本帖最后由 gotham 于 2009-7-7 14:23 编辑 : Z/ o( N' n7 Y% [
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It is believed that "1/focal length" is used as the minimum "safe" shutter ' ~6 W6 W4 U, f2 uspeed for handheld shots. But I believe there are always some "iron hands" existed, lol