本帖最后由 gotham 于 2009-7-7 14:23 编辑 ( S& G0 W( s) U8 G' x: W2 l. x8 Y4 `6 d+ f+ B
It is believed that "1/focal length" is used as the minimum "safe" shutter" t& Q4 k9 X- ~& L
speed for handheld shots. But I believe there are always some "iron hands" existed, lol