Quote:
Originally Posted by M1903A1
Having attended more slide/movie shows than I can count (as a train buff), I remember case after case of Kodachrome images that were fifty or more years old yet still looked like they been shot yesterday, while Ansco or even Ektachrome images--that were only twenty or thirty years old--were washed out and turning red or blue.
The secret of Kodachrome, I've been told, was that the film itself was three separate layers of black-and-white emulsion with filter layers, that responded according to the three basic colors. The color dyes themselves were added during the development process, which I've heard involved as many as fifteen different, tightly-controlled steps.
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Three of the steps in processing K-14 is actually a re-exposure of the film to different colors of light. I used to be a KC whore in my younger days as a budding photographer. I could do my own E-6, and C-41 processing, but there was always something wonderful about Koda-Chrome.
One of my favorite films back then was Kodachrome 25...then printing the slides on good old Cibachrome. Remember that?