iris diaphragm meaning in English
【摄影】光圈。
Examples
- The condenser is equipped with an iris diaphragm , a shutter controlled by a lever which is used to regulate the amount of light entering the lens system
聚光镜装配有瞳孔膜，那是一个有贡杆控制的快门，用来调节进入镜头系统的光量。
【摄影】光圈。