Re: [Digital BW] B&W with ICE
2002-07-23 by Tina Manley
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 images available from: http://www.pdiphotos.com http://www.mira.com http://www.agpix.com http://www.newscom.com