本帖最后由 gotham 于 2009-7-7 14:23 编辑 , J. i I; Y2 M% V' U% o6 _# W) ?' Y+ E; p+ [3 O
It is believed that "1/focal length" is used as the minimum "safe" shutter % \+ _& Y" R$ D/ A) H6 qspeed for handheld shots. But I believe there are always some "iron hands" existed, lol