Re: scanner density-value relation

From: Ender100@aol.com
Subject: Re: scanner density-value relation
Date: Tue, 08 Mar 2005 21:18:14 -0500 (EST)

> This is a very common complaint about the advertised capabilities of
> about all scanners. I doubt if any can actually scan the
> transmission densities that they claim in their specs. This is
> easily tested by doing as you did, scanning a standard test tablet.

I see. But the reason I posted was some hope that someone might have
measured practically usable Dmax (say the density where the slope of
the tangent line drops to 1/2 of that of the straight line segment, or
whatever other criterion to determine the point where the line breaks
off) and s/he is willing to post... After seeing several online review
sites I'm impressed by the vocabulary of the reviewers but not by
conveying this piece of critical information... Maybe because if
reviewers do this, then they will never get a piece of equipment for
evaluation in the future?

--
Ryuji Suzuki
"Well, believing is all right, just don't let the wrong people know
what it's all about." (Bob Dylan, Need a Woman, 1982)