CN204009204U - A kind of bugeye lens - Google Patents
A kind of bugeye lens Download PDFInfo
- Publication number
- CN204009204U CN204009204U CN201420296279.8U CN201420296279U CN204009204U CN 204009204 U CN204009204 U CN 204009204U CN 201420296279 U CN201420296279 U CN 201420296279U CN 204009204 U CN204009204 U CN 204009204U
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- lens element
- lens
- represent
- bugeye
- eyeglass
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Abstract
A kind of bugeye lens, comprise starting to be provided with successively from object space and there is negative power the protruding concave-convex first lens element to object space, there is negative power protruding concave-convex the second lens element to object space, there is positive light coke the protruding concave-convex to image space the 3rd lens element, there is positive light coke the protruding concave-convex to image space the 4th lens element, there is positive light coke protruding concave-convex eyeglass the 5th lens element to image space, there is lenticular eyeglass the 6th lens element of positive light coke, there is negative power the recessed concave-convex to object space the 7th lens element and lenticular the 8th lens element with positive light coke, described the 6th lens element and the 7th lens element composition gummed eyeglass, between described the 4th lens element and the 5th lens element, be provided with diaphragm sheet.Described first lens element, the second lens element, the 3rd lens element, the 4th lens element, the 5th lens element, the 6th lens element, the 7th lens element and the 8th lens element are glass spherical mirror.
Description
Technical field
The utility model relates to a kind of camera lens, relates in particular to a kind of wide-angle lens.
Background technology
Nowadays watch-dog has been the equipment that is extensively present in streets and lanes, for the police and citizen provide necessary video evidence.In watch-dog, the general wide-angle lens of installing can cover enough large scope first time, and this just requires the visual angle of camera lens large.Meanwhile, watch-dog also requires the resolution of camera lens enough high, and the picture of shooting can be clear.
Utility model content
Technical problem underlying to be solved in the utility model is to provide a kind of wide-angle lens, and horizontal view angle can reach more than 192 °, and resolution can reach 1,000 ten thousand pixels.
In order to solve above-mentioned technical matters, the utility model provides a kind of bugeye lens, comprises from object space and starts to be provided with successively first lens element, the second lens element, the 3rd lens element, the 4th lens element, the 5th lens element, the 6th lens element, the 7th lens element and the 8th lens element;
Described first lens element is to have negative power the protruding concave-convex eyeglass to object space;
Described the second lens element is to have negative power the protruding concave-convex eyeglass to object space;
Described the 3rd lens element is to have positive light coke the protruding concave-convex eyeglass to image space;
Described the 4th lens element is to have positive light coke the protruding concave-convex eyeglass to image space;
Described the 5th lens element is to have positive light coke the protruding concave-convex eyeglass to image space;
Described the 6th lens element is the lenticular eyeglass with positive light coke;
Described the 7th lens element is to have negative power the recessed concave-convex eyeglass to object space;
Described the 8th lens element is the lenticular eyeglass with positive light coke;
Described the 6th lens element and the 7th lens element composition gummed eyeglass;
Between described the 4th lens element and the 5th lens element, be provided with diaphragm sheet;
Described first lens element, the second lens element, the 3rd lens element, the 4th lens element, the 5th lens element, the 6th lens element, the 7th lens element and the 8th lens element are glass spherical mirror.
In a preferred embodiment: 1.54≤Nd
1≤ 1.74,59.6≤Vd
1≤ 60.6;
Wherein represent Nd
1the d optical index of first lens element, Vd
1represent the d light Abbe constant of first lens element;
In a preferred embodiment: described the second lens element meets: 1.705≤Nd
2≤ 1.905,24.86≤Vd
2≤ 25.86;
Wherein represent Nd
2the d optical index of the second lens element, Vd
2represent the d light Abbe constant of the second lens element;
In a preferred embodiment: described the 3rd lens element meets: 1.551≤Nd
3≤ 1.751,58.02≤Vd
3≤ 59.02;
Wherein represent Nd
3the d optical index of the 3rd lens element, Vd
3represent the d light Abbe constant of the 3rd lens element;
In a preferred embodiment: described the 4th lens element meets: 1.596≤Nd
4≤ 1.796,54.9≤Vd
4≤ 55.9;
Wherein Nd
4represent the d optical index of the 4th lens element, Vd
4represent the d light Abbe constant of the 4th lens element;
In a preferred embodiment: described the 5th lens element meets: 1.55≤Nd
5≤ 1.75,58.02≤Vd
5≤ 59.02;
Wherein Nd
5represent the d optical index of the 5th lens element, Vd
5represent the d light Abbe constant of the 5th lens element;
In a preferred embodiment: described the 6th lens element meets: 1.822≤Nd
6≤ 2.022,20.38≤Vd
6≤ 21.38;
Wherein Nd
6represent the d optical index of the 6th lens element, Vd
6represent the d light Abbe constant of the 6th lens element;
In a preferred embodiment: described the 7th lens element meets: 1.416≤Nd
7≤ 1.616,63.67≤Vd
7≤ 64.67;
Wherein Nd
7represent the d optical index of the 7th lens element, Vd
7represent the d light Abbe constant of the 7th lens element;
In a preferred embodiment: described the 8th lens element meets: 1.416≤Nd
8≤ 1.616,63.67≤Vd
8≤ 64.67;
Wherein Nd
8represent the d optical index of the 8th lens element, Vd
8represent the d light Abbe constant of the 8th lens element;
In a preferred embodiment: described camera lens also meets: FOV >=180 °, horizontal field of view angle, image height >=4.8mm.
Compared to prior art, the technical scheme that the utility model provides possesses following beneficial effect:
1. camera lens provided by the utility model horizontal view angle, more than 192 °, is a wide-angle lens.
2. camera lens provided by the utility model all adopts the design of glass spherical mirror, and temperature tolerance and stability are all very strong.
3. more than camera lens image height provided by the utility model can reach 4.8mm, thereby CCD that can adaptive 1/2 inch reaches the resolution of 1,000 ten thousand pixels, is the camera of a high definition.
Brief description of the drawings
Fig. 1 is the concrete structure figure of bugeye lens in the utility model preferred embodiment;
Fig. 2 is the resolving power MTF curve map of bugeye lens in the utility model preferred embodiment;
Fig. 3 is the resolving power point range figure of bugeye lens in the utility model preferred embodiment;
Fig. 4 is practise physiognomy bending and the distortion figure of bugeye lens in the utility model preferred embodiment;
Fig. 5 is the relative exposure figure of bugeye lens in the utility model preferred embodiment.
Embodiment
Below in conjunction with the drawings and the specific embodiments the utility model is described further.
With reference to figure 1, a kind of bugeye lens, comprises from object space and starts to be provided with successively first lens element 1, the second lens element 2, the 3rd lens element 3, the 4th lens element 4, the 5th lens element 5, the 6th lens element 6, the 7th lens element 7 and the 8th lens element 8;
Described first lens element 1 is for having negative power the protruding concave-convex eyeglass to object space; In the present embodiment, the d optical index Nd of described first lens element 1
1=1.64, d light Abbe constant Vd
1=60.1;
Described the second lens element 2 is for having negative power the protruding concave-convex eyeglass to object space; In the present embodiment, the d optical index Nd of described the second lens element 2
2=1.805, d light Abbe constant Vd
2=25.36;
Described the 3rd lens element 3 is for having positive light coke the protruding concave-convex eyeglass to image space; In the present embodiment, the d optical index Nd of described the 3rd lens element 3
3=1.651, d light Abbe constant Vd
3=58.52;
Described the 4th lens element 4 is for having positive light coke the protruding concave-convex eyeglass to image space; In the present embodiment, the d optical index Nd of described the 4th lens element 4
4=1.696, d light Abbe constant Vd
4=55.4;
Described the 5th lens element 5 is for having positive light coke the protruding concave-convex eyeglass to image space; In the present embodiment, the d optical index Nd of described the 5th lens element 5
5=1.65, d light Abbe constant Vd
5=58.52;
Described the 6th lens element 6 is for having the lenticular eyeglass of positive light coke; In the present embodiment, the d optical index Nd of described the 6th lens element 6
6=1.922, d light Abbe constant Vd
6=20.88;
Described the 7th lens element 7 is for having negative power the recessed concave-convex eyeglass to object space; In the present embodiment, the d optical index Nd of described the 7th lens element 7
7=1.516, d light Abbe constant Vd
6=64.17;
Described the 8th lens element 8 is for having the lenticular eyeglass of positive light coke; In the present embodiment, the d optical index Nd of described the 8th lens element 8
8=1.516, d light Abbe constant Vd
8=64.17;
7 composition gummed eyeglasses of described the 6th lens element 6 and the 7th lens cells;
Between described the 4th lens element 4 and the 5th lens element 5, be provided with diaphragm sheet 9;
Described first lens element 1, the second lens element 2, the 3rd lens element 3, the 4th lens element 4, the 5th lens element 5, the 6th lens element 6, the 7th lens element 7 and the 8th lens element 8 are glass spherical mirror.
According to the bugeye lens of said structure and parameter designing, horizontal field of view angle FOV can reach more than 192 °, more than image height 4.8mm, so the utility model provides a bugeye lens that angle is large, pixel is high, is well suited for using as monitoring camera.
The optical performance curve figure of a kind of bugeye lens that Fig. 2-Fig. 5 provides for the present embodiment, wherein Fig. 2 is resolving power MTF figure, can find out that the camera lens that the present embodiment provides has still kept higher resolving power in the edge at 192 degree visual angles.Fig. 3 is resolving power point range figure, can find out that its RMS radius of camera lens and GEO radius that the present embodiment provides are all smaller, and resolving power is high.Fig. 4 for bending and the distortion figure of practising physiognomy, Fig. 5 be relative exposure figure.As seen from the figure, the full glass wide-angle lens of the one phase area distortion that the present embodiment provides is little, and the relative exposure of whole picture is more even.It is a bugeye lens that image quality is very excellent.
The above, it is only the utility model preferred embodiment, not technical scope of the present utility model is imposed any restrictions, therefore any trickle amendment that every foundation technical spirit of the present utility model is done above example, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (10)
1. a bugeye lens, comprises from object space and starts to be provided with successively first lens element, the second lens element, the 3rd lens element, the 4th lens element, the 5th lens element, the 6th lens element, the 7th lens element and the 8th lens element; It is characterized in that:
Described first lens element is to have negative power the protruding concave-convex eyeglass to object space;
Described the second lens element is to have negative power the protruding concave-convex eyeglass to object space;
Described the 3rd lens element is to have positive light coke the protruding concave-convex eyeglass to image space;
Described the 4th lens element is to have positive light coke the protruding concave-convex eyeglass to image space;
Described the 5th lens element is to have positive light coke the protruding concave-convex eyeglass to image space;
Described the 6th lens element is the lenticular eyeglass with positive light coke;
Described the 7th lens element is to have negative power the recessed concave-convex eyeglass to object space;
Described the 8th lens element is the lenticular eyeglass with positive light coke;
Described the 6th lens element and the 7th lens element composition gummed eyeglass;
Between described the 4th lens element and the 5th lens element, be provided with diaphragm sheet;
Described first lens element, the second lens element, the 3rd lens element, the 4th lens element, the 5th lens element, the 6th lens element, the 7th lens element and the 8th lens element are glass spherical mirror.
2. a kind of bugeye lens according to claim 1, is characterized in that: described first lens element meets: 1.54≤Nd
1≤ 1.74,59.6≤Vd
1≤ 60.6;
Wherein represent Nd
1the d optical index of first lens element, Vd
1represent the d light Abbe constant of first lens element.
3. a kind of bugeye lens according to claim 1, is characterized in that: described the second lens element meets: 1.705≤Nd
2≤ 1.905,24.86≤Vd
2≤ 25.86;
Wherein represent Nd
2the d optical index of the second lens element, Vd
2represent the d light Abbe constant of the second lens element.
4. a kind of bugeye lens according to claim 1, is characterized in that: described the 3rd lens element meets: 1.551≤Nd
3≤ 1.751,58.02≤Vd
3≤ 59.02;
Wherein represent Nd
3the d optical index of the 3rd lens element, Vd
3represent the d light Abbe constant of the 3rd lens element.
5. a kind of bugeye lens according to claim 1, is characterized in that: described the 4th lens element meets: 1.596≤Nd
4≤ 1.796,54.9≤Vd
4≤ 55.9;
Wherein Nd
4represent the d optical index of the 4th lens element, Vd
4represent the d light Abbe constant of the 4th lens element.
6. a kind of bugeye lens according to claim 1, is characterized in that: described the 5th lens element meets: 1.55≤Nd
5≤ 1.75,58.02≤Vd
5≤ 59.02;
Wherein Nd
5represent the d optical index of the 5th lens element, Vd
5represent the d light Abbe constant of the 5th lens element.
7. a kind of bugeye lens according to claim 1, is characterized in that: described the 6th lens element meets: 1.822≤Nd
6≤ 2.022,20.38≤Vd
6≤ 21.38;
Wherein Nd
6represent the d optical index of the 6th lens element, Vd
6represent the d light Abbe constant of the 6th lens element.
8. a kind of bugeye lens according to claim 1, is characterized in that: described the 7th lens element meets: 1.416≤Nd
7≤ 1.616,63.67≤Vd
7≤ 64.67;
Wherein Nd
7represent the d optical index of the 7th lens element, Vd
7represent the d light Abbe constant of the 7th lens element.
9. a kind of bugeye lens according to claim 1, is characterized in that: described the 8th lens element meets: 1.416≤Nd
8≤ 1.616,63.67≤Vd
8≤ 64.67;
Wherein Nd
8represent the d optical index of the 8th lens element, Vd
8represent the d light Abbe constant of the 8th lens element.
10. a kind of bugeye lens according to claim 1, is characterized in that: described camera lens also meets: FOV >=180 °, horizontal field of view angle, image height >=4.8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420296279.8U CN204009204U (en) | 2014-06-05 | 2014-06-05 | A kind of bugeye lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420296279.8U CN204009204U (en) | 2014-06-05 | 2014-06-05 | A kind of bugeye lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204009204U true CN204009204U (en) | 2014-12-10 |
Family
ID=52049182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420296279.8U Expired - Fee Related CN204009204U (en) | 2014-06-05 | 2014-06-05 | A kind of bugeye lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204009204U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403982A (en) * | 2015-12-28 | 2016-03-16 | 中山联合光电科技股份有限公司 | High-image-quality optical imaging lens for unmanned plane aerial photography |
| CN107167898A (en) * | 2017-06-29 | 2017-09-15 | 江西联创电子有限公司 | Fish eye lens |
| CN107272142A (en) * | 2016-04-06 | 2017-10-20 | 三星电机株式会社 | Optical imaging system |
| TWI611208B (en) * | 2016-06-04 | 2018-01-11 | 大立光電股份有限公司 | Photographing optical lens system, image capturing apparatus and electronic device |
| CN107748433A (en) * | 2017-11-24 | 2018-03-02 | 嘉兴中润光学科技有限公司 | Wide-angle interchangeable tight shot |
| 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 |
| CN110609378A (en) * | 2019-08-20 | 2019-12-24 | 江西联创电子有限公司 | Wide-angle lens and imaging apparatus |
| CN110618520A (en) * | 2019-08-20 | 2019-12-27 | 江西联创电子有限公司 | Wide-angle lens and imaging apparatus |
| CN112083554A (en) * | 2020-09-17 | 2020-12-15 | 长光卫星技术有限公司 | Super wide angle low distortion long focus fish eye optical system |
| CN117471656A (en) * | 2023-12-27 | 2024-01-30 | 江西联创电子有限公司 | Optical lens |
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2014
- 2014-06-05 CN CN201420296279.8U patent/CN204009204U/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105403982B (en) * | 2015-12-28 | 2017-12-22 | 中山联合光电科技股份有限公司 | It is a kind of high as matter is used for unmanned plane optical imaging lens |
| CN105403982A (en) * | 2015-12-28 | 2016-03-16 | 中山联合光电科技股份有限公司 | High-image-quality optical imaging lens for unmanned plane aerial photography |
| CN107272142B (en) * | 2016-04-06 | 2020-07-03 | 三星电机株式会社 | Optical imaging system |
| CN107272142A (en) * | 2016-04-06 | 2017-10-20 | 三星电机株式会社 | Optical imaging system |
| US10473899B2 (en) | 2016-04-06 | 2019-11-12 | Samsung Electro-Mechanics Co., Ltd. | Optical imaging system |
| TWI611208B (en) * | 2016-06-04 | 2018-01-11 | 大立光電股份有限公司 | Photographing optical lens system, image capturing apparatus and electronic device |
| CN107167898A (en) * | 2017-06-29 | 2017-09-15 | 江西联创电子有限公司 | Fish eye lens |
| CN107748433A (en) * | 2017-11-24 | 2018-03-02 | 嘉兴中润光学科技有限公司 | Wide-angle interchangeable tight shot |
| 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 |
| CN110609378A (en) * | 2019-08-20 | 2019-12-24 | 江西联创电子有限公司 | Wide-angle lens and imaging apparatus |
| CN110618520A (en) * | 2019-08-20 | 2019-12-27 | 江西联创电子有限公司 | Wide-angle lens and imaging apparatus |
| WO2021031586A1 (en) * | 2019-08-20 | 2021-02-25 | 江西联创电子有限公司 | Wide-angle lens and imaging device |
| WO2021031582A1 (en) * | 2019-08-20 | 2021-02-25 | 江西联创电子有限公司 | Wide-angle lens and imaging device |
| CN110609378B (en) * | 2019-08-20 | 2021-06-25 | 江西联创电子有限公司 | Wide-angle lens and imaging apparatus |
| CN112083554A (en) * | 2020-09-17 | 2020-12-15 | 长光卫星技术有限公司 | Super wide angle low distortion long focus fish eye optical system |
| CN112083554B (en) * | 2020-09-17 | 2021-12-17 | 长光卫星技术有限公司 | Super wide angle low distortion long focus fish eye optical system |
| CN117471656A (en) * | 2023-12-27 | 2024-01-30 | 江西联创电子有限公司 | Optical lens |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20170605 |