Dynamic Range -- what it is, what it's good for, and how much you 'need'

Started Oct 17, 2011 | Discussions thread
FrankyM
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Scaling read noise
In reply to Steen Bay, Oct 23, 2011

Steen Bay wrote:

Great Bustard wrote:

SNIP

Yes, if the read noise scales with the linear pixel dimensions, then the 'normalized' noise (like in DxO's 'print' figures) will be the same, and that's what I mean then talking about "same per area read noise" and "equally efficient" sensors. In your example, I'd say that sensor A is more efficient than sensor B.

Can you tell me how read noise does scale in reality (and why)?

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