Digital BW, The Print

At 12:30 AM 7/23/02 +0000, you wrote:

>Someone please correct me if I'm wrong, but this is how I understand it to
>work:
>
>The use of ICE involves a separate infrared scan. The base and dye clouds in
>colour film (and chromogenic B&W) pass infrared light, dust particles block
>it. ICE uses the difference between the infrared scan and the colour scan to
>automatically "spot" out the dust particles and surface defects. With colour
>films this works very well; the images are free of dust and often show a
>subtle smoothness from the removal of surface defects. Previous versions of
>ICE softened the images slightly, but with the 8000 there's no loss of
>sharpness.
>
>Conventional B&W film is to varying degrees opaque under the infrared scan,
>and ICE'd B&W negs tend to turn out very contrasty, almost like lith film.


I was told that the ICE software reads the silver in conventional B&W film 
as dirt and tries to remove it.  That results in a very contrasty, unusable 
scan.
C41 process B&W works great, however.  It scans beautifully with the ICE 
turned on.

Tina


Tina Manley, ASMP
http://www.tinamanley.com

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