本帖最后由 gotham 于 2009-7-7 14:23 编辑 ; Y- O- r+ o: o, [6 l, |
( G6 C: a7 f2 V% N
It is believed that "1/focal length" is used as the minimum "safe" shutter 9 n* V* t4 P! r4 z) g* p' g1 Fspeed for handheld shots. But I believe there are always some "iron hands" existed, lol