本帖最后由 gotham 于 2009-7-7 14:23 编辑 6 q5 D7 z) W; [ 0 t; E+ G m; ~3 O9 fIt is believed that "1/focal length" is used as the minimum "safe" shutter) {# U. M d- B2 \; ~* W+ Y
speed for handheld shots. But I believe there are always some "iron hands" existed, lol