本帖最后由 gotham 于 2009-7-7 14:23 编辑 ] v0 I$ A) Y- A. B3 r+ ]8 q( ~8 z' ?& [3 z
It is believed that "1/focal length" is used as the minimum "safe" shutter. g* v) P# u. W3 b
speed for handheld shots. But I believe there are always some "iron hands" existed, lol