| 释义 |
快门kuàimén摄影机中控制曝光时间的装置,由薄金属片或不透光的布帘构成。拍照时快门的开启时间可以是数秒、一秒、几分之一秒以至千分之一秒。{(camera) shutter; mechanical device that limits the passage of light, esp. a camera attachment that exposes the film or plate by opening and closing an aperture, made of metal flake or opaque drape. In taking a photo the period of opening the shutter can be several seconds, one second, a fraction of a second, or even a thousandth of a second.} |