Hi PE,

What kind of b&w film is best for this purpose? TMax100/Plus-X/Tri-X/TMax400?

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You said, "4. B&W film can be processed in Kodachrome chemistry to yield a color image by the method I described here at least 2 different times. You use 3 sheets of film to create 3 images which are then processed in 3 color developers using a reversal process. The laminated sheets (or roll film if you wish) then form a very beautiful and authentic Kodachrome image. It works. That is one of the ways we tested single layer color coatings.."