本帖最后由 gotham 于 2009-7-7 14:23 编辑 + g5 _, |5 T: G+ V' q, S+ t# u
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It is believed that "1/focal length" is used as the minimum "safe" shutter0 K/ y0 }9 |3 n7 `2 \
speed for handheld shots. But I believe there are always some "iron hands" existed, lol