main optical path meaning in Chinese
主光通道
Examples
- By placing the reticule in the main optical path of the tv tracking lens , it can not only take the place of the auxiliary optical path in displaying line of sight , but also simplifies the structure of the lens
将这种分化板置于电视跟踪镜头的主光路中，用以显示瞄准光标，可取代电视跟踪镜头的辅助光路，使镜头的结构得到简化。