本帖最后由 gotham 于 2009-7-7 14:23 编辑 ; I6 J7 B2 ^2 x' ^! O$ s% Q" A. _0 a5 P5 i$ e& v1 D" Y
It is believed that "1/focal length" is used as the minimum "safe" shutter! b$ w/ \9 ]4 a2 F$ }
speed for handheld shots. But I believe there are always some "iron hands" existed, lol