本帖最后由 gotham 于 2009-7-7 14:23 编辑 - D9 Q, m; C! O7 p* u
" g9 W% J7 I' u: \) ^6 z) \It is believed that "1/focal length" is used as the minimum "safe" shutter4 J8 M- u2 Z- @! S( `0 O9 h
speed for handheld shots. But I believe there are always some "iron hands" existed, lol