... autocollimator 自准直望远镜，自准直仪 autocollimator objective 准直物镜 autocompensation 自动补偿 ...
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非球面准直物镜 Aspheric collimating lens
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阐述其工作原理和结构形式，包括PGP、准直物镜和成像物镜的设计要求。
Its work principle and structure is presented. It consists of a PGP, a front collimated and a rear focusing lens.
依据新配置的光应力系统试验要求，需设计一套大视场、宽光谱、长焦距的微光准直物镜。
Based on the new configuration of optic stress system, we need to design a wide bands and long focal night vision collimating lens.
整个光学系统采用锗和硅两种材料，包含11片透镜，其中：准直物镜3片，投影镜头7片，场镜1片。
The whole optical system using the materials of Ge and si consisted of 11 elements, including 3 lenses for collimator and 7 lenses for the projection system.
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