本帖最后由 gotham 于 2009-7-7 14:23 编辑 / D3 [+ F+ ~. K; ]0 T & }: M- x' t. r/ O- {+ F$ d6 }It is believed that "1/focal length" is used as the minimum "safe" shutter" {0 p& r' Z* v7 u% s- r5 G6 Z1 z
speed for handheld shots. But I believe there are always some "iron hands" existed, lol