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Low-cost high-resolution low-distortion optical industrial lens with 16mm focal length

A high-resolution, low-cost technology, applied in the field of optical lenses, can solve the problems of increasing lens costs and achieve the effect of reducing costs

Active Publication Date: 2019-04-30
HUNAN CHIOPT OPTICAL TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to match the image quality of the lens with the high pixels of the photosensitive chip, it is usually achieved by adding lenses, which increases the cost of the lens

Method used

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  • Low-cost high-resolution low-distortion optical industrial lens with 16mm focal length
  • Low-cost high-resolution low-distortion optical industrial lens with 16mm focal length

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Embodiment Construction

[0023] 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.

[0024] see figure 1 , figure 1 It is a schematic diagram of lens configuration according to an embodiment of the industrial lens of the present invention. In order to facilitate the understanding of the present invention, the invention will be described more fully below with reference to the relevant drawings.

[0025] In an embodiment of the present invention, a low-cost, high-resolution, low-distortion optical industrial lens with a focal length of 16mm inc...

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Abstract

The invention discloses a low-cost high-resolution low-distortion optical industrial lens with 16mm focal length. The low-cost high-resolution low-distortion optical industrial lens comprises a firstlens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens in sequence from an object side to an image side along the optical axis. The first lens is a meniscus negative-diopter lens, the convex side of which faces to the object side. The second lens is a biconvex positive-diopter lens. The third lens is a meniscus negative-diopter lens, the convex side of which faces to the object side. The fourth lens is a meniscus positive-diopter lens, the convex side of which faces to the object side. The fifth lens is a biconcave negative-diopter lens. The sixth lensis a biconvex positive-diopter lens. The seventh lens is a biconvex positive-diopter lens. The optical industrial lens not only has simple structure, but also achieves low distortion from infinite distance to close distance of the object distance.

Description

technical field [0001] The invention relates to an optical lens, in particular to a low-cost, high-resolution and low-distortion optical industrial lens with a focal length of 16 mm. Background technique [0002] Since my country has achieved explosive growth in the field of machine vision since 2010, industrial cameras and lenses have also maintained a growth rate of 40%, making the market demand a large number of high-quality industrial lenses. On the other hand, in order to obtain high-quality images, the pixels of photosensitive chips such as CCD or CMOS used are getting higher and higher. In order to match the image quality of the lens with the high pixels of the photosensitive chip, it is usually achieved by adding lenses, which increases the cost of the lens. Contents of the invention [0003] The object of the present invention is to provide an optical industrial lens with few lenses, low cost, high resolution and low distortion, so as to solve the problems raised...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B13/00
CPCG02B13/00
Inventor 张岩松张勇吴沛林
Owner HUNAN CHIOPT OPTICAL TECH
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