【摘要】 主要介绍了可等效成薄透镜的光学系统的集光特性 ,即通过分析等效光学系统的光辐射通量与物体在三个不同位置时的关系 ,得出光学系统物距的改变不会使投射到光电器件上的光辐射通量发生变化的结论更多还原

【Abstract】 This paper recommend light collecting character of optical system of equivalent lens. Through analyzing illuminance of light radiant flux of equivalent optical system when the object is in three different position, we get the conclusion that shift of object distance can not change the light radiant flux on the photoelectric element.更多还原