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。
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.
一般的解决方法就是用比镜头最大光圈小一些的光圈值，然后用屏幕预览，放大，确认每个人看上去都挺好。
The solution is often to shoot a few clicks smaller than the lenses widest aperture, then use the preview screen and zoom button on your camera to make sure everyone is looking good.
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。
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.
即便你打算使用小光圈照相，带有最大光圈的镜头也可以在取景时大大增加取景器亮度。
Even if you intend to expose using a small aperture, a lens with a large maximum aperture can greatly increase viewfinder brightness.
用你的50mmf/1.8定焦头，光圈开最大拍一张特无聊的照片，让你拍的东西只有一丁点在焦距上。
Take a boring photo with your 50mm f/1.8 prime wide open, with a small sliver of your subject in focus.
这只适用于那些使用全功能相机的人，但是尽可能的使用最大光圈能够确保最大亮度，来让焦点尽量聚焦在前景上。
This will only apply to those using full cameras, but using the widest aperture available to you will ensure the maximum level of light, allowing the majority of focus on the foreground.
将镜头对焦至无限远，对准英仙座或其邻近星座，把光圈调至最大，曝光5分钟，应有收获。
Camera lens should be set to infinity with maximum aperture. then point the camera to perseus or neighbour constellations for a5-minute exposure time and try your luck.
由于在远心系统中最大视场直接关系到镜头的镜头的光圈到物体之间的距离，若需要大的视场就必须要有大尺寸的前置镜头。
Because maximum field of view in telecentric systems directly relates to the lens aperture closest to the object, larger front lenses are necessary for larger fields of view.
这种技巧称为“最大光圈”，通过调整数码相机设置，让更多光线进入镜头，便可完成。
This is a technique called Maximum Aperture, and is done by adjusting the Settings on your digital camera to let more light pass through the lens.
这种技巧称为“最大光圈”，通过调整数码相机设置，让更多光线进入镜头，便可完成。
This is a technique called Maximum Aperture, and is done by adjusting the Settings on your digital camera to let more light pass through the lens.
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