lens diaphragm opening 透镜光阑孔
lens with automatic diaphragm 自动光阑透镜
diaphragm lens [光] 光阑透镜
black-diaphragm intraocular lens 带虹膜人工晶状体
black diaphragm intraocular lens 虹膜型人工晶状体
Diaphragm and condenser lens 光栏和聚光器
It is the distance between the lens diaphragm and the image plane.
即是镜头光圈与影像平面之间的距离。
Diffraction: When light rays pass close to opaque surfaces, such as the blades of a lens diaphragm , they are scattered;
衍射:当光束靠近经过不透明表面,如镜头光圈的叶片时,它会散开。
Camera extension: the length of bellows in a process camera. It is the distance between the lens diaphragm and the image plane.
暗箱:制版照相机上可以伸缩的部份,它连接起镜头和影像平面。
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