CN209014799U - A kind of black light wide-angle tight shot of super large light passing amount - Google Patents
A kind of black light wide-angle tight shot of super large light passing amount Download PDFInfo
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- CN209014799U CN209014799U CN201821852706.0U CN201821852706U CN209014799U CN 209014799 U CN209014799 U CN 209014799U CN 201821852706 U CN201821852706 U CN 201821852706U CN 209014799 U CN209014799 U CN 209014799U
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Abstract
A kind of black light wide-angle tight shot of super large light passing amount, the first lens with negative power including being arranged successively along optical axis from object space to image space, the second lens with negative power, the third lens with positive light coke, the 4th lens with positive light coke, the 5th lens, the 6th lens with positive light coke, the 7th lens, the 8th lens with negative power and the 9th lens with positive light coke with positive light coke with negative power.The utility model can reach 4MP resolution ratio, F0.8 maximum ring, 1/2.7 " the maximum 130 ° of field angles of image planes and optics overall length are less than the indexs such as 35mm; are provided simultaneously with temperature compensation function; i.e. using coke is not run in the environment of -30 °~+80 °, meet the security protection video recording needs in black light environment.
Description
Technical field
The utility model relates to lens technology field more particularly to a kind of black light wide-angle tight shots of super large light passing amount.
Background technique
Since safety monitoring needs all-weather uninterruptedly to carry out, it is therefore desirable to good picture not only can be presented on daytime,
It is also required to present clearly bright image under low-light and night environment, and brightness of image is determined by two factors, one
Lens aperture size, one be imaging sensor photoperceptivity.SENSOR producer is proposed a kind of 1/1.2.7 " at present
It is low to shine the good imaging sensor of performance, it is compared to imaging sensor common at present and increases single pixel area, possess
Preferably by light ability.However, also seldom with the matched tight shot of the SENSOR on the market at present, most of FNO exists
Between F1.0~2.0.Therefore the F0.8 black light wide-angle tight shot for developing a super large light passing just seems necessary.
Summary of the invention
The utility model provides a kind of black light wide-angle tight shot of super large light passing amount, overcome it is in the prior art not
Foot, can provide more visible image under black light environment.
In order to solve the above-mentioned technical problem, technical solution adopted in the utility model are as follows:
A kind of black light wide-angle tight shot of super large light passing amount, including having along optical axis from what object space to image space was arranged successively
First lens of negative power, the third lens with positive light coke, have positive light coke at the second lens with negative power
The 4th lens, the 5th lens with negative power, the 6th lens with positive light coke, the with positive light coke the 7th thoroughly
Mirror, the 8th lens with negative power and the 9th lens with positive light coke, second lens, the third lens and the 7th
Lens meet following conditional with entire camera lens respectively:
3<∣f2/f∣<6；
3<∣f3/f∣<5；
2<∣f7/f∣<5；
Wherein, f is the focal length of entire camera lens, and f2, f3 and f7 respectively correspond the second lens, the third lens and the 7th lens
Focal length.
Further, second lens and the 7th lens meet following conditional with entire camera lens respectively:
3.5<∣f2/f∣<6；
∣ < 5 3.5 < ∣ f7/f,
Wherein, f is the focal length of entire camera lens, and f2 and f7 respectively correspond the focal length of the second lens and the 7th lens.
Preferably, first lens, the third lens, the 4th lens, the 5th lens and the 6th lens are respectively glass marble
Face lens, second lens, the 7th lens, the 8th lens, the 9th lens are plastic aspheric lens.
Preferably, common gluing forms the first balsaming lens in order for the 4th lens, the 5th lens and the 6th lens.
Further, first lens to the 9th lens meet following condition:
| F1=-15~-5 | N1=1.7~2.1 |
| F2=-20~-13 | N2=1.55~1.75 |
| F3=9~18 | N3=1.7~2.1 |
| F4=10~18 | N4=1.7~2.1 |
| F5=-18~-4 | N5=1.7~2.1 |
| F6=12~19 | N6=1.43~1.7 |
| F7=12~18 | N7=1.43~1.7 |
| F8=-40~-12 | N8=1.53~1.7 |
| F9=13~21 | N8=1.43~1.7 |
Wherein, f1 to f9 has respectively represented the focal length of lens of the first lens to the 9th lens in order；N1 to n9 is in order
The refractive index of the first lens to the 9th lens is respectively represented.
Preferably, described first thoroughly, is biconcave lens, and second lens are concave-convex lens, and the third lens are double
Convex lens, the 4th lens are biconvex lens, and the 5th lens are biconcave lens, and the 6th lens are biconvex lens,
7th lens are biconvex lens, and the 8th lens are concave-convex lens, and the 9th lens are biconvex lens.
Preferably, first lens are meniscus, and second lens are concave-convex lens, and the third lens are double
Convex lens, the 4th lens are biconvex lens, and the 5th lens are biconcave lens, and the 6th lens are biconvex lens,
7th lens are biconvex lens, and the 8th lens are concave-convex lens, and the 9th lens are biconvex lens.
Preferably, first lens are directly abutted against with second lens, second lens and the third lens
By spacer ring close-fitting, the third lens and the 4th lens are by spacer ring close-fitting, the 4th lens, the 5th lens and the
Six eyeglasses by optics glue bond, the 6th lens and the 7th lens by spacer ring close-fitting, the 7th lens with
8th lens are directly abutted against, and the 8th lens are abutted with the 9th lens by spacer ring.
The present invention uses 9 optical textures of 5 sheet glass spherical lenses and 4 plastic aspheric lens, can reach 4MP
Resolution ratio, F0.8 maximum ring, 1/2.7 " the maximum 130 ° of field angles of image planes and optics overall length be less than the indexs such as 35mm, simultaneously
Have temperature compensation function, i.e., using coke is not run in the environment of -30 °~+80 °, meets the security protection record in black light environment
As needing.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the black light wide-angle tight shot embodiment one of super large light passing amount of the utility model；
Fig. 2 is a kind of structural schematic diagram of the black light wide-angle tight shot embodiment two of super large light passing amount of the utility model.
Specific embodiment
With reference to the accompanying drawing, the embodiments of the present invention is specifically illustrated, attached drawing is only for reference and illustrates use, not structure
The limitation of pairs of the utility model patent protection scope.
Embodiment one: as shown in Figure 1, a kind of black light wide-angle tight shot of super large light passing amount, including along optical axis from object space
The first lens 1 with negative power for being arranged successively to image space, have positive light coke at the second lens 2 with negative power
The third lens 3, the 4th lens 4 with positive light coke, the 5th lens 5 with negative power, with positive light coke
Six lens 6, the 7th lens 7 with positive light coke, the 8th lens 8 with negative power and the with positive light coke the 9th are thoroughly
Mirror 9, second lens 2, the third lens 3 and the 7th lens 7 meet following conditional with entire camera lens respectively:
3<∣f2/f∣<6；
3<∣f3/f∣<5；
2<∣f7/f∣<5；
Wherein, f is the focal length of entire camera lens, and f2, f3 and f7 respectively correspond the second lens 2, the third lens 3 and the 7th lens
7 focal length.
In the present embodiment, common gluing forms the first glue in order for the 4th lens 4, the 5th lens 5 and the 6th lens 6
Close lens.
In the present embodiment, diaphragm 34 is provided between the third lens 3 and the 4th lens 4, first lens 1 are that concave-concave is saturating
Mirror, second lens 2 are concave-convex lens, and the third lens 3 are biconvex lens, and the 4th lens 4 are biconvex lens, institute
Stating the 5th lens 5 is biconcave lens, and the 6th lens 6 are biconvex lens, and the 7th lens 7 are biconvex lens, described the
Eight lens 8 are concave-convex lens, and the 9th lens 9 are biconvex lens, and specifically, 1 to the 9th lens 9 of the first lens meet
Following condition:
| F1=-15~-5 | N1=1.7~2.1 | R1=-200~-50 | R2=6~10.1 |
| F2=-20~-13 | N2=1.55~1.75 | R3=-6~-3.1 | R4=-10~-4.5 |
| F3=10~18 | N3=1.7~2.1 | R5=15~50 | R6=-40~-10 |
| F4=10~18 | N4=1.7~2.1 | R7=10~19.7 | R8=-150~-50 |
| F5=-8~-18 | N5=1.7~2.1 | R9=-150~-50 | R10=5~20 |
| F6=12~19 | N6=1.43~1.7 | R11=5~20 | R12=-150~-30 |
| F7=12~18 | N7=1.43~1.7 | R13=6~20 | R14=-50~-20 |
| F8=-40~-12 | N8=1.53~1.7 | R15=-6.5~-3.3 | R16=-10~-3 |
| F9=13~20 | N8=1.43~1.7 | R17=5.3~16.5 | R18=-150~-60 |
Wherein, f1 to f9 has respectively represented the focal length of lens of the first lens to the 9th lens in order；N1 to n9 is in order
The refractive index of the first lens to the 9th lens is respectively represented.R1, R3, R5, R7, R9, R11, R13, R15 and R17 divide in order
Do not represent radius of curvature of first lens to the 9th lens towards object space side centre of surface, R2, R4, R6, R8, R10, R12,
R14, R16 and R18 have respectively represented radius of curvature of first lens to the 8th lens towards image space side centre of surface in order,
"-" represents direction and is negative.
In the present embodiment, first lens 1, the third lens 3, the 4th lens 4, the 5th lens 5 and the 6th lens 6 difference
For glass spherical lens, second lens 2, the 7th lens 7, the 8th lens 8, the 9th lens 9 are plastic aspheric lens.
Second lens, the 7th lens, the 8th lens and the 9th lens are respectively plastic aspheric lens, each mirror
Face meets following equation:
R represents radial coordinate, and unit is identical as length of lens unit, and c is curvature corresponding to surface central radius, c=
1/R, K are circular cone whose conic coefficient, and α 1 to α 8 is high order aspheric surface coefficient.
Specifically, the asphericity coefficient for meeting above-mentioned aspherical equation formula is as follows:
In the present embodiment, the optical physics parameter of the first lens to the 9th lens is as follows:
| Face serial number | Face type | R(mm) | D(mm) | nd | K value |
| S1 | Spherical surface | -96 | 0.69 | 1.73 | |
| S2 | Spherical surface | 8.9 | 3.48 | ||
| S3 | It is aspherical | -3.6 | 1.58 | 1.64 | -0.4 |
| S4 | It is aspherical | -6.2 | 0.08 | -2 | |
| S5 | Spherical surface | 45 | 3.28 | 2.1 | |
| S6 | Spherical surface | -26 | 0.93 | ||
| Diaphragm | Plane | PL | 1.58 | ||
| S7 | Spherical surface | 15.9 | 3.27 | 1.9 | |
| S8 | Spherical surface | -91.1 | 0.84 | 1.95 | |
| S9 | Spherical surface | 10.8 | 4.11 | 1.55 | |
| S10 | Spherical surface | -34.24 | 0.08 | ||
| S11 | It is aspherical | 9.65 | 3.84 | 1.55 | -0.9 |
| S12 | It is aspherical | -22.8 | 1.65 | -30 | |
| S13 | It is aspherical | -3.27 | 1.3 | 1.65 | -4 |
| S14 | It is aspherical | -5.12 | 0.07 | -5.39 | |
| S15 | It is aspherical | 8.04 | 2.98 | 1.55 | -13 |
| S16 | It is aspherical | -128 | -50 |
Wherein, R is surface central radius size, and D is to correspond to optical surface to next optical surface in the distance on optical axis；
Nd corresponds to the refractive index of d light (wavelength 587nm)；K value is aspherical circular cone whose conic coefficient；S1 and S2 is the first lens 1
Object side surface and image interface, S3 and S4 be the object side surface and image interface of the second lens 2, S5 and S6 are the third lens 3
Object side surface and image interface, diaphragm be diaphragm where plane；S7 is the object side surface of the first balsaming lens, and S8 is the first glue
The cemented surface of the 4th lens and the 5th lens in lens is closed, S9 is the gluing of the 5th lens and the 6th lens in the first balsaming lens
Face, S10 are the image interface of the first balsaming lens；S11 and S12 is the object side surface and image interface of the 7th lens 7；S13 and
S14 is the object side surface and image interface of the 8th lens 8；S15 and S16 is the object side surface and image interface of the 9th lens 9.
Embodiment two: as shown in Fig. 2, in order to realize bigger field angle, specifically, the first lens 1 are meniscus, institute
Stating the second lens 2 is concave-convex lens, and the third lens 3 are biconvex lens, and the 4th lens 4 are biconvex lens, described the
Five lens 5 are biconcave lens, and the 6th lens 6 are biconvex lens, and the 7th lens 7 are biconvex lens, and the described 8th thoroughly
Mirror 8 is concave-convex lens, and the 9th lens 9 are biconvex lens, is provided with diaphragm 34 between the third lens 3 and the 4th lens 4.
Compared with embodiment one, second lens 2 and the 7th lens 7 meet following conditional with entire camera lens respectively:
3.5<∣f2/f∣<6；
3.5<∣f7/f∣<5。
Compared with embodiment one, 1 to the 9th lens 9 of the first lens meet following condition:
| F1=-11~-5 | N1=1.7~2.1 | R1=50~320 | R2=3.1~6.1 |
| F2=-20~-13 | N2=1.55~1.75 | R3=-8.9~-3.1 | R4=-10~-4.5 |
| F3=10~15 | N3=1.7~2.1 | R5=5~50 | R6=-40~-10 |
| F4=9~14 | N4=1.7~2.1 | R7=5.5~19.7 | R8=-50~-30 |
| F5=-4~-8 | N5=1.7~2.1 | R9=-50~-30 | R10=5~20 |
| F6=12~16 | N6=1.43~1.7 | R11=5~20 | R12=150~∞ |
| F7=13~18 | N7=1.43~1.7 | R13=6~20 | R14=-70~-25 |
| F8=-40~-22 | N8=1.53~1.7 | R15=-16.5~-5.3 | R16=-30~-10 |
| F9=15~21 | N8=1.43~1.7 | R17=5.3~16.5 | R18=-100~-30 |
Compared with embodiment one, similarly, the second lens, the 7th lens, the 8th lens and the 9th lens are respectively plastics
Non-spherical lens equally meets above-mentioned aspherical equation, but specific asphericity coefficient changes, specific as follows shown:
In the present embodiment, the optical physics parameter of the first lens to the 9th lens is as follows:
The specific assembling structure of the camera lens of embodiment one and two is as follows: first lens and second lens are directly tight
It leans on, by spacer ring close-fitting, the third lens pass through spacer ring with the 4th lens for second lens and the third lens
Close-fitting, by optics glue bond, the 6th lens are saturating with the described 7th for the 4th lens, the 5th lens and the 6th eyeglass
Mirror is directly abutted against by spacer ring close-fitting, the 7th lens with the 8th lens, the 8th lens and the 9th lens
It is abutted by spacer ring.
Above disclosed is only the preferred embodiment of the utility model, and the right of the utility model cannot be limited with this
Protection scope, therefore equivalent variations made according to the patent scope of the utility model still belong to the model that the utility model is covered
It encloses.
Claims (8)
1. a kind of black light wide-angle tight shot of super large light passing amount, which is characterized in that including along optical axis from object space to image space successively
The first lens with negative power, the second lens with negative power, the third lens with positive light coke, the tool of arrangement
There are the 4th lens of positive light coke, the 5th lens with negative power, the 6th lens with positive light coke, there is positive light focus
The 7th lens, the 8th lens with negative power and the 9th lens with positive light coke of degree, second lens, third
Lens and the 7th lens meet following conditional with entire camera lens respectively:
3<∣f2/f∣<6；
3<∣f3/f∣<5；
2<∣f7/f∣<5；
Wherein, f is the focal length of entire camera lens, and f2, f3 and f7 respectively correspond the coke of the second lens, the third lens and the 7th lens
Away from.
2. a kind of black light wide-angle tight shot of super large light passing amount according to claim 1, which is characterized in that described second
Lens and the 7th lens meet following conditional with entire camera lens respectively:
3.5<∣f2/f∣<6；
∣ < 5 3.5 < ∣ f7/f,
Wherein, f is the focal length of entire camera lens, and f2 and f7 respectively correspond the focal length of the second lens and the 7th lens.
3. a kind of black light wide-angle tight shot of super large light passing amount according to claim 1, it is characterised in that: described first
Lens, the third lens, the 4th lens, the 5th lens and the 6th lens are respectively glass spherical lens, second lens, the 7th
Lens, the 8th lens, the 9th lens are plastic aspheric lens.
4. a kind of black light wide-angle tight shot of super large light passing amount according to claim 1, it is characterised in that: the described 4th
Common gluing forms the first balsaming lens in order for lens, the 5th lens and the 6th lens.
5. a kind of black light wide-angle tight shot of super large light passing amount according to claim 1, which is characterized in that described first
Lens to the 9th lens meet following condition:
Wherein, f1 to f9 has respectively represented the focal length of lens of the first lens to the 9th lens in order；N1 to n9 distinguishes in order
Represent the refractive index of the first lens to the 9th lens.
6. a kind of black light wide-angle tight shot of super large light passing amount according to claim 1, it is characterised in that: described first
Lens are biconcave lens, and second lens are concave-convex lens, and the third lens are biconvex lens, and the 4th lens are double
Convex lens, the 5th lens are biconcave lens, and the 6th lens are biconvex lens, and the 7th lens are biconvex lens,
8th lens are concave-convex lens, and the 9th lens are biconvex lens.
7. a kind of black light wide-angle tight shot of super large light passing amount according to claim 2, it is characterised in that: described first
Lens are meniscus, and second lens are concave-convex lens, and the third lens are biconvex lens, and the 4th lens are double
Convex lens, the 5th lens are biconcave lens, and the 6th lens are biconvex lens, and the 7th lens are biconvex lens,
8th lens are concave-convex lens, and the 9th lens are biconvex lens.
8. a kind of black light wide-angle tight shot of super large light passing amount according to claim 1 or 2, it is characterised in that: described
First lens are directly abutted against with second lens, and second lens and the third lens are by spacer ring close-fitting, and described the
By spacer ring close-fitting, the 4th lens, the 5th lens and the 6th eyeglass pass through optical cement for three lens and the 4th lens
By spacer ring close-fitting, the 7th lens and the 8th lens are directly tight for bonding, the 6th lens and the 7th lens
It leans on, the 8th lens are abutted with the 9th lens by spacer ring.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109188657A (en) * | 2018-11-09 | 2019-01-11 | 东莞市宇瞳光学科技股份有限公司 | A kind of black light wide-angle tight shot of super large light passing amount |
| CN112327452A (en) * | 2020-11-19 | 2021-02-05 | 东莞市宇瞳光学科技股份有限公司 | Ultrashort 4K black light prime lens |
| CN113031204A (en) * | 2019-12-09 | 2021-06-25 | 凤凰光学股份有限公司 | High-resolution low-distortion easily-processed optical lens |
| CN113126265A (en) * | 2021-05-21 | 2021-07-16 | 舜宇光学(中山)有限公司 | Fixed focus lens |
| CN115494627A (en) * | 2022-09-27 | 2022-12-20 | 舜宇光学(中山)有限公司 | Fixed focus lens |
-
2018
- 2018-11-09 CN CN201821852706.0U patent/CN209014799U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109188657A (en) * | 2018-11-09 | 2019-01-11 | 东莞市宇瞳光学科技股份有限公司 | A kind of black light wide-angle tight shot of super large light passing amount |
| CN109188657B (en) * | 2018-11-09 | 2024-05-14 | 东莞市宇瞳光学科技股份有限公司 | Black light wide-angle prime lens with ultra-large light quantity |
| CN113031204A (en) * | 2019-12-09 | 2021-06-25 | 凤凰光学股份有限公司 | High-resolution low-distortion easily-processed optical lens |
| CN112327452A (en) * | 2020-11-19 | 2021-02-05 | 东莞市宇瞳光学科技股份有限公司 | Ultrashort 4K black light prime lens |
| CN113126265A (en) * | 2021-05-21 | 2021-07-16 | 舜宇光学(中山)有限公司 | Fixed focus lens |
| CN115494627A (en) * | 2022-09-27 | 2022-12-20 | 舜宇光学(中山)有限公司 | Fixed focus lens |
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