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Lens system for light path adjusting

A lens system and optical path adjustment technology, applied in the field of lens systems, can solve the problems of low utilization rate of fill light energy, difficulty in adjusting the angle of the optical path, etc., and achieve the effects of improving utilization rate of light energy and adjusting the optical path with a large angle

Active Publication Date: 2015-03-25
SICHUAN JIUZHOU VIDEO TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a lens system for adjusting the optical path, so as to solve the problems of difficulty in adjusting the angle of the optical path and the low utilization rate of light energy of the supplementary light in the existing cameras

Method used

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  • Lens system for light path adjusting
  • Lens system for light path adjusting
  • Lens system for light path adjusting

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Embodiment Construction

[0029] In order to make the purpose, technical solutions and advantages of the present invention clearer, the specific implementation manners of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are part of the embodiments of the present invention, rather than All examples are not limitations of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0030] figure 1 A schematic structural diagram of a lens system for optical path adjustment provided by an embodiment of the present invention. Such as figure 1 As shown, the lens system includes a light source 4 and a lens module, wherein the lens module includes a first lens group 1, a second lens group 2 and a fifth lens 3, and the first lens grou...

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Abstract

The invention relates to the field of security and protection monitoring, and provides a lens system for light path adjusting. The lens system is used for solving the problems that the angle of a light path in an existing camera is hard to adjust, and the light energy utilization rate of a supplementary lighting lamp is not high. The lens system comprises a light source and a lens module, and the lens module comprises a first lens set, a second lens set and a fifth lens set. A light path is adjusted by a large angle through the lens module, and the light energy utilization rate of the supplementary lighting lamp is improved.

Description

technical field [0001] The invention relates to the field of security monitoring, in particular to a lens system for optical path adjustment. Background technique [0002] In the field of security monitoring, cameras with fill lights can effectively enhance the image quality of surveillance images at night or in other low-light conditions. At present, commonly used fill lights include infrared fill lights and laser fill lights, among which laser fill light Compared with ordinary infrared fill light, the lamp has higher fill light intensity and can better meet the fill light requirements of high-definition cameras, so it has been widely used. Because the laser beam has a high straightness, the laser beam emitted from the light source They are all at small angles, and it is not easy to control the optical path angle of the beam, and for the zoom system, it is easier to adjust the optical path at a small angle, but it is not easy to realize the optical path adjustment at a larg...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F21V14/06G03B15/02
CPCG03B15/02F21V5/008F21V5/04F21V14/06
Inventor 杨宁刘建康郭安全
Owner SICHUAN JIUZHOU VIDEO TECH