Moon Maid's sensor comparison

Started Feb 29, 2012 | Discussions thread
OP Marianne Oelund Veteran Member • Posts: 7,766
Where speculation ends

jenella wrote:

If the latter is true... its just more speculation IMO despite all the fancy charts and graphs.

If you know me, you're aware of how fiercely independent I am. The data is derived from my own analysis of sample images, and no other sources or tests were considered.

D800 data

You can safely assume that curves shown for the D800 are, if anything, underestimating the performance of the production camera. The sensor parameters were derived from NEF sample images, and there is solid proof in those images, that the D800 will at least meet the performance shown. I have only posted this information, because all of the base data collected is completely consistent, makes sense against similar sensors (D7000), and passes all of my reasonableness checks.

D4 data

Below ISO 400, D4 performance hasn't been precisely established. The ISO 200 curves are a bit of an extrapolation, and there is a possibility that the production camera may be very slightly worse in SNR than shown. However, the potential shift in the curve is so small, that it would be quite difficult to see in these plots. I am expecting any correction to be less than 1dB.

D3 and D3s
This data comes from my own cameras, and is very well supported.

Other ISO values

My website has curve sets for all principal ISO values 200-12800, which you can access by editing the URL's provided in the opening post.

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