回复：Same

I think the real reason you can reduce noise this way is because if you expose 450 seconds, your sensor will overheat. THAT will actually increase your noise a great deal. You simply got rid of the overheating.

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• This is another case where "everything else" is not the same -pieq314- ♀ (240 bytes) () 02/22/2007 postreply 15:10:57