the second surface 32 of the lens 3 of second surface 22 and the 3rd of the second lens 2 are
Concave surface is in falcate, and second surface 12, second surface 22 and second surface 32 are towards image side, the second lens 2 and the 3rd lens 3
With negative power；
The first surface 51 of the lens 5 of second surface 42 and the 5th of 4th lens 4 is glued, has positive light coke, the 4th is saturating
The second surface 42 of mirror 4 is towards image side, and the second surfaces 52 of the 5th lens 5 is towards image side；
The second surface 62 of 6th lens 6 is towards image side；
The second surface 72 of 7th lens 7 is towards image side；
The first surface 91 of the lens 9 of second surface 82 and the 9th of 8th lens 8 is glued, has positive light coke, the 8th is saturating
The second surface of mirror 8 is towards image side, and the second surfaces 92 of the 9th lens is towards image side；
Diaphragm 10 is additionally provided between 5th lens 5 and the 6th lens 6；
First lens 1, the second lens 2, the 3rd lens 3, the 4th lens 4, the 5th lens 5, the 6th lens 6, the 7th lens
7th, the 8th lens 8 and the optical centre of the 9th lens 9 are located along the same line.
Meet specifically, the position of the 9th lens 9 is set：
0.12 ＜ BFL/TTL ＜ 0.24；
Wherein, BFL represent on the second surface 92 of the 9th lens 9 near image side point to imaging surface distance；
TTL represents the lens assembly optics overall length.
Specifically, the second lens 2 meet：
- 14 ＜ f (2) ＜ -4mm；
Wherein, f (2) represents the focal length of the second lens 2.
Specifically, the 3rd lens 3 meet：
F (3) ＜ -3；
Wherein, f (3) represents the focal length of the 3rd lens 3.
Specifically, the first lens 1 and the position of the 6th lens 6 set and met：
1.2 ＜ f (1)/f (6) ＜ 2；
Wherein, f (1) represents the focal length of the first lens 1, and f (6) represents the focal length of the 6th lens 6.
Specifically, the 4th lens 4 meet with the 5th lens 5：
1.4 ＜ ∣ f (5)/f (4) ∣ ＜ 2.5
Wherein, f (4) represents the focal length of the 4th lens 4, and f (5) represents the focal length of the 5th lens 5.
Specifically, the 7th lens 7 meet with the 8th lens 8：
1.8 ＜ ∣ f (7)/f (8) ∣ ＜ 2.5
Wherein, f (7) represents the focal length of the 7th lens 7, and f (8) represents the focal length of the 8th lens 8.
Specifically, the 6th lens meet：
1.05 ＜ ∣ R2/R1 ∣ ＜ 2；
Wherein, R1 is used to represent the radius of curvature of 6 first surface of the 6th lens 61, and R2 is used to represent the 6th lens second surface
62 radius of curvature；
8th lens after the 9th lens gluing with meeting：
1.05 ＜ ∣ R5/R3 ∣ ＜ 2.05 and 1.3 ＜ ∣ D/R4 ∣ ＜ 1.85；
Wherein, R3 is used for the radius of curvature for representing the first surface 81 of the 8th lens 8, and R4 is used to represent the 8th the second table of lens
Radius of curvature behind face 82 and the gluing of the 9th lens first surface 91, R5 are used to represent curvature half of the ground with regard to lens second surface 92
Footpath, D are used for the eyeglass overall diameter for representing the second surface of the 8th lens 8.
Specifically, the refractive index of the first lens 1 meets：
1.48 ＜ nd ＜ 1.65；
Wherein, nd is used to represent centre wavelength refractive index.
Specifically, the refractive index of the 9th lens 9 meets：
Nd ＞ 1.8；
Wherein, nd is used to represent centre wavelength refractive index.
Specifically, optical lens assembly F-number is 2.5, the angle of visual field is 95 °.
Embodiment 2
In the present embodiment, optical lens parameter is as follows：Focal length f=4.3,2w=95 ° of visual field, F-number F2.5.
Table 1：
Accompanying drawing 2~4 respectively illustrates the optical indicatrix of micro- distortion big visual field optical lens of high-resolution in the present embodiment,
Wherein：
Fig. 2 is the MTF curve schematic diagram of micro- distortion big visual field optical lens of high-resolution in the present embodiment, and the accompanying drawing represents should
The comprehensive solution of optical lens can be seen that resolution of lens up to 4K level of resolution as level from the accompanying drawing.
Fig. 3 is distortion curve schematic diagram, denotes the big definitely small value of distortion under the present embodiment angle of visual field, is less than
2.5%；In undistorted level.
Fig. 4 is place curve synoptic diagram, it can be seen that optical center and surrounding are evenly distributed.
As can be seen that this camera lens is high-resolution from above-mentioned accompanying drawing 2~4, low distortion, optical distortion ＜ 2.5%.
Obviously, above-described embodiment is only intended to clearly illustrate technical scheme example, and is not
Restriction to embodiments of the present invention.For those of ordinary skill in the field, on the basis of the above description also
It can make other changes in different forms.Any modification for being made within the spirit and principles of the invention, etc.
With replacement and improvement etc., should be included within the protection of the claims in the present invention.
Claims (10)
1. a kind of micro- distortion big visual field optical lens of high-resolution, it is characterised in that including being arranged in order along optical axis by thing side to picture
The first lens with positive light coke of side, the second lens with negative power, the 3rd lens with negative power, with
4th lens of positive light coke, the 5th lens with negative power, the 6th lens with positive light coke, with positive light coke
The 7th lens, the 8th lens with positive light coke and the 9th lens with negative power；
First lens, the second lens and the 3rd concave lens surface are in falcate, and the concave surface is and described second saturating towards image side
Mirror and the 3rd lens have negative power；
4th convex lens surface and the 5th concave lens surface are glued, have a positive light coke, the 4th convex lens surface towards image side,
5th convex lens surface is towards image side；
6th concave lens surface is towards image side；
7th convex lens surface is towards image side；
8th convex lens surface and the 9th concave lens surface are glued, have a positive light coke, the 8th convex lens surface towards image side,
9th convex lens surface is towards image side；
Diaphragm is additionally provided between 5th lens group and the 6th lens；
It is first lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens, the 7th lens, the 8th saturating
Mirror and the 9th optical center of lens are located along the same line.
2. micro- distortion big visual field optical lens of high-resolution according to claim 1, it is characterised in that the 9th lens position
Install satisfaction：
0.12 ＜ BFL/TTL ＜ 0.24；
Wherein, BFL represent on the convex surface of the 9th lens near the image side point to the image side imaging surface distance；
TTL represents the lens assembly optics overall length.
3. micro- distortion big visual field optical lens of high-resolution according to claim 1, it is characterised in that the lens assembly is saturating
Mirror meets：
- 14 ＜ f (2) ＜ -4；
F (3) ＜ -3；
Wherein, f (2) represents second focal length of lens, and f (3) represents the 3rd focal length of lens.
4. it is according to claim 1 it is micro- distortion the big visual field optical lens of high-resolution, it is characterised in that first lens with
Meet between 6th lens：
1.2 ＜ ∣ f (1)/f (6) ∣ ＜ 2；
Wherein, f (1) represents first focal length of lens, and f (6) represents the 6th focal length of lens.
5. it is according to claim 1 it is micro- distortion the big visual field optical lens of high-resolution, it is characterised in that the 4th lens with
5th lens position, which is set, to be met：
1.4 ＜ ∣ f (5)/f (4) ∣ ＜ 2.5；
Wherein, f (4) represents the 4th focal length of lens, and f (5) represents the 5th focal length of lens.
6. it is according to claim 1 it is micro- distortion the big visual field optical lens of high-resolution, it is characterised in that the 7th lens with
Meet between 8th lens：
1.8 ＜ ∣ f (7)/f (8) ∣ ＜ 2.5
Wherein, f (7) represents the 7th focal length of lens, and f (8) represents the 8th focal length of lens.
7. micro- distortion big visual field optical lens of high-resolution according to claim 1, it is characterised in that the 6th lens are expired
Foot：
1.05 ＜ ∣ R2/R1 ∣ ＜ 2；
Wherein, R1 is used to represent the 6th lens first surface radius of curvature, and R2 is used to represent the 6th lens second surface curvature half
Footpath；
8th lens after the 9th lens gluing with meeting：
1.05 ＜ ∣ R5/R3 ∣ ＜ 2.05 and 1.3 ＜ ∣ D/R4 ∣ ＜ 1.85；
Wherein, R3 is used for the radius of curvature for representing the 8th lens first surface, and R4 is used to represent the 8th lens second surface and the
Radius of curvature after nine lens first surface gluings, R5 are used to represent radius of curvature of the ground with regard to lens second surface, and D is used to represent
The eyeglass overall diameter of 8th lens second surface.
8. micro- distortion big visual field optical lens of high-resolution according to claim 1, it is characterised in that the first lens folding
Penetrate rate satisfaction：
1.48 ＜ nd ＜ 1.65；
Wherein, nd is used to represent centre wavelength refractive index.
9. micro- distortion big visual field optical lens of high-resolution according to claim 1, it is characterised in that the 9th lens folding
Penetrate rate satisfaction：
Nd ＞ 1.8；
Wherein, nd is used to represent centre wavelength refractive index.
10. micro- distortion big visual field optical lens of high-resolution according to claim 1, it is characterised in that the lens aperture
Number is 2.5, and the angle of visual field is 95 °.
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| CN201711089210.2A CN107608059B (en) | 2017-11-08 | 2017-11-08 | Micro-distortion high-resolution large-view-field optical lens |
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| CN201711089210.2A CN107608059B (en) | 2017-11-08 | 2017-11-08 | Micro-distortion high-resolution large-view-field optical lens |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109164561A (en) * | 2018-11-02 | 2019-01-08 | 广东奥普特科技股份有限公司 | A kind of machine visual lens |
| CN109358408A (en) * | 2018-11-23 | 2019-02-19 | 广东奥普特科技股份有限公司 | A kind of wide operating distance high-resolution machine visual lens of big visual field |
| CN111198430A (en) * | 2018-11-19 | 2020-05-26 | 宁波舜宇车载光学技术有限公司 | Optical lens and imaging apparatus |
| WO2020199573A1 (en) * | 2019-04-02 | 2020-10-08 | 浙江舜宇光学有限公司 | Camera lens group |
| CN113640967A (en) * | 2019-01-28 | 2021-11-12 | 康达智株式会社 | Camera lens |
| WO2022052262A1 (en) * | 2020-09-08 | 2022-03-17 | 诚瑞光学(深圳)有限公司 | Optical camera lens |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4690517A (en) * | 1984-10-09 | 1987-09-01 | Nippon Kogaku K. K. | Retrofocus type wide angle lens |
| US20150362702A1 (en) * | 2014-06-11 | 2015-12-17 | Ability Opto-Electronics Technology Co.Ltd. | Optical image capturing system |
| CN105259645A (en) * | 2015-11-25 | 2016-01-20 | 长春乙天科技有限公司 | Large-view field distortionless scaling objective lens |
| CN107102422A (en) * | 2017-05-09 | 2017-08-29 | 东莞市宇瞳光学科技股份有限公司 | A kind of large aperture ultra-wide angle ultra high-definition zoom lens |
-
2017
- 2017-11-08 CN CN201711089210.2A patent/CN107608059B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4690517A (en) * | 1984-10-09 | 1987-09-01 | Nippon Kogaku K. K. | Retrofocus type wide angle lens |
| US20150362702A1 (en) * | 2014-06-11 | 2015-12-17 | Ability Opto-Electronics Technology Co.Ltd. | Optical image capturing system |
| CN105259645A (en) * | 2015-11-25 | 2016-01-20 | 长春乙天科技有限公司 | Large-view field distortionless scaling objective lens |
| CN107102422A (en) * | 2017-05-09 | 2017-08-29 | 东莞市宇瞳光学科技股份有限公司 | A kind of large aperture ultra-wide angle ultra high-definition zoom lens |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109164561A (en) * | 2018-11-02 | 2019-01-08 | 广东奥普特科技股份有限公司 | A kind of machine visual lens |
| CN109164561B (en) * | 2018-11-02 | 2024-02-20 | 广东奥普特科技股份有限公司 | Machine vision lens |
| CN111198430A (en) * | 2018-11-19 | 2020-05-26 | 宁波舜宇车载光学技术有限公司 | Optical lens and imaging apparatus |
| CN111198430B (en) * | 2018-11-19 | 2022-02-08 | 宁波舜宇车载光学技术有限公司 | Optical lens and imaging apparatus |
| CN109358408A (en) * | 2018-11-23 | 2019-02-19 | 广东奥普特科技股份有限公司 | A kind of wide operating distance high-resolution machine visual lens of big visual field |
| CN109358408B (en) * | 2018-11-23 | 2024-02-13 | 广东奥普特科技股份有限公司 | Large-view-field wide-working-distance high-resolution machine vision lens |
| CN113640967A (en) * | 2019-01-28 | 2021-11-12 | 康达智株式会社 | Camera lens |
| WO2020199573A1 (en) * | 2019-04-02 | 2020-10-08 | 浙江舜宇光学有限公司 | Camera lens group |
| WO2022052262A1 (en) * | 2020-09-08 | 2022-03-17 | 诚瑞光学(深圳)有限公司 | Optical camera lens |
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