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Optical system of a stereo video endoscope with lateral viewing direction and stereo video endoscope with lateral viewing direction
Optical system of a stereo video endoscope with lateral viewing direction and stereo video endoscope with lateral viewing direction
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机译:具有横向观察方向的立体视频内窥镜和具有横向观察方向的立体视频内窥镜的光学系统
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摘要
An optical system of a stereo video endoscope with lateral viewing direction. The optical system including: a sideways looking distal optical assembly; and a proximal optical assembly. Where the distal optical assembly includes, successively in a direction of light incidence on a common optical axis: an entrance lens configured as a raised negative meniscus, an optical deflection unit; and an exit lens configured as a hollow positive meniscus, Where the distal optical assembly has, at least in sections, a right and a left lens system channel of identical type and arranged parallel to one another, each of the right and left lens system channel having: a dedicated optical axis, and at least one first lens and an achromatic lens group in the direction of light incidence.
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