本帖最后由 gotham 于 2009-7-7 14:23 编辑 - f9 C. F) t7 G8 {$ U
, d' A3 e. E% W( K* B/ r5 P% T$ zIt is believed that "1/focal length" is used as the minimum "safe" shutter& {( ?" h) U: |; z7 `& n
speed for handheld shots. But I believe there are always some "iron hands" existed, lol