CN103235400A - Novel 16-fold 720P corresponding zoom lens - Google Patents
Novel 16-fold 720P corresponding zoom lens Download PDFInfo
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- CN103235400A CN103235400A CN2013102008094A CN201310200809A CN103235400A CN 103235400 A CN103235400 A CN 103235400A CN 2013102008094 A CN2013102008094 A CN 2013102008094A CN 201310200809 A CN201310200809 A CN 201310200809A CN 103235400 A CN103235400 A CN 103235400A
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Abstract
The invention discloses a novel 16-fold 720P corresponding zoom lens, and relates to the technical field of monitoring. The lens comprises a first positive lens group (1), a second negative lens group (2), a third positive lens group (3), a fourth positive lens group (4) and an optical filter (5), wherein the second negative lens group (2) is arranged on the right side of the first positive lens group (1); the third positive lens group (3) is arranged on the right side of the second negative lens group (2); the fourth positive lens group (4) is arranged on the right side of third positive lens group (3); and the optical filter (5) is arranged on the right side of the fourth positive lens group (4). The zoom lens comprises a small quantity of lenses, with the zoom ratio of about 14 to 16 times, and can perform monitoring under visible light and near-infrared light.
Description
Technical field
The present invention relates to the monitoring technique field, be specifically related to the corresponding zoom lens of a kind of 16 times of novel 720P.
Background technology
At present, in the monitoring field, exploitation all be the video camera of dual-purpose day and night.This type of video camera mainly is to monitor with visible light daytime, and monitor with near infrared light night, and therefore the camera lens that uses also being required more is the zoom lens that can both be suitable for from the visible light to the near infrared light.The camera lens of existing market can not satisfy client's needs, and lens ratio is regulated also more limited.
Summary of the invention
The purpose of this invention is to provide the corresponding zoom lens of a kind of novel 16 times of 720P, it can provide by a small amount of eyeglass number constitute, about 14 ~ 16 times of zoom ratios, the zoom lens that can under visible light and near infrared light, monitor.
In order to solve the existing problem of background technology, the present invention is by the following technical solutions: it comprises the first positive eyeglass group 1, the second negative eyeglass group 2, the 3rd positive eyeglass group 3, the 4th positive eyeglass group 4 and optical filter 5; The second negative eyeglass group 2 is arranged on the first positive eyeglass group's 1 right side, and the 3rd positive eyeglass group 3 is arranged on the second negative eyeglass group's 2 right side, and the 4th positive eyeglass group 4 is arranged on the 3rd positive eyeglass group's 3 right side, and optical filter 5 is arranged on the 4th positive eyeglass group's 4 right side.
The described first positive eyeglass group 1 comprises the first negative meniscus lens L1, the first biconvex eyeglass L2 and the first positive concave-convex lens L3, the first biconvex eyeglass L2 is arranged on the right side of the first negative meniscus lens L1, and the first positive concave-convex lens L3 is arranged on the right side of the first biconvex eyeglass L2.
The described second negative eyeglass group 2 comprises the second negative meniscus lens L4, concave-concave eyeglass L5 and the second positive concave-convex lens L6, and concave-concave eyeglass L5 is arranged on the right side of the second negative meniscus lens L4, and the second positive concave-convex lens L6 is on the right side of concave-concave eyeglass L5.
The described the 3rd positive eyeglass group 3 comprises the second biconvex eyeglass L7 and the 3rd negative meniscus lens L8; The 3rd negative meniscus lens L8 is arranged on the right side of the second biconvex eyeglass L7.
The described the 4th positive eyeglass group 4 comprises the 4th negative meniscus lens L9 and the 3rd biconvex eyeglass L10, and the 3rd biconvex eyeglass L10 is arranged on the right side of the 4th negative meniscus lens L9.
The present invention has following beneficial effect: it can provide by a small amount of eyeglass number constitute, about 14 ~ 16 times of zoom ratios, the zoom lens that can under visible light and near infrared light, monitor.
Description of drawings:
Fig. 1 is structural representation of the present invention.
Embodiment:
Referring to Fig. 1, this embodiment by the following technical solutions: it comprises the first positive eyeglass group 1, the second negative eyeglass group 2, the 3rd positive eyeglass group 3, the 4th positive eyeglass group 4 and optical filter 5; The second negative eyeglass group 2 is arranged on the first positive eyeglass group's 1 right side, and the 3rd positive eyeglass group 3 is arranged on the second negative eyeglass group's 2 right side, and the 4th positive eyeglass group 4 is arranged on the 3rd positive eyeglass group's 3 right side, and optical filter 5 is arranged on the 4th positive eyeglass group's 4 right side.
The described first positive eyeglass group 1 comprises the first negative meniscus lens L1, the first biconvex eyeglass L2 and the first positive concave-convex lens L3, the first biconvex eyeglass L2 is arranged on the right side of the first negative meniscus lens L1, and the first positive concave-convex lens L3 is arranged on the right side of the first biconvex eyeglass L2.
The described second negative eyeglass group 2 comprises the second negative meniscus lens L4, concave-concave eyeglass L5 and the second positive concave-convex lens L6, and concave-concave eyeglass L5 is arranged on the right side of the second negative meniscus lens L4, and the second positive concave-convex lens L6 is on the right side of concave-concave eyeglass L5.
The described the 3rd positive eyeglass group 3 comprises the second biconvex eyeglass L7 and the 3rd negative meniscus lens L8; The 3rd negative meniscus lens L8 is arranged on the right side of the second biconvex eyeglass L7.
The described the 4th positive eyeglass group 4 comprises the 4th negative meniscus lens L9 and the 3rd biconvex eyeglass L10, and the 3rd biconvex eyeglass L10 is arranged on the right side of the 4th negative meniscus lens L9.
This embodiment can provide by a small amount of eyeglass number constitute, about 14 ~ 16 times of zoom ratios, the zoom lens that can under visible light and near infrared light, monitor.
Claims (5)
1. the corresponding zoom lens of 16 times of novel 720P is characterized in that it comprises the first positive eyeglass group (1), the second negative eyeglass group (2), the 3rd positive eyeglass group (3), the 4th positive eyeglass group (4) and optical filter (5); The second negative eyeglass group (2) is arranged on the first positive eyeglass group's (1) right side, the 3rd positive eyeglass group (3) is arranged on the second negative eyeglass group's (2) right side, the 4th positive eyeglass group (4) is arranged on the 3rd positive eyeglass group's (3) right side, and optical filter (5) is arranged on the 4th positive eyeglass group's (4) right side.
2. corresponding zoom lens of a kind of novel 16 times of 720P according to claim 1, it is characterized in that the described first positive eyeglass group (1) comprises first negative meniscus lens (L1), the first biconvex eyeglass (L2) and the first positive concave-convex lens (L3), the first biconvex eyeglass (L2) is arranged on the right side of first negative meniscus lens (L1), and the first positive concave-convex lens (L3) is arranged on the right side of the first biconvex eyeglass (L2).
3. corresponding zoom lens of a kind of novel 16 times of 720P according to claim 1, it is characterized in that the described second negative eyeglass group (2) comprises second negative meniscus lens (L4), concave-concave eyeglass (L5) and the second positive concave-convex lens (L6), concave-concave eyeglass (L5) is arranged on the right side of second negative meniscus lens (L4), and the second positive concave-convex lens (L6) is on the right side of concave-concave eyeglass (L5).
4. the corresponding zoom lens of a kind of 16 times of novel 720P according to claim 1 is characterized in that the described the 3rd positive eyeglass group (3) comprises the second biconvex eyeglass (L7) and the 3rd negative meniscus lens (L8); The 3rd negative meniscus lens (L8) is arranged on the right side of the second biconvex eyeglass (L7).
5. corresponding zoom lens of a kind of novel 16 times of 720P according to claim 1, it is characterized in that the described the 4th positive eyeglass group (4) comprises the 4th negative meniscus lens (L9) and the 3rd biconvex eyeglass (L10), the 3rd biconvex eyeglass (L10) is arranged on the right side of the 4th negative meniscus lens (L9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102008094A CN103235400A (en) | 2013-05-27 | 2013-05-27 | Novel 16-fold 720P corresponding zoom lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102008094A CN103235400A (en) | 2013-05-27 | 2013-05-27 | Novel 16-fold 720P corresponding zoom lens |
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| CN103235400A true CN103235400A (en) | 2013-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013102008094A Pending CN103235400A (en) | 2013-05-27 | 2013-05-27 | Novel 16-fold 720P corresponding zoom lens |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116761050A (en) * | 2023-08-14 | 2023-09-15 | 合肥航谱时代科技有限公司 | Image acquisition system based on visible light and infrared fusion |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009003342A (en) * | 2007-06-25 | 2009-01-08 | Elmo Co Ltd | Zoom lens and image pickup apparatus |
| CN101666905A (en) * | 2009-09-30 | 2010-03-10 | 福州开发区鸿发光电子技术有限公司 | Large-zoom ratio optical zoom lens |
| CN201757809U (en) * | 2010-07-28 | 2011-03-09 | 舜宇光学(中山)有限公司 | Monitoring lens of closed-circuit television |
| CN201837764U (en) * | 2010-09-15 | 2011-05-18 | 舜宇光学(中山)有限公司 | Closed circuit television monitoring lens for realizing zooming of 12 times |
| CN203299446U (en) * | 2013-05-27 | 2013-11-20 | 嘉兴中润光学科技有限公司 | Novel 16-time 720P corresponding zoom lens |
-
2013
- 2013-05-27 CN CN2013102008094A patent/CN103235400A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009003342A (en) * | 2007-06-25 | 2009-01-08 | Elmo Co Ltd | Zoom lens and image pickup apparatus |
| CN101666905A (en) * | 2009-09-30 | 2010-03-10 | 福州开发区鸿发光电子技术有限公司 | Large-zoom ratio optical zoom lens |
| CN201757809U (en) * | 2010-07-28 | 2011-03-09 | 舜宇光学(中山)有限公司 | Monitoring lens of closed-circuit television |
| CN201837764U (en) * | 2010-09-15 | 2011-05-18 | 舜宇光学(中山)有限公司 | Closed circuit television monitoring lens for realizing zooming of 12 times |
| CN203299446U (en) * | 2013-05-27 | 2013-11-20 | 嘉兴中润光学科技有限公司 | Novel 16-time 720P corresponding zoom lens |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116761050A (en) * | 2023-08-14 | 2023-09-15 | 合肥航谱时代科技有限公司 | Image acquisition system based on visible light and infrared fusion |
| CN116761050B (en) * | 2023-08-14 | 2023-11-03 | 合肥航谱时代科技有限公司 | Image acquisition system based on visible light and infrared fusion |
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Application publication date: 20130807 |