本帖最后由 gotham 于 2009-7-7 14:23 编辑 / r- Q* a7 k: U" G9 O, E( I6 |* ~: Z4 ]
It is believed that "1/focal length" is used as the minimum "safe" shutter" q8 t2 i3 x. x$ H4 A% p
speed for handheld shots. But I believe there are always some "iron hands" existed, lol