It's not that, because classic film lenses are used on digital mirror less cameras rather routinely. Film has a pleasing, gradual acutance compared to digital -

It's not that, because classic film lenses are used on digital mirror less cameras rather routinely. Film has a pleasing, gradual acutance compared to digital - especially in high contrast areas. Edit: but you are correct that chromatic aberration, distortion, and other things probably take a backseat to resolution these days, since those things are easier to correct in post.