A large field of view optical system for video microscopy and photography
A technology with an optical system and a large field of view, used in optics, optical components, instruments, etc., to achieve the effect of simple structure, clear tone and sharp edges
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[0012] In order to make the content of the present invention easy to understand, the present invention will be described in detail in combination with specific embodiments.
[0013] like figure 1 , 2 Shown: a large field of view optical system for video microscopy and photography. The optical system is respectively equipped with a cemented lens 1, a first positive meniscus lens 2, a negative meniscus lens 4, and a second positive meniscus lens in the incident direction from left to right. An aperture stop 3 is arranged between the moon lens 5 and the eyepiece group 6 , the first positive meniscus lens 2 and the negative meniscus lens 4 . The microscopic and photographic large field of view optical system has a working distance of 8mm, a magnification of 65 times, an object line field of view diameter of 5.5mm, and a numerical aperture of 0.25mm during microphotography. When taking pictures, the focal length of the objective lens of the system is 75.5mm, the focal length of t...
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Abstract
Description
Claims
Application Information
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