D3X vs 5D2 - myth and reality

Started Jan 26, 2009 | Discussions thread
bobn2
bobn2 Forum Pro • Posts: 61,165
Re: Scaling

GaborSch wrote:

ejmartin wrote:

Do you compensate for any software multiplier that Nikon applies to
the R channel? The D300 had the R channel stretched by about 1.25
which is 1/3 stop. Without compensating for this, one would
underestimate the G channel DR by 1/3 stop using your method.

1. there is no need to compensate for that,

b. notwithstanding the above, this does not impede the DR calculation.

Hang on, Gabor. You said you didn't make a DR calculation. If you did, how do you make it from your measurements?
--
Bob

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