The technician can manipulate the lens to check the light transmission from every Angle and determine whether a part of the surface requires additional polishing.
技师能够从各个角度熟练控制镜头来检查光传导并判断镜头表面是否需要更多打光。
2
The transmission characteristic of hollow duct was described by using a ray-tracing method and compared with the lens duct.
用光线追迹方法描述了空心导管的传输特性，并与透镜导管做了比较。
3
The several dynamic focus systems are analyzed. The transmission formulas of laser through them and the way to define the optical lever ratio and the focus of lens are given.