本帖最后由 gotham 于 2009-7-7 14:23 编辑 9 p0 i# m9 ^2 L
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It is believed that "1/focal length" is used as the minimum "safe" shutter* K( Q) j2 n8 w% y6 l1 u
speed for handheld shots. But I believe there are always some "iron hands" existed, lol