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Binocular telescope focusing structure

A technology for binoculars and focusing, which is applied in the field of telescopes, can solve problems such as focusing errors, and achieve the effect of avoiding autobiography

Inactive Publication Date: 2021-03-02
襄阳友博光电有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to solve the shortcoming of two focusing mirrors moving at the same time and causing focusing errors in the prior art, and propose a focusing structure for binoculars

Method used

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  • Binocular telescope focusing structure
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  • Binocular telescope focusing structure

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Embodiment Construction

[0019] 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.

[0020] refer to Figure 1-5 , a focusing structure of binoculars, comprising two main lens barrels 1, the two main lens barrels 1 are arranged in parallel, two parallel connecting arms 2 are fixedly installed on one side of the two main lens barrels 1, the main lens A rotating gear 3 is rotatably installed between the two connecting arms 2 on the barrel 1, and a braking gear is fixedly installed between the connecting arm 2 on one main lens barrel 1 and the connecting arm 2 on the other main lens barrel 1 4. The two sides of the braking gear 4 are respectively meshed with the corresponding rotating gear 3. One end of the two main lens barrels 1 is threaded with an ey...

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Abstract

The invention relates to the technical field of telescopes, in particular to a binocular telescope focusing structure which comprises two main lens cones which are arranged in parallel, two parallel connecting arms are fixedly mounted on one side of each of the two main lens cones, and a rotating gear is rotatably mounted between the two connecting arms on each main lens cone. A brake gear is fixedly installed between the connecting arm on one main lens barrel and the connecting arm on the other main lens barrel, an ocular lens barrel is installed at one ends of the two main lens barrels in athreaded mode, an ocular lens is fixedly installed in the ocular lens barrel, an objective lens barrel is fixedly installed at the other ends of the two main lens barrels, and an objective lens is fixedly installed in the objective lens barrel. Focusing lenses are installed in the two main lens cones and can slide in the corresponding main lens cones. According to the invention, the correspondingfocusing lens is adjusted to a proper position by rotating the adjusting cap on the other main lens barrel, so that the focal lengths in the two lens barrels can be adjusted well, and errors of the focal lengths in the two different lens barrels are avoided.

Description

technical field [0001] The invention relates to the technical field of telescopes, in particular to a binoculars focusing structure. Background technique [0002] Optical instruments are composed of single or multiple optical devices. Optical instruments are mainly divided into two categories, one is optical instruments that form real images, such as slide projectors, cameras, etc.; the other is optical instruments that form virtual images, such as telescopes, Microscope, magnifying glass, etc.; a telescope is an optical instrument that uses lenses or mirrors and other optical devices to observe distant objects, including binoculars and monoculars. The focusing structure of existing binoculars includes focusing screw and focusing The lens, through the focusing screw inserted into the lens barrel, drives the focusing lens to move in the lens barrel, thereby adjusting the distance between the focusing lens and the eyepiece to adjust the focal length of the telescope. Factors ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B23/18G02B7/06
CPCG02B23/18G02B7/06
Inventor 张伟康志学
Owner 襄阳友博光电有限公司
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