field lenses meaning in English
向场透镜
Examples
- Then the scratches and spots on the field lens would be visible at the eye lens .
此时场镜上的划痕和小点会在接目镜中看见。 - Saddle - field lens
鞍形场透镜 - Single field lens
单场透镜 - Powermate ? is a technically universal solution , using a positive field lens to redirect field rays
是一个在技术上普遍适用的解决办法，用积极的实地镜头转场射线。 - Beam expander and field lens : quadruple beam expansion , biplate structure design , totally enclosed optical system , no lens pollution and without replacement
扩束镜及场镜： 4倍扩束，双片结构设计，全封闭的光学系统，镜片无污染，不用更换。