Its accessory maps just like curvature or cavity you can render that in most software or fake it in photoshop , use is rather simple just blur a copy of your model and use for example depth mask as layer mask things that are close will be sharp and in focus things that are far will be blurred Most things in art a lie…
Why not try adding atmosphere to some of your renders? Everything around us in real life has atmosphere, like particles of different things. I feel that's one of the biggest ways to add realism/depth/life to a project and escape the more cg look (unless that is your goal of course!). I feel I should give an example. Take a…