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[APML] Background banding



Hi All,
I've recently been photographing at the f5.4 prime focus of my TV NP101 using Kodak elitechrome 200 and had my transparencies developed at a local professional lab. I've noticed faint green and magenta bands in the background running along the long length of the frame when the image is contrast stretched in PS. The bands are not detectable on the original film. See image http://www.thecarsons.demon.co.uk/M33.htm and http://www.thecarsons.demon.co.uk/M31.htm on my web site for examples.
Can anyone tell me if they are in the film or caused when scanning using my Minolta dimage Dual 3 and how best to get rid of them.
 
Thanks
 
Peter Carson
 
 
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