本帖最后由 gotham 于 2009-7-7 14:23 编辑 ( h) Q0 Y. P; \& z4 e8 Y8 o; N/ P5 f/ H& P
It is believed that "1/focal length" is used as the minimum "safe" shutter% t" w% R7 W K C) k
speed for handheld shots. But I believe there are always some "iron hands" existed, lol