本帖最后由 gotham 于 2009-7-7 14:23 编辑 9 c) l) m- L% O6 S4 O+ I; T
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It is believed that "1/focal length" is used as the minimum "safe" shutter ' ], K! ?5 K; [speed for handheld shots. But I believe there are always some "iron hands" existed, lol