本帖最后由 gotham 于 2009-7-7 14:23 编辑 0 X$ K& L# P4 T! L/ H% J
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It is believed that "1/focal length" is used as the minimum "safe" shutter 1 V" G- B- p% M9 j: M8 Bspeed for handheld shots. But I believe there are always some "iron hands" existed, lol