CN203658654U - High-definition fog-transmitting lens with high-zoom ratio - Google Patents
High-definition fog-transmitting lens with high-zoom ratio Download PDFInfo
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- CN203658654U CN203658654U CN201320733817.0U CN201320733817U CN203658654U CN 203658654 U CN203658654 U CN 203658654U CN 201320733817 U CN201320733817 U CN 201320733817U CN 203658654 U CN203658654 U CN 203658654U
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- 230000003287 optical effect Effects 0.000 claims abstract description 50
- 230000035515 penetration Effects 0.000 claims description 16
- 239000006059 cover glass Substances 0.000 claims description 8
- 239000005357 flat glass Substances 0.000 claims description 2
- 238000003384 imaging method Methods 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 abstract description 5
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 230000000149 penetrating effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012634 optical imaging Methods 0.000 description 1
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Abstract
The utility model, which belongs to the technical field of photoelectric product application, particularly relates to a high-definition fog-transmitting lens with a high-zoom ratio. The high-definition fog-transmitting lens successively comprises a front fixing group, a zooming group, a compensation group, and a rear fixing group from front to back along an optical axis direction, wherein optical axises of the above-mentioned assemblies are arranged at the same straight line. And the focal length changing is realized by changing positions of the zooming group and the compensation group along the optical axis direction. With the lens, a technical problem that the imaging detection capability of the existing zoom lens is insufficient on the condition of the hazy weather can be solved. A high-definition black-and-white image with a high-zoom ratio can be generated on the hazy meterological condition; and the lens also can be used as a common zoom lens to generate a colorful high-definition image in the non-fog meterological environment. The high-definition fog-transmitting lens has the high imaging detection capability.
Description
Technical field
The utility model belongs to photovoltaic and answers technical field, is specifically related to a kind of high zoom ratio high definition fog penetration lens.
Background technology
Along with multimedia information technology and network technology development, optical imaging lens has become the vitals of obtaining information, camera lens application progressively from traditional field such as shooting, photography, remote sensing to electronics, the field such as amusement, monitoring constantly expands, along with the development of photoelectric technology, market strengthens day by day to the demand of high definition continuous zoom optical lens.
Zoom lens is used widely at present, but under long burnt high zoom ratio condition, camera lens ubiquity resolution is lower, picture element is subject to weather condition to affect the problems such as larger, especially in monitoring field, not only the resolution of camera lens is had higher requirement, and in the urgent need to improving the imaging detection ability of camera lens under haze weather condition, the high definition zoom lens that therefore exploitation has a mist transmitting performance has good market outlook and using value.
Utility model content
The utility model technical issues that need to address are that the imaging detection ability of existing zoom lens under haze weather condition can not meet the demands.
The technical solution of the utility model is as described below:
A kind of high zoom ratio high definition fog penetration lens, along optical axis direction from front first fixing group, zoom group, compensation group and latter fixing group of then comprising successively, the optical axis of said modules is all located along the same line, and changes the change that realizes focal length by zoom group and compensation group along the position of optical axis direction; Described first fixing group then comprises from front successively along optical axis direction: front cover glass, the first negative positive cemented doublet group and the second negative positive cemented doublet group; Described zoom group then comprises from front successively along optical axis direction: positive and negative positive three balsaming lens group and double-concave negative lens; Described compensation group then comprises from front successively along optical axis direction: the first plano-concave negative lens, plano-convex positive lens and positive and negative cemented doublet group; Described latter fixing group then comprises from front successively along optical axis direction: the second plano-concave negative lens, convex-concave negative lens, dismountable near infrared filter and biconvex positive lens.
As preferred version: zoom group and compensation group are separately positioned in sleeve, sleeve rotates the change that realizes focal length by zoom group with compensation group along the position change of optical axis direction by fixing cam curve.
As preferred version:
In front fixing group, described front cover glass is sheet glass; Described the first negative positive cemented doublet group is formed from front then gummed along optical axis direction by convex-concave negative lens and biconvex positive lens; Described the second negative positive cemented doublet group is formed from front then gummed along optical axis direction by double-concave negative lens and biconvex positive lens;
In zoom group, described positive and negative positive three balsaming lens groups are formed from front then gummed along optical axis direction by concavo-convex positive lens, double-concave negative lens and convex-concave positive lens;
In compensation group, described positive and negative cemented doublet group is formed from front then gummed along optical axis direction by biconvex positive lens and double-concave negative lens.
As preferred version:
In front fixing group, the clear aperature of described front cover glass is 134.86mm; The convex-concave negative lens that described the first negative positive cemented doublet group is 122mm by clear aperature and clear aperature are that 115.4mm biconvex positive lens forms from front then gummed along optical axis direction; The double-concave negative lens that described the second negative positive cemented doublet group is 110.2mm by clear aperature and clear aperature are that 109.4mm biconvex positive lens forms from front then gummed along optical axis direction;
In zoom group, the convex-concave positive lens that the concavo-convex positive lens that described positive and negative positive three balsaming lens groups are 60.2mm by clear aperature, the double-concave negative lens that clear aperature is 59.2mm and clear aperature are 45.4mm forms from front then gummed along optical axis direction; Described double-concave negative lens clear aperature is 44.6mm;
In compensation group, described plano-concave negative lens clear aperature is 26.8mm; Described plano-convex positive lens clear aperature is 25.4mm; The double-concave negative lens that the biconvex positive lens that described positive and negative cemented doublet group is 20.6mm by clear aperature and clear aperature are 17.4mm forms from front then gummed along optical axis direction;
In fixing group 4, described the second plano-concave negative lens clear aperature is 15.2mm; Described convex-concave negative lens clear aperature is 11.6mm; Described biconvex positive lens clear aperature is 17.4mm.
The beneficial effects of the utility model are:
(1) high zoom ratio high definition fog penetration lens of the present utility model can generate the high definition black white image of high zoom ratio under haze meteorological condition, has stronger imaging detection ability;
(2) high zoom ratio high definition fog penetration lens of the present utility model can be served as common zoom lens and be used under non-mist weather environment, generates color high-definition image.
Brief description of the drawings
Fig. 1 is the composition schematic diagram of high zoom ratio high definition fog penetration lens of the present utility model under Penetrating Fog pattern;
Fig. 2 is the composition schematic diagram of high zoom ratio high definition fog penetration lens of the present utility model under non-Penetrating Fog pattern;
Fig. 3 is the zoom curve of zoom group in high zoom ratio high definition fog penetration lens of the present utility model;
Fig. 4 is the zoom curve of compensation group in high zoom ratio high definition fog penetration lens of the present utility model.
In figure, fixing group before 1-, 2-zoom group; 3-compensation group, fixes group after 4-, cover glass before 101-; the negative positive cemented doublet group of 102-first, the negative positive cemented doublet group of 103-second, the positive and negative positive three balsaming lens groups of 201-; 202-double-concave negative lens, 301-the first plano-concave negative lens, 302-plano-convex positive lens; the positive and negative cemented doublet group of 303-, 401-the second plano-concave negative lens, 402-convex-concave negative lens; 403-near infrared filter, 404-biconvex positive lens.
Embodiment
Below in conjunction with drawings and Examples, the high zoom ratio high definition of one of the present utility model fog penetration lens is elaborated.
Embodiment 1
As shown in Figure 1, the high zoom ratio high definition of one of the present utility model fog penetration lens, then comprises that from front first fixing group 1, zoom group 2, compensation group 3 and latter fixing group 4 form along optical axis direction successively.
Described first fixing group 1 then comprises from front successively along optical axis direction: cover glass 101 before the tabular that clear aperature is 134.86mm, the convex-concave negative lens that is 122mm by clear aperature and clear aperature are 115.4mm biconvex positive lens along optical axis direction from front the first negative positive cemented doublet group 102 that then gummed forms, the double-concave negative lens that is 110.2mm by clear aperature and clear aperature are 109.4mm biconvex positive lens along optical axis direction from front the second negative positive cemented doublet group 103 that then gummed forms.
Described zoom group 2 then comprises from front successively along optical axis direction: the convex-concave positive lens that the double-concave negative lens that the concavo-convex positive lens that is 60.2mm by clear aperature and clear aperature are 59.2mm and clear aperature are 45.4mm along optical axis direction from front positive and negative positive three balsaming lens groups 201, the double-concave negative lens 202 that clear aperature is 44.6mm that then gummed forms.
Described compensation group 3 then comprises from front successively along optical axis direction: the double-concave negative lens that the first plano-concave negative lens 301 that clear aperature is 26.8mm, the plano-convex positive lens 302 that clear aperature is 25.4mm, the biconvex positive lens that is 20.6mm by clear aperature and clear aperature are 17.4mm along optical axis direction from the front positive and negative cemented doublet group 303 that then gummed forms.
Described latter fixing group 4 then comprises from front successively along optical axis direction: the biconvex positive lens 404 that the second plano-concave negative lens 401 that clear aperature is 15.2mm, convex-concave negative lens 402, dismountable near infrared filter 403, the clear aperature that clear aperature is 11.6mm are 17.4mm.
As shown in Figure 2, the difference of the present embodiment and embodiment 1 is, when use high zoom ratio high definition fog penetration lens of the present utility model under non-Penetrating Fog environment time, described near infrared filter 403 can be cut out to light path system, realize the visible ray zoom colour imaging under non-Penetrating Fog pattern.
Claims (4)
1. one kind high zoom ratio high definition fog penetration lens, along optical axis direction from front front fixing group (1), zoom group (2), compensation group (3) and rear fixing group (4) of then comprising successively, the optical axis of said modules is all located along the same line, and changes the change that realizes focal length by zoom group (2) and compensation group (3) along the position of optical axis direction; It is characterized in that:
Described front fixing group (1) then comprises from front successively along optical axis direction: front cover glass (101), the first negative positive cemented doublet group (102) and the second negative positive cemented doublet group (103); Described zoom group (2) then comprises from front successively along optical axis direction: positive and negative positive three balsaming lens groups (201) and double-concave negative lens (202); Described compensation group (3) then comprises from front successively along optical axis direction: the first plano-concave negative lens (301), plano-convex positive lens (302) and positive and negative cemented doublet group (303); Described rear fixing group (4) then comprise from front successively along optical axis direction: the second plano-concave negative lens (401), convex-concave negative lens (402), dismountable near infrared filter (403) and biconvex positive lens (404).
2. high zoom ratio high definition fog penetration lens according to claim 1, it is characterized in that: zoom group (2) and compensation group (3) are arranged in sleeve, sleeve rotates by zoom group (2) and compensation group (3) and changes along the position of optical axis direction the change that realizes focal length by fixing cam curve.
3. high zoom ratio high definition fog penetration lens according to claim 1 and 2, is characterized in that:
In front fixing group (1), described front cover glass (101) is sheet glass; Described the first negative positive cemented doublet group (102) is formed from front then gummed along optical axis direction by convex-concave negative lens and biconvex positive lens; Described the second negative positive cemented doublet group (103) is formed from front then gummed along optical axis direction by double-concave negative lens and biconvex positive lens;
In zoom group (2), described positive and negative positive three balsaming lens groups (201) are formed from front then gummed along optical axis direction by concavo-convex positive lens, double-concave negative lens and convex-concave positive lens;
In compensation group (3), described positive and negative cemented doublet group (303) is formed from front then gummed along optical axis direction by biconvex positive lens and double-concave negative lens.
4. high zoom ratio high definition fog penetration lens according to claim 3, is characterized in that:
In front fixing group (1), the clear aperature of described front cover glass (101) is 134.86mm; The convex-concave negative lens that described the first negative positive cemented doublet group (102) is 122mm by clear aperature and clear aperature are that 115.4mm biconvex positive lens forms from front then gummed along optical axis direction; The double-concave negative lens that described the second negative positive cemented doublet group (103) is 110.2mm by clear aperature and clear aperature are that 109.4mm biconvex positive lens forms from front then gummed along optical axis direction;
In zoom group (2), the convex-concave positive lens that the concavo-convex positive lens that described positive and negative positive three balsaming lens groups (201) are 60.2mm by clear aperature, the double-concave negative lens that clear aperature is 59.2mm and clear aperature are 45.4mm forms from front then gummed along optical axis direction; Described double-concave negative lens (202) clear aperature is 44.6mm;
In compensation group (3), described plano-concave negative lens (301) clear aperature is 26.8mm; Described plano-convex positive lens (302) clear aperature is 25.4mm; The double-concave negative lens that the biconvex positive lens that described positive and negative cemented doublet group (303) is 20.6mm by clear aperature and clear aperature are 17.4mm forms from front then gummed along optical axis direction;
In fixing group (4), described the second plano-concave negative lens (401) clear aperature is 15.2mm; Described convex-concave negative lens (402) clear aperature is 11.6mm; Near infrared filter (403) clear aperature is 11.6mm; Described biconvex positive lens (404) clear aperature is 17.4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320733817.0U CN203658654U (en) | 2013-11-19 | 2013-11-19 | High-definition fog-transmitting lens with high-zoom ratio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320733817.0U CN203658654U (en) | 2013-11-19 | 2013-11-19 | High-definition fog-transmitting lens with high-zoom ratio |
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| Publication Number | Publication Date |
|---|---|
| CN203658654U true CN203658654U (en) | 2014-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320733817.0U Expired - Lifetime CN203658654U (en) | 2013-11-19 | 2013-11-19 | High-definition fog-transmitting lens with high-zoom ratio |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109116529A (en) * | 2018-08-22 | 2019-01-01 | 哈尔滨新光光电科技有限公司 | A kind of high-resolution microminiature visible light varifocal optical system |
-
2013
- 2013-11-19 CN CN201320733817.0U patent/CN203658654U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109116529A (en) * | 2018-08-22 | 2019-01-01 | 哈尔滨新光光电科技有限公司 | A kind of high-resolution microminiature visible light varifocal optical system |
| CN109116529B (en) * | 2018-08-22 | 2019-07-23 | 哈尔滨新光光电科技有限公司 | A kind of high-resolution microminiature visible light varifocal optical system |
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| GR01 | Patent grant | ||
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Granted publication date: 20140618 |