本帖最后由 gotham 于 2009-7-7 14:23 编辑 . u$ t* ?4 ~9 V& N5 u; E1 J! ` & q, M; I& m O9 o0 f0 @- ?6 yIt is believed that "1/focal length" is used as the minimum "safe" shutter, S7 T: G4 J4 ?; g @5 W ?7 K
speed for handheld shots. But I believe there are always some "iron hands" existed, lol