本帖最后由 gotham 于 2009-7-7 14:23 编辑 , {7 H9 z( t% {! e2 {* @% n" H; f3 n3 e0 G F3 g
It is believed that "1/focal length" is used as the minimum "safe" shutter ! h5 m# g- v% @5 {8 l4 c+ J. O6 n, espeed for handheld shots. But I believe there are always some "iron hands" existed, lol