>>4347457There are different responses to the various frequencies of light, depending on the film stock. In digital the buzzword is "metamerism" but it's really more complicated than that. Anyway once the spectrum has been converted to three colors of dye clouds via exposure and development the magic is over and everyone should feel free to map those to positive RGB with whatever curves look good.
>out of curiosity which cameras?They're homemade, here is an old pic. I been on a b&w 35mm kick lately though.