The left hand will be on the lens, while the right holds the camera body and controls the shutter.
其中左手握住镜头，同时右手握住机身并控制快门。
Cartier-Bresson used film camera, same lens, no flash, same shutter speed - he didn't need the newest digital equipment to take great photos.
布列松用胶卷机同一个镜头，没有闪光灯，同样的快门——他不需要最新的数码设备也可以拍好照片。
When you press the shutter release on the camera, a complex sequence of events occurs, including setting the aperture in the lens, flipping up the mirror of an SLR and a lot more.
实际上，当你按下快门时，一套复杂的程序开启，包括镜头内光圈的设置、一块单镜头反射镜的升起和其他更多的步骤。
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