A high-resolution and low-distortion optical industrial lens

A high-resolution, lens technology, applied in optics, optical components, instruments, etc., can solve problems such as large distortion, unclear edges of the field of view, and inability to meet market demands, and achieve the effect of simple structure and small distortion.

Active Publication Date: 2019-01-04
FUJIAN FUGUANG TIANTONG OPTICS
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  • Abstract
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  • Claims
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Problems solved by technology

[0002] The high-definition industrial lenses on the existing market have the disadvantages of large distortion and unclear edges of the field of view, which have begun to fail to meet the existing market demand

Method used

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  • A high-resolution and low-distortion optical industrial lens
  • A high-resolution and low-distortion optical industrial lens
  • A high-resolution and low-distortion optical industrial lens

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Embodiment Construction

[0022] In order to make the above-mentioned features and advantages of the present invention more comprehensible, the following specific embodiments are described in detail with reference to the accompanying drawings, but the present invention is not limited thereto.

[0023] refer to Figure 1 to Figure 5

[0024] A high-resolution and low-distortion optical industrial lens, comprising a front set of lenses A, a variable diaphragm 20 and a rear set of lenses B arranged sequentially in the lens structure along the incident direction of light. Convex lens 32, negative crescent lens 30, the first biconcave lens 29, the second biconvex lens 26, the first positive crescent lens 24 are made up of, and described back group eyeglass is followed by the second biconcave lens 15 and the 3rd biconvex lens 14 tight contact The cemented group, the second positive crescent lens 13 and the fourth double-convex lens 12 are composed.

[0025] In this embodiment, the air gap between the first...

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Abstract

The invention relates to a high-resolution and low-distortion optical industrial lens, which comprises a front set of lenses, a variable diaphragm and a rear set of lenses arranged sequentially in the lens structure along the incident direction of light. Convex lens, negative crescent lens, first biconcave lens, second biconvex lens, first positive crescent lens. Type lens and the fourth biconvex lens. The high-resolution and low-distortion optical industrial lens not only has a simple structure, but also reduces the distortion of close-up shooting.

Description

technical field [0001] The invention relates to a high-resolution and low-distortion optical industrial lens. Background technique [0002] The high-definition industrial lenses on the existing market have the disadvantages of large distortion and unclear edges of the field of view, which have begun to fail to meet the existing market demand. Contents of the invention [0003] The object of the present invention is to provide a high-resolution and low-distortion optical industrial lens, which not only has a simple structure, but also reduces the distortion of close-up scenes. [0004] The technical solution of the present invention is: a high-resolution and low-distortion optical industrial lens, including a front group of lenses, a variable diaphragm and a rear group of lenses arranged in sequence along the incident direction of light in the lens structure, and the front group of lenses is sequentially arranged It consists of a first biconvex lens, a negative crescent le...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B13/00G02B7/04
CPCG02B7/04G02B13/0015
Inventor 陈龙何武强郑勇强张新彬
Owner FUJIAN FUGUANG TIANTONG OPTICS
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