本帖最后由 gotham 于 2009-7-7 14:23 编辑 8 i! d6 v3 I/ U7 r5 @4 e" c # U- m" L1 h, J/ JIt is believed that "1/focal length" is used as the minimum "safe" shutter' Q. q1 `( v7 o4 a
speed for handheld shots. But I believe there are always some "iron hands" existed, lol