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4G2P wide-angle lens

A wide-angle lens and lens barrel technology, applied in the field of optical imaging, can solve the problems of high lens cost and unsatisfactory imaging effect, and achieve the effect of reducing production cost, large aperture and small distortion

Inactive Publication Date: 2021-03-26
湖北云泰时代光学仪器有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Most of the existing vehicle series and monitoring lenses use 6G lenses, that is, there are 6 glass lenses in one lens, and the cost of using 6 glass lenses is high, and the imaging effect is not ideal

Method used

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  • 4G2P wide-angle lens
  • 4G2P wide-angle lens
  • 4G2P wide-angle lens

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Embodiment Construction

[0017] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments 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.

[0018] In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "top / bottom", etc. are based on the orientations shown in the drawings Or positional relationship is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific...

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Abstract

The invention discloses a 4G2P wide-angle lens, which relates to the technical field of optical imaging, and specifically comprises a lens barrel and a top cover, wherein the top cover is in threadedsleeve connection with the top of the lens barrel, and thelens barrel is internally provided with a first layer glass lens, a first layer plastic lens, a second layer glass lens, a third layer glass lens, a second layer plastic lens and an optical filter. Through the first layer plastic lens, the second layer plastic lens and the first gasket, the production cost of the lens is reduced, the definition of the lens is high, the lens has the effects of high temperature resistance, small distortion, large aperture, small aberration and wide visual range, and the problems that the existing vehicle-mounted series and monitoring lenses mostly adopt 6G lenses, that is, six glass lenses are arranged in one lens, and the lens adopting six glass lenses is high in cost, and the imaging effect is not ideal are solved.

Description

technical field [0001] The invention relates to an optical imaging technology, in particular to a 4G2P wide-angle lens. Background technique [0002] The wide-angle lens is an essential lens component on mobile phones and cameras. It is a special lens for shooting scenes with a large range. Its main features are wide field of view, long depth of field and short focal length of the lens. Angle shooting, the range of shooting scenes has been greatly improved. [0003] Most of the existing vehicle series and monitoring lenses use 6G lenses, that is, there are 6 glass lenses in one lens, and the cost of using 6 glass lenses is high, and the imaging effect is not ideal. And this patent is mainly to change 6 glass lenses into 4 glass lenses and 2 plastic lenses, thereby further reducing cost and can also achieve high-definition, low distortion, and the use effect of large visual range. Contents of the invention [0004] The purpose of the present invention is to provide a 4G2P...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B13/06G02B13/14G02B13/00G02B1/00G02B1/04G02B7/02G03B11/00G03B30/00
CPCG02B13/06G02B13/14G02B13/0015G02B1/00G02B1/041G02B7/021G02B7/026G02B7/028G03B11/00
Inventor 劳金生陈水彬崔昌锐崔鹏尧崔明明李俊涛
Owner 湖北云泰时代光学仪器有限公司
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