本帖最后由 gotham 于 2009-7-7 14:23 编辑 ! J: F4 ^4 Z4 v3 x4 S3 w) k; i+ {7 i+ c/ ^, P
It is believed that "1/focal length" is used as the minimum "safe" shutter) _) T7 y8 D2 e3 W5 l3 u
speed for handheld shots. But I believe there are always some "iron hands" existed, lol