本帖最后由 gotham 于 2009-7-7 14:23 编辑 . n: p! A8 J/ r% D9 w- _! ~* S# @
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It is believed that "1/focal length" is used as the minimum "safe" shutter( H- o3 p+ ], A' a
speed for handheld shots. But I believe there are always some "iron hands" existed, lol