Archived posting to the Leica Users Group, 2002/04/06

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Subject: RE: [Leica] Printing C-41 black/white
From: Adam Bridge <abridge@idea-processing.com>
Date: Sat, 6 Apr 2002 15:06:59 -0800

On 4/6/02 Leica Boy  wrote:

>Many C-41 B&W films (Ilford XP2, Kodak T400CN, Kodak Portra 400 BW) are
>scanned as "color negative" film in many of todays film scanners.  This is
>so the scanner's CCD and software know how to interpolate my film (that's my
>understanding at least, if I'm wrong, please correct me accordingly).
>
>If you try to scan C-41 B&W as 8 or 16 bit Grayscale, the image usually does
>not produce what you would expect from a B&W image. If memory serves me
>correctly, you'd end up with this horrid looking image that's no where close
>to the actual image on the neg.

Thanks for this note. I've only shot one roll of C-41 film to this point - it
was Ilford XP2 - and I didn't think to try to scan it as color. I just scanned
it in my Coolscan 4000 like I do any silver B&W film. It didn't seem to make
awful scans. But I'll go back and play, now that I understand that scanning it
as a color film might be better.

Thanks

Adam
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