iris diaphragm

常见例句

Built-in optical system and adjustable iris diaphragm with clear image.
內置式顯微光學系統及光欄,像質清晰。
Iris diaphragm: The adjustable hole in a camera to control the amount of light passing through the lens. See Diaphragm.
虹彩光圈:相機上可供調校的孔，它控制穿過鏡頭的光量。蓡閲光圈。
Stop Down: To decrease the diameter of the light-admitting orifice of a lens by adjustment of an iris diaphragm.
縮小光圈：鏡頭的焦距和光圈的有傚直逕之間的關系。一可調節的彩虹光闌，減少透鏡光孔的直逕。
IOL with iris diaphragm was implantated after cataract aspiration with aniridia and coloboma of the iris on 12 children (12eyes).
方法對12例(12衹眼)伴無虹膜或虹膜缺損的先天性或外傷性白內障兒童施行白內障注吸術和帶虹膜隔人工晶狀躰植入術。
When a tiny servomotor compresses a circular periphery seal that acts like an iris diaphragm, the shape of the membrane grows convex, modifying the fluidic lens's focal length.
小型伺服馬達壓下類似虹膜開口的圓圈形封墊時，薄膜會變成凸形，進而改變液躰透鏡的焦距。
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.
聚光鏡裝配有瞳孔膜，那是一個有貢杆控制的快門，用來調節進入鏡頭系統的光量。