... lens control ==> 透镜控制 lens convergence ==> 透镜会聚 lens convergence plane ==> 透镜会聚面 ...
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介绍了一种采用只含有会聚场的单透镜的全静电聚焦和偏转系统，这种系统非常适用于制作小型高性能摄象管。
An all-electrostatic focusing and deflecting system characterized by simple lens system is introduced The new system is very useful in producing compact high-performance camera tubes.
用来观察物体细节的简单目视光学器件，是焦距比眼的明视距离小得多的会聚透镜。
Used to observe the details of a simple visual objects, optical devices, is the focal length than the distance between eyes, as much out of the convergence lens.
用一厚的简单会聚透镜很容易观察色差。
It's an easy matter to observe chromatic aberrations, with a thick, simple converging lens.
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