本帖最后由 gotham 于 2009-7-7 14:23 编辑 , c! i- \% L, Y" ~8 U" {. ^1 r$ @1 U Z+ d) {
It is believed that "1/focal length" is used as the minimum "safe" shutter2 k" s5 _ r6 E' S- V
speed for handheld shots. But I believe there are always some "iron hands" existed, lol