本帖最后由 gotham 于 2009-7-7 14:23 编辑 $ g8 A' @+ O( f# W( r
4 M4 w* m6 ^, X* I4 z1 EIt is believed that "1/focal length" is used as the minimum "safe" shutter, e3 Z( X9 Q& }3 l2 B8 l: R
speed for handheld shots. But I believe there are always some "iron hands" existed, lol