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主题:【原创】单反、旁轴还是傻瓜? -- 晨枫

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家园 you may need a camera with a viewer that shows DOF,

then

(0) focus on the person you want him/her to be clear;

(1) change the aperture from the smallest to the largest,

as large/small as your lens can go;

(2) look through the viewer and decide which aperture can

give you the effect of 灯火阑珊处的境界;

(3) select the desired aperture, then decide the shutter

speed in your camera that can give the correct exposure.

(4) click the shutter.

You probably need to get a lens with f1.4, 1.7 up to 22.

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