The photographer must know how to minimize the inherent optical distortion of a very wide Anglelens.
摄影师必须知道如何使很宽的广角镜头固有的光学畸变最小化。
2
A camera at the bottom of the lens tracks the viewers by collecting light coming the other way through the lens and the Angle of the LEDs changes to correspond to the viewers' movements.
透镜底部的摄像头通过收集反射回来的光线定位观众的位置，同时发光二极管的角度根据观众的移动发生改变。
3
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.