Noise... camera ISO sweet spots?

Started Dec 28, 2012 | Discussions thread
DSPographer
Senior MemberPosts: 2,255
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Re: Hmm...
In reply to Great Bustard, Dec 31, 2012

Great Bustard wrote:

...I was basing my comments on sensorgen's figures for the D800:

http://www.sensorgen.info/NikonD800.html

which show a flat read noise response with regard to ISO, more or less.

There is something wrong with sensorgen's numbers. He is attempting to fit DXOmark's data, but somehow comes up with different values than I do. My fit to DXOmark's data is exact- which shows that they plotting a fit themselves instead of raw data. Since my fit to the DXOmark plot data is exact, I think sensorgen must be doing something wrong to get different values.

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