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1:1 large-size photocopy and duplication objective optical lens

An optical lens and large-size technology, which is applied in the field of object lens, can solve the problem of not being able to meet the needs of photocopying and copying of large-size items

Active Publication Date: 2021-11-23
CHANGZHOU INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The present invention discloses a 1:1 large-scale photocopy objective lens optical lens, which solves the problem that the current small-size photocopy objective lens optical lens cannot meet the photocopying of large-size items Replication requirements, able to complete photocopying of large-sized items at a ratio of 1:1 without distortion

Method used

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  • 1:1 large-size photocopy and duplication objective optical lens
  • 1:1 large-size photocopy and duplication objective optical lens
  • 1:1 large-size photocopy and duplication objective optical lens

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Embodiment Construction

[0025] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0026] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof.

[0027] The r...

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Abstract

The invention provides a 1:1 large-size photocopy and duplication objective optical lens. The 1:1 large-size photocopy and duplication objective optical lens comprises a first lens which is a positive lens; a second lens which is a negative lens and is glued together with the first lens to form a first glued negative lens group; a third lens which is a positive lens; a fourth lens, wherein the fourth and the third lens are symmetrically arranged relative to the diaphragm surface; a fifth lens which is a negative lens, wherein the fifth lens and a sixth lens are glued together to form a second glued negative lens group, and the fifth lens and the second lens are symmetrically arranged relative to the diaphragm surface; and the sixth lens which is a positive lens, wherein the sixth lens and the first lens are symmetrically arranged relative to the diaphragm surface; the parameters of the first lens and the sixth lens are consistent; the parameters of the second lens and the fifth lens are consistent; and the parameters of the third lens and the fourth lens are consistent. The 1:1 large-size photocopy and duplication objective optical lens solves the problem that a current small-size photocopy and duplication objective optical lens cannot meet the photocopy and duplication requirement of a large-size object, and can complete photocopy and duplication of the large-size object in a ratio of 1:1 without distortion.

Description

technical field [0001] The invention relates to the technical field of objective lens, in particular to a 1:1 large-scale photocopy objective optical lens. Background technique [0002] Photocopy objective lenses are mainly used in advertising art, image design, printing and advertising industries. The photocopying objective lens can piece together various required items or photos into the desired image or commodity, take a picture of it and fix it, and then make it into a printed matter. [0003] In recent years, with the improvement of material living standards, there are more and more demands for photocopying of large-sized items. The traditional small-sized photocopying objective lens optical lens can no longer meet the current needs. There is an urgent need for a large-size photocopying objective lens optical lens. Lenses to meet the needs of large-scale photocopying reproduction. Contents of the invention [0004] The present invention discloses a 1:1 large-size ph...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B13/00
CPCG02B13/00
Inventor 徐安成饶丰
Owner CHANGZHOU INST OF TECH
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