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[filmscanners] RE: IV ED dynamic range

Hi Bob,

It could be either or both...  Density range is merely the extents that it
can capture density...but dynamic range is the resolution within that
density range.

If one scanner has a density range of 4.2, compared to 3.6...the density
range of 4.2 is better.  If the scanner has 14 bits, and the other has 12,
and all the bits are "good", the 14 bit scanner has higher dynamic range.



> -----Original Message-----
> From: filmscanners_owner@halftone.co.uk
> [mailto:filmscanners_owner@halftone.co.uk]On Behalf Of Bob Frost
> Sent: Wednesday, August 07, 2002 1:56 PM
> To: darkroom@ix.netcom.com
> Subject: [filmscanners] Re: IV ED dynamic range
> Charlie,
> Nikon claims better 'Density Range' for the LS4000 not 'Dynamic
> Range'. I'm
> sure Austin would tell us which is correct!!! I've forgotten already.
> Bob Frost.
> ----- Original Message -----
> From: "Charlie" <charlieh@wt.net>
> I don't know if your supposition about the dynamic range of the IV vs
> the LS 4000 is correct or not. Test shots I've seen seem to indicate
> better shadow detail for the 4000, but I don't have one and have no
> experience using one.* The LS 4000, as best I can recall, "claims"
> better dynamic range..... but of course all claims of dynamic range
> performance are suspect.

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