D3 sensor efficiency

Started Nov 18, 2007 | Discussions thread
Danlo Regular Member • Posts: 322
Re: Operational definitions

ejmartin wrote:

JimPearce wrote:

Could you explain how this notion of dynamic range is related to the
dynamic range we can use in an image, and possibly other useful
things like latitude?

I'll give the example of the 40D, which John Sheehy tested to have
11.1 stops DR

Haha! Then what would the film Kodak Portra 160NC have?? Like 25 stops?! Haha! Give me a break!

Maybee my D3 have like 10 steps of DR or something.. Anything above that is MediumFormat.

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