本帖最后由 gotham 于 2009-7-7 14:23 编辑 {5 U& y ]0 F+ l+ s% y: l
9 \" N6 g; |0 g1 c2 P8 RIt is believed that "1/focal length" is used as the minimum "safe" shutter! `8 O* t) _% l) m' h
speed for handheld shots. But I believe there are always some "iron hands" existed, lol