Does anybody know a source/document that would show how different wavelengths affect contrast while using multi contrast paper? I searched data sheets for AGFA/Ilford/Kodak and could only explanations about their correspondent filter sets. The reason I am asking is that I made a diffuser to my Durst Laborator 1000 that fits like a drawer replacing the condensers (so I have now a two in one). I used regular rgb LED strips. The result was so good that I want to make an improved one, with monochrome leds and actual control on the amount/mix of different wavelengths in green/ blue region.
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