Originally Posted by jwalker
Andy, is the film damaged or is it just marked with grease and fingerprints? If it's just marked try using some Fairy Liquid in a small amount of warm water and then rinse it off. Wipe gently with a kitchen towel, use a new sheet for each wipe. I use this if I mark a camera lens, computer screen, CDs and also on me specs.
JW, I wouldn't use a paper towel of any type on a screen or lens. They are quite abrasive due to the pulp fibres (even the softest Andrex). May be OK on plain glass, but will eventually affect anything coated. Lint-free cloth every time!