本帖最后由 gotham 于 2009-7-7 14:23 编辑 . r1 | t' d% M8 ^0 f. n/ T
$ H4 K G6 X1 V. ~) { L& [It is believed that "1/focal length" is used as the minimum "safe" shutter6 q3 L1 E& Y4 B4 M: j- b5 ~
speed for handheld shots. But I believe there are always some "iron hands" existed, lol