本帖最后由 gotham 于 2009-7-7 14:23 编辑 ; e" O* r" [' ? 5 z) _. w X$ a5 _# `6 z6 L3 [It is believed that "1/focal length" is used as the minimum "safe" shutter. A. s/ J i' a
speed for handheld shots. But I believe there are always some "iron hands" existed, lol