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Zoom objective lens

A zoom objective lens and frame technology, applied in the field of zoom objective lens, can solve the problems affecting the doctor's experience, inconvenience, and the focal length of the objective lens cannot be continuously changed, and achieve the effect of compact structure, less space, and good optical performance

Pending Publication Date: 2017-07-07
广西奥顺仪器有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It causes inconvenience in the operation, makes the focal length of the objective lens unable to change continuously, and affects the doctor's experience, such as figure 2 shown

Method used

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Embodiment Construction

[0024] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.

[0025] refer to Figure 4-Figure 6 As shown, the present invention provides a kind of zoom objective lens, and this zoom objective lens is on the same optical axis as the surgical microscope, and the zoom objective lens includes a first cemented lens 1 and a second cemented lens 2 on the same optical axis, the first cemented lens The cemented lens 1 is positioned in the adapter ring 7, the second cemented lens 2 is positioned in the picture frame 5 and faces the object plane, and the zoom objective lens is connected to the mirror body of the operating microscope through the outer mirror frame 4, the second cemented lens 2 and the picture frame 5 ...

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Abstract

The present invention discloses a zoom objective lens. The zoom objective lens and a surgical microscope are arranged on a same optical axis. The zoom objective lens comprises a first cemented lens and a second cemented lens, wherein the first cemented lens and the second cemented lens are arranged on the same optical axis. The first cemented lens is arranged in a connecting ring. The second cemented lens is arranged in a mirror frame and is positioned towards an object plane. The zoom objective lens is connected with the microscope body of the surgical microscope through an outer mirror frame. The second cemented lens and the mirror frame can move along the optical axis. The connecting ring is arranged at one end of the outer mirror frame. The other end of the outer mirror frame is provided with a mirror cover. The zoom objective lens is simple in structure, and is suitable for being applied to the surgical microscope.

Description

technical field [0001] The present invention relates to the field of objective lens technology, and more specifically, relates to a zoom objective lens. Background technique [0002] The zoom objective lens is one of the components of the surgical microscope. Its function is to change the working distance and directly affect the user's work effect. Reasonable zoom objective lens design can make users comfortable to use and complete work better and faster. The clinical operation is simpler, such as figure 1 shown. [0003] The surgical microscope (similar) objective lenses on the market have certain characteristics and limitations. Usually, the focal length of the surgical microscope objective lens is fixed, so the corresponding working distance and magnification are also fixed. When doctors need to change the working distance or magnification of the surgical microscope objective lens, they need to change the objective lens with different focal lengths. It causes inconven...

Claims

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Application Information

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IPC IPC(8): G02B7/10G02B21/24G02B21/02G02B7/09
CPCG02B7/10G02B21/025G02B21/241
Inventor 吴允滇赵新科
Owner 广西奥顺仪器有限公司