FP L

the a7cr is the direct higher end version of the a7cii, buy for most people the sensor is probably overkill and the rest is the same. so for you a7cii might just be the best option. the canon r8 is cheaper, slightly lighter and arguably more ergonomic, they are pretty similar but the a7cii has ibis

Idk if the S9 has "detection" for this, but I went through this with the Sigma FP, also without a mechanical shutter. It was incredibly awful at detecting it, so for anything indoors I just set it to Shutter priority and kept it at 1/60 or 1/125 (for faster motion) and never had issues (Or whatever

I would go with the Sony A7c; it's not as "film-camera-like" as Fuji but it's very small and full-frame, and almost every kind of lens can be adapted to it. I used Minolta lenses on my Sony cameras for years. The Fuji cameras are APS-C, which means your lenses will have a narrower angle of view. The