In message <[log in to unmask]> on Wed, 19
Dec 2001, D. Kent Thompson <[log in to unmask]> wrote

 >you will more importantly need to have the highest dynamic range you
 >can find...this is a term that relates to the contrast range (from the
 >shadows to the highlights) that the scanner is able to hold....cheap
 >scanners have low dynamic ranges...for transparencies & negs, you'll
 >need the highest you can afford. Something comparable to what you'd
 >find in a desktop slide scanner most likely....and even then, it may be
 >tough to get a good scan.

Can you tell us what figures to look for as a measure of dynamic range?
In what units is it measured and what values should we expect for a
"cheap" scanner and a "good" scanner? Are these values different for
colour and monochrome scans?

Leonard Will

--
Willpower Information       (Partners: Dr Leonard D Will, Sheena E Will)
Information Management Consultants              Tel: +44 (0)20 8372 0092
27 Calshot Way, Enfield, Middlesex EN2 7BQ, UK. Fax: +44 (0)20 8372 0094
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