diaphragm shutter 光圈快门
shutter diaphragm
快门隔膜
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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。
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The diaphragm, shutter speed and menu can be changed quickly using the command dial.
ENGADGET: Sigma DP3 Merrill packs a Foveon X3 sensor and a fixed F2.8, 75mm-equivalent lens
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