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RE: filmscanners: Nikon MF LED light source...

On Tue, 17 Jul 2001 08:11:58 -0400  Austin Franklin 
(darkroom@ix.netcom.com) wrote:

>  Many
> scanner documents have used the term DMax interchangeably with dynamic
> range.

They are wrong to do so :)

DMax is a measure of the minimum transmissive opacity of a film. DMin is a 
measure of the maximum transmissive opacity. Dynamic range is DMax-DMin.

Pretending DMin=0 is of course beneficial for marketing purposes ;)


Tony Sleep
http://www.halftone.co.uk - Online portfolio & exhibit; + film scanner info 
& comparisons


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