本帖最后由 gotham 于 2009-7-7 14:23 编辑 ! N5 c% }. q) Q1 H" f) f7 h7 I$ t. Q5 c
It is believed that "1/focal length" is used as the minimum "safe" shutter# D* o' I' c; J5 _0 k! \9 f
speed for handheld shots. But I believe there are always some "iron hands" existed, lol