本帖最后由 gotham 于 2009-7-7 14:23 编辑 9 }; m) G6 }4 C+ q4 k. W
7 a/ f1 N- |7 M5 P: [/ |It is believed that "1/focal length" is used as the minimum "safe" shutter # R- Y% b: J3 f) x$ ispeed for handheld shots. But I believe there are always some "iron hands" existed, lol