The proof is in the printing ...

Started May 30, 2013 | Discussions thread
Sergey_Green Forum Pro • Posts: 11,748
Hmm ..

John King wrote:

Sergey_Green wrote:

John King wrote:


DxO "measurements" do seem to bear little relationship to any kind of photographic reality.
I much prefer Bill Claff's more scientific approach - start with measuring real world examples, then try to make sense of it, and order it in a meaningful, structured way.


You call this approach more scientific?

Yes. Bill measures actual RAW file values, then plots the results against the ISO at which they were exposed. He does not use secondary or worse data/references.

As Bill Claff himself stated in this post,

Re: Stupid Question
I don't measure or report based on "real" ISO but on the manufacturer stated ISO.
So who do we believe, you, or the person you cited?

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- sergey

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