D700 vs Df: same exposure settings but 0.9 stops file exposure difference

Started 7 months ago | Discussions thread
David314
Veteran MemberPosts: 4,606
Like?
like to see raw histograms
In reply to DimLS, 7 months ago

DimLS wrote:

I noticed smthg strange today, as i took an indoor test shoot:

D700, Ultron 40mm, ISO 6400, 1/60, f8, RAW

Df, Same Ultron 40mm, ISO 6400, 1/60, f8, RAW

And the Df file is 0.9 stops more dimm than the d700 file.

What do you think about it?

  • Moreover, when both files are made to have the same brightness curne in ACR, the noise is the same
  • Moreover, on DXO, D700 and DF have the same values for color sensitivity, noise for e.g. ISO 200,400,800,1600...as if the sensor of Df is not better in the noise, color sensitivity department, which is exactly what i saw with the test shot.

What do you think about it?

That sounds like a lot,

I would want to see the raw histograms using rawdigger

dxomark shows an advantage in noise color sensitivity etc.

and shows the Df as having a slightly greater measured ISO vice the D700 at the same setting

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