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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When you mount a lens (whether the camera is on or off), the camera interrogates the lens for its characteristics, including maximum aperture, which one of the focusing parameters.

装上镜头后(不论相机是开着还是关闭的)，相机便会获知镜头特征，包括最大光圈，哪一组对焦参数等。

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The aperture, zooming and focusing control speed of the camera can be adjusted, which provides facility for the precise adjustment of the camera lens.

摄像机镜头的光圈、变焦、调焦控制速度可调，为精确调整摄像机镜头提供情报方便。

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They do that with a conventional camera by opening up the aperture of the lens and selecting a faster shutter speed.

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The camera's iHS technology and the large-aperture lens work together to deliver high-sensitivity, low noise and blazing auto-focus performance that translates to the highest image quality of any Olympus compact camera.

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It features a 1.2MP front camera for video conferencing and an 8MP rear camera with a large F2.2 aperture, 5-element lens allows for high quality images along with HD video recording.

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