Something worth adding here for those who want to complicate their lives even more, these equivalences get complicated when you need to compare across different

Something worth adding here for those who want to complicate their lives even more, these equivalences get complicated when you need to compare across different sensor formats (full-frame vs crop vs micro-4/3rds). Something I learned recently is that f/5.6 on a 300mm lens on a crop sensor is more similar to something like an f/8 or f/11 on a 450mm on a full frame. Including ISO into this makes that comparison more complicated as well. More on that subject https://photographylife.com/equivalence-also-includes-aperture-and-iso https://photographylife.com/equivalence-also-includes-apertu...