本帖最后由 gotham 于 2009-7-7 14:23 编辑 Y# R* x5 H# X$ X- S/ i w) E
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It is believed that "1/focal length" is used as the minimum "safe" shutter; P# L6 p2 D5 g s' J3 o- m
speed for handheld shots. But I believe there are always some "iron hands" existed, lol