From: Michael Sinclair (gruesomegrinch@hotmail.com)
Date: 02/17/03-09:56:30 PM Z
Hello everyone,
I'm taking a workshop that includes preparing digital negatives to be 
contact printed using a variety of alt processes.  I'm starting from 35mm, 
so I rented a Nikon Coolscan 4000 ED for a day, figuring I'd do a blitz on 
my recent faves.  I did slides, color negs and B&W negs.
Then I went to look at them in Photoshop.  The slides were fine, but the 
shots from the negs were not.  Going into Levels, I found that the black end 
of the histogram, from 0-23, was empty.  Approx 10% of the tonal range was 
missing.
Like I said, the slides were fine, but even so I phoned the rental joint; 
they checked out the scanner and said it was fine.  I took my negs and put 
them under a densitometer; true black is definitely there.  Conclusion: 
somehow I screwed up the scans.
Does this ring a bell with anyone?
Thx, Michael
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