The point of learning Sunny 16 is that once you’ve internalized thinking in full stops, you don’t need visual feedback, which makes you faster, which can make the difference between getting your shot or not and having a happy or angry client.

> Or, you don't need to learn about optical filters (perhaps except for the polarizer) when almost all their functions can be accomplished in software without loss in fidelity.

I still think it’s a good idea to learn what they do, so you know when to use a (digital) BW red filter because you want brighter skin.