I've been following this progression on grain.....it's all very interesting.....can't claim to understand the science behind it all, but I've been getting grain on scans as well like Misha. Using 100 ISO film as well....at 4000 ppi, 42 bit scans. And when viewed at 100% it can be quite unattractive to look at....so while that program you were talking of seems like a good option, it would be great to eliminate it all together....plus it's still on the pricey side......

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