本帖最后由 gotham 于 2009-7-7 14:23 编辑 9 I8 f' }7 ]( l2 k- h g
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It is believed that "1/focal length" is used as the minimum "safe" shutter' x4 W6 D2 d5 J% H: u
speed for handheld shots. But I believe there are always some "iron hands" existed, lol