本帖最后由 gotham 于 2009-7-7 14:23 编辑 1 x( D, c9 A& E/ ]. E: }" H 6 S, z: q' `8 I3 nIt is believed that "1/focal length" is used as the minimum "safe" shutter 1 @, }2 ?- e) r) m2 Rspeed for handheld shots. But I believe there are always some "iron hands" existed, lol