右侧是在f/2.8的光圈拍摄的：火炬灯为焦点，但是背后的房屋和树已经模糊得难以辨认了，这就是浅景深。

The right side, on the other hand, was shot at f/2.8: The torch is in focus, but the trees and the house are melted beyond recognition.

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例如，这里有一张笑脸符号的小黑白照片，既模糊又难以辨认，看上去就像是小学生拙劣的模仿作品。

Consider, for instance, a blurry little black-and-white photograph of a smiley-face icon, so fuzzy and ill-defined it looks like a parody of the Shroud of Turin.

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