@carl-witthoft: another pricey non-Nikon camera which I use maps reds to magentish reds. I guess that I should not be forced to buy $9001 gear to get what RAW developing software gives me for free using just one profile for all samples of each model.
>but if you don't know the color-filter parameters, good luck doing your own mappings
Colour profile is not a miracle, it is built using samples from real life: skin, flowers, grass, textile dyes, whatever. I have collected hundreds of samples and made my own matrix profile and I improve it over time. I never used spectral response graph to g…