> From: Arthur Entlich > > Kodachrome films are unique n their processing, in that they are almost > a dye transfer process. They start out as black and white films with a > number of extra filtering layers to make the color separations. The > actual color is added during the processing, with dyes. > > What that means is that the colors can be changed as "simply" as using a > different dye solution on one of more of the dye batches. Although I > don't know how many times such changes occurred, but Kodak changed the > colors in Kodachrome man times in its lifespan. Profiling will > certainly help accuracy, but be prepared for variations based upon age, > fade, and more importantly dye lot and Kodak's specs at the time.
I'll keep an eye out for changes. Fortunately, my slides aren't _too_ old, going back only about twenty years. And it's all Kodachrome 25, no 64 or 200. -- Ciao, Paul D. DeRocco Paul mailto:[EMAIL PROTECTED] ---------------------------------------------------------------------------------------- Unsubscribe by mail to [EMAIL PROTECTED], with 'unsubscribe filmscanners' or 'unsubscribe filmscanners_digest' (as appropriate) in the message title or body
