本帖最后由 gotham 于 2009-7-7 14:23 编辑 H4 N' V/ X; x+ k e 9 Z2 A* }7 o& t0 r$ H6 }( O uIt is believed that "1/focal length" is used as the minimum "safe" shutter + B4 |, |' r/ K& H Qspeed for handheld shots. But I believe there are always some "iron hands" existed, lol