本帖最后由 gotham 于 2009-7-7 14:23 编辑 1 P: g6 M5 E* x) A [' t# I- ? s) k. A
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It is believed that "1/focal length" is used as the minimum "safe" shutter- R1 g# n# S. c& p
speed for handheld shots. But I believe there are always some "iron hands" existed, lol