by RAG » Tue Feb 21, 2006 5:57 pm
Ashok,
Regardless of brand you should look for the following:
Dynamic range (DMAX - DMIN = dynamic range) - The higher the dynamic range the better the shadow detail. The current printing technology seems to have a maximum dynamic range of about 3.3 so if that is your intended final output make sure the scanner at least matches that number.
Image Resolution - You want to make sure the optical scanning resolution is high enough to provide the largest intended output size.
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