本帖最后由 gotham 于 2009-7-7 14:23 编辑 - }7 V; q R+ N* V
/ l6 U$ V: x' d9 i0 ~
It is believed that "1/focal length" is used as the minimum "safe" shutter+ c6 a( t# m% u0 I4 v9 w0 G
speed for handheld shots. But I believe there are always some "iron hands" existed, lol