CN203573017U - High-definition wide-angle lens - Google Patents
High-definition wide-angle lens Download PDFInfo
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- CN203573017U CN203573017U CN201320070033.4U CN201320070033U CN203573017U CN 203573017 U CN203573017 U CN 203573017U CN 201320070033 U CN201320070033 U CN 201320070033U CN 203573017 U CN203573017 U CN 203573017U
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- lens
- lens element
- high definition
- angle
- definition wide
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Abstract
The utility model discloses a high-definition wide-angle lens, and the wide-angle lens is characterized in that the wide-angle lens comprises six lens elements and one diaphragm element. The six lens elements are sequentially arranged from the left to the right and from the object space to the image space. The six lens elements are sequentially a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, and a six lens element. The diaphragm element is located between the fourth lens element and the fifth lens element. The wide-angle lens provided by the utility model is low in cost, is light in weight, is small in size, is compact in structure, is high in resolution, is long in working distance, and is wide in range of working temperature.
Description
Technical field
The utility model relates to a kind of high definition wide-angle lens, be specifically a kind of with low cost, lightweight, size is little, the high definition wide-angle lens of compact conformation, high-resolution and long operating distance and wide operating temperature range.
Background technology
Along with the optimization of rapid emergence, Digital Signal Processing and the network transfer speeds in safety monitoring in this year market promotes, the quality requirements of safety monitoring camera lens is improved greatly to the discriminating from common supervision demand to high definition.Safety monitoring camera lens is general at present adopts 4 to 8 eyeglass compositions, but this wide-angle lens operating distance is shorter, restricted in high low temperature high humidity environment, can not meet customer requirement small size and high performance requirement.For this reason, the operating distance 5,000,000 pixel high definition wide-angle lens long, compact conformation of enterprise development adopt plastic aspherical element technology, with weight reduction, cost and Reducing distortion amount, but its logical optical property a little less than, operating distance BFL is also shorter, and temperature compensation characteristic is not good, cannot meets and in the temperature range of-60 ℃～+ 85 ℃, keep more perfect imaging definition.
Utility model content
The purpose of this utility model be to provide a kind of with low cost, lightweight, size is little, the high definition wide-angle lens of compact conformation, high-resolution and long operating distance and wide operating temperature range.
The purpose of this utility model is achieved through the following technical solutions.
A kind of high definition wide-angle lens, it is characterized in that: described high definition wide-angle lens comprises six lens elements and an aperture member, six lens elements are set gradually to image space by object space from left to right, six lens elements are respectively first lens element, the second lens element, the 3rd lens element, the 4th lens element, the 5th lens element, the 6th lens element, and aperture member is between the 4th and the 5th lens element.
Described first lens element comprises having negative focal power the protruding curved month type eyeglass to object space; The second lens element comprises biconvex or the plano-convex spheric glass with positive focal power; The 3rd lens element comprises the concave-concave spheric glass with negative focal power; The 4th lens element comprises the biconvex spheric glass with positive focal power; The 5th lens element and the 6th lens element engage and form the lens subassembly with positive light coke, wherein have the 5th lens element of positive light coke front, have the 6th lens element of negative power rear.
Described the 5th lens element image side outermost point to the ratio of the distance of imaging surface and the focal length value of described high definition wide-angle lens between 1.4～1.65.
Described first lens element meets condition formula below:
Nd≥1.6，Vd≥55
Wherein Nd represents the d optical index of first lens element material, and Vd represents the d light Abbe constant of first lens element material.
Described the second lens element meets condition formula below:
1.8≥Nd≥1.6，38≥Vd≥33
Wherein Nd represents the d optical index of the second lens element material, and Vd represents the d light Abbe constant of first lens element material.
Described the 3rd lens element meets condition formula below:
Nd≥1.6，Vd≤40
Wherein Nd represents the d optical index of the 3rd lens element material, and Vd represents the d light Abbe constant of first lens element material.
Described the 4th lens element meets condition formula below:
Nd≥1.7，Vd≥50
Wherein Nd represents the d optical index of the 4th lens element material, and Vd represents the d light Abbe constant of first lens element material.
Described the 5th lens element meets condition formula below:
Nd≥1.55，Vd≥55
Wherein Nd represents the d optical index of the 5th lens element material, and Vd represents the d light Abbe constant of first lens element material.
Described the 6th lens element meets condition formula below:
Nd≥1.83，Vd≤25
Wherein Nd represents the d optical index of the 6th lens element material, and Vd represents the d light Abbe constant of first lens element material.
Described second and the 4th lens be that thick lens and center of lens thickness t and lens focus f meet following relation condition:
0.3≤t/f≤0.5。
Described joint lens are that the 5th group of lens and focal power are that the convex surface on positive light coke composition surface is towards image side.
Described lens construction f-number F#≤2.1.
Described lens construction field angle FOV >=75 °.
Described the 3rd lens unit has certain thickness, for proofreading and correct the curvature of field.
Described first lens unit r1 face wants convex surface to object plane, for control system distortion size.
Described camera lens light field, between the 4th and the 5th lens, is conducive to proofread and correct large aperture zonal aberration.
The utility model compared with prior art has the following advantages.
The utlity model has with low cost, lightweight, size is little, the advantage of compact conformation, high-resolution and long operating distance and wide operating temperature range.
Accompanying drawing explanation
Fig. 1 is the parts decomposition texture schematic diagram of the utility model high definition wide-angle lens.
Embodiment
Below in conjunction with accompanying drawing, the utility model high definition wide-angle lens is described in further detail.
As shown in Figure 1, a kind of high definition wide-angle lens described in the utility model comprises six lens elements and an aperture member, six lens elements are set gradually to image space by object space from left to right, six lens elements are respectively 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, and aperture member 7 is between the 4th and the 5th lens element.
First lens element comprises having negative focal power the protruding curved month type eyeglass to object space; The second lens element comprises biconvex or the plano-convex spheric glass with positive focal power; The 3rd lens element comprises the concave-concave spheric glass with negative focal power; The 4th lens element comprises the biconvex spheric glass with positive focal power; The 5th lens element and the 6th lens element engage and form the lens subassembly with positive light coke, wherein have the 5th lens element of positive light coke front, have the 6th lens element of negative power rear.
The 5th lens element image side outermost point to the ratio of the distance of imaging surface and the focal length value of described high definition wide-angle lens between 1.4～1.65.
First lens element meets condition formula below:
Nd≥1.6，Vd≥55
Wherein Nd represents the d optical index of first lens element material, and Vd represents the d light Abbe constant of first lens element material.
The second lens element meets condition formula below:
1.8≥Nd≥1.6，38≥Vd≥33
Wherein Nd represents the d optical index of the second lens element material, and Vd represents the d light Abbe constant of first lens element material.
The 3rd lens element meets condition formula below:
Nd≥1.6，Vd≤40
Wherein Nd represents the d optical index of the 3rd lens element material, and Vd represents the d light Abbe constant of first lens element material.
The 4th lens element meets condition formula below:
Nd≥1.7，Vd≥50
Wherein Nd represents the d optical index of the 4th lens element material, and Vd represents the d light Abbe constant of first lens element material.
The 5th lens element meets condition formula below:
Nd≥1.55，Vd≥55
Wherein Nd represents the d optical index of the 5th lens element material, and Vd represents the d light Abbe constant of first lens element material.
The 6th lens element meets condition formula below:
Nd≥1.83，Vd≤25
Wherein Nd represents the d optical index of the 6th lens element material, and Vd represents the d light Abbe constant of first lens element material.
Second and the 4th lens be that thick lens and center of lens thickness t and lens focus f meet following relation condition:
0.3≤t/f≤0.5。
Engaging lens is that the 5th group of lens and focal power are that the convex surface on positive light coke composition surface is towards image side.
Lens construction f-number F#≤2.1.
Lens construction field angle FOV >=75 °.
The 3rd lens unit has certain thickness, for proofreading and correct the curvature of field.
First lens unit r1 face wants convex surface to object plane, for control system distortion size.
Camera lens light field, between the 4th and the 5th lens, is conducive to proofread and correct large aperture zonal aberration.
Claims (15)
1. a high definition wide-angle lens, it is characterized in that: described high definition wide-angle lens comprises six lens elements and an aperture member, six lens elements are set gradually to image space by object space from left to right, six lens elements are respectively first lens element, the second lens element, the 3rd lens element, the 4th lens element, the 5th lens element, the 6th lens element, and aperture member is between the 4th and the 5th lens element.
2. high definition wide-angle lens according to claim 1, is characterized in that: described first lens element comprises having negative focal power the protruding curved month type eyeglass to object space; The second lens element comprises biconvex or the plano-convex spheric glass with positive focal power; The 3rd lens element comprises the concave-concave spheric glass with negative focal power; The 4th lens element comprises the biconvex spheric glass with positive focal power; The 5th lens element and the 6th lens element engage and form the lens subassembly with positive light coke, wherein have the 5th lens element of positive light coke front, have the 6th lens element of negative power rear.
3. high definition wide-angle lens according to claim 2, is characterized in that: described the 5th lens element image side outermost point to the ratio of the distance of imaging surface and the focal length value of described high definition wide-angle lens between 1.4～1.65.
4. high definition wide-angle lens according to claim 1, is characterized in that: described first lens element meets condition formula below:
Nd≥1.6，Vd≥55
Wherein Nd represents the d optical index of first lens element material, and Vd represents the d light Abbe constant of first lens element material.
5. high definition wide-angle lens according to claim 1, is characterized in that: described the second lens element meets condition formula below:
1.8≥Nd≥1.6，38≥Vd≥33
Wherein Nd represents the d optical index of the second lens element material, and Vd represents the d light Abbe constant of first lens element material.
6. high definition wide-angle lens according to claim 1, is characterized in that: described the 3rd lens element meets condition formula below:
Nd≥1.6，Vd≤40
Wherein Nd represents the d optical index of the 3rd lens element material, and Vd represents the d light Abbe constant of first lens element material.
7. high definition wide-angle lens according to claim 1, is characterized in that: described the 4th lens element meets condition formula below:
Nd≥1.7，Vd≥50
Wherein Nd represents the d optical index of the 4th lens element material, and Vd represents the d light Abbe constant of first lens element material.
8. high definition wide-angle lens according to claim 1, is characterized in that: described the 5th lens element meets condition formula below:
Nd≥1.55，Vd≥55
Wherein Nd represents the d optical index of the 5th lens element material, and Vd represents the d light Abbe constant of first lens element material.
9. high definition wide-angle lens according to claim 1, is characterized in that: described the 6th lens element meets condition formula below:
Nd≥1.83，Vd≤25
Wherein Nd represents the d optical index of the 6th lens element material, and Vd represents the d light Abbe constant of first lens element material.
10. high definition wide-angle lens according to claim 1, is characterized in that: described second and the 4th lens be that thick lens and center of lens thickness t and lens focus f meet following relation condition:
0.3≤t/f≤0.5。
11. high definition wide-angle lens according to claim 1, is characterized in that: described lens construction f-number F#≤2.1.
12. high definition wide-angle lens according to claim 1, is characterized in that: described lens construction field angle FOV >=75 °.
13. high definition wide-angle lens according to claim 2, is characterized in that: described the 3rd lens unit has certain thickness, for proofreading and correct the curvature of field.
14. high definition wide-angle lens according to claim 2, is characterized in that: described first lens unit r1 face wants convex surface to object plane, for control system distortion size.
15. high definition wide-angle lens according to claim 1, is characterized in that: described camera lens light field, between the 4th and the 5th lens, is conducive to proofread and correct large aperture zonal aberration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320070033.4U CN203573017U (en) | 2012-04-18 | 2013-02-07 | High-definition wide-angle lens |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220168295.X | 2012-04-18 | ||
| CN201220168295 | 2012-04-18 | ||
| CN201320070033.4U CN203573017U (en) | 2012-04-18 | 2013-02-07 | High-definition wide-angle lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203573017U true CN203573017U (en) | 2014-04-30 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100481276A Pending CN103217783A (en) | 2012-04-18 | 2013-02-07 | High-definition wide-angle lens |
| CN201320070033.4U Expired - Fee Related CN203573017U (en) | 2012-04-18 | 2013-02-07 | High-definition wide-angle lens |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100481276A Pending CN103217783A (en) | 2012-04-18 | 2013-02-07 | High-definition wide-angle lens |
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| CN (2) | CN103217783A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103217783A (en) * | 2012-04-18 | 2013-07-24 | 舜宇光学(中山)有限公司 | High-definition wide-angle lens |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104516094B (en) * | 2013-10-03 | 2017-04-12 | 光燿科技股份有限公司 | Wide angle optical lens system |
| CN103576296B (en) * | 2013-10-30 | 2015-10-28 | 浙江舜宇光学有限公司 | A kind of pick-up lens |
| CN103558678A (en) * | 2013-11-06 | 2014-02-05 | 张少军 | High-definition wide-angle lens |
| CN109324397B (en) * | 2017-07-31 | 2021-07-09 | 宁波舜宇车载光学技术有限公司 | Optical lens |
| CN109324386A (en) * | 2017-07-31 | 2019-02-12 | 宁波舜宇车载光学技术有限公司 | Optical lens |
| CN107632373B (en) * | 2017-11-07 | 2019-03-08 | 嘉兴中润光学科技有限公司 | Skin test micro-lens |
| CN109975950B (en) * | 2017-12-27 | 2021-06-04 | 宁波舜宇车载光学技术有限公司 | Optical lens |
| CN112083552B (en) * | 2020-08-28 | 2022-07-15 | 福建福光股份有限公司 | 2.8mm wide-angle day and night confocal lens |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5543970A (en) * | 1990-04-11 | 1996-08-06 | Minolta Camera Kabushiki Kaisha | Zoom lens system |
| JP3563848B2 (en) * | 1995-11-29 | 2004-09-08 | オリンパス株式会社 | Zoom lens |
| JPH116958A (en) * | 1997-06-16 | 1999-01-12 | Minolta Co Ltd | Zoom lens |
| JP5320163B2 (en) * | 2009-05-26 | 2013-10-23 | 富士フイルム株式会社 | Imaging lens and imaging apparatus |
| CN103217783A (en) * | 2012-04-18 | 2013-07-24 | 舜宇光学(中山)有限公司 | High-definition wide-angle lens |
-
2013
- 2013-02-07 CN CN2013100481276A patent/CN103217783A/en active Pending
- 2013-02-07 CN CN201320070033.4U patent/CN203573017U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103217783A (en) * | 2012-04-18 | 2013-07-24 | 舜宇光学(中山)有限公司 | High-definition wide-angle lens |
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| Publication number | Publication date |
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| CN103217783A (en) | 2013-07-24 |
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Legal Events
| 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: 20140430 Termination date: 20160207 |