At the bottom of dynamic range there is nothing but noise. To have a usably noise-free image one needs to take two factors into account - viewing conditions (mostly magnification) and personal noise tolerance. Subtracting two stops from DxO data may be a decent compromize.
Dear Sir:
Dear Sir:
Short answer is no.
At the bottom of dynamic range there is nothing but noise. To have a usably noise-free image one needs to take two factors into account - viewing conditions (mostly magnification) and personal noise tolerance. Subtracting two stops from DxO data may be a decent compromize.