本帖最后由 gotham 于 2009-7-7 14:23 编辑 6 N7 R5 H/ F3 r- X
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It is believed that "1/focal length" is used as the minimum "safe" shutter , F0 v' ^( W* \: n) c* Q8 yspeed for handheld shots. But I believe there are always some "iron hands" existed, lol