If you're a camera novice, you probably don't care much about setting aperture, shutter speed, ISO, or white balance.

如果你是一个相机新手，你或许不会太关心设置光圈、快门速度、感光度，或亮度对比。

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The simplest way to do this is to choose a small Aperture setting (a large number) as the smaller your aperture the greater the depth of field in your shots.

最简单的办法是选用最小的光圈设定（镜头上显示的最大的数字），光圈越小，你所获得照片的景深就会越大。

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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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For years, I have worked with bulky digital cameras, always mindful of the technical maneuvers from setting the shutter speed and aperture to editing and toning on a computer screen.

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If we assume you have the correct exposure setting for a given scene, and you wish to change the aperture, you must also make a change to the shutter speed or ISO to compensate for the increase or loss of light.

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