本帖最后由 gotham 于 2009-7-7 14:23 编辑 1 c, \1 a' C4 X! Z; C' a" {# n) d& E
/ s$ a; C1 B, O2 v s0 x0 b0 J& QIt is believed that "1/focal length" is used as the minimum "safe" shutter & {1 u8 z( [, e& u, Z T. Mspeed for handheld shots. But I believe there are always some "iron hands" existed, lol