本帖最后由 gotham 于 2009-7-7 14:23 编辑 / Z: i0 O9 p, D5 Y$ i, C& Z
B# E( K5 C. |) NIt is believed that "1/focal length" is used as the minimum "safe" shutter 7 R/ ?4 r6 ^* y! N, K7 N8 hspeed for handheld shots. But I believe there are always some "iron hands" existed, lol