本帖最后由 gotham 于 2009-7-7 14:23 编辑 # ~) s* `7 F" W, A6 X, R ; V s, K# Y7 s, IIt is believed that "1/focal length" is used as the minimum "safe" shutter0 j3 X) l, x& |8 O' F* I
speed for handheld shots. But I believe there are always some "iron hands" existed, lol