本帖最后由 gotham 于 2009-7-7 14:23 编辑 $ y: X# X; z7 K: l6 y7 `5 y" Z; M/ q* G7 w8 o# f0 X/ ^
It is believed that "1/focal length" is used as the minimum "safe" shutter% R6 X( R0 ^ f# c# m; u- Y% D
speed for handheld shots. But I believe there are always some "iron hands" existed, lol