Alpha a7R III A

getting a used Full frame mirrorless from a few years ago is probably the way to go, since they are not only generally good options but ideal for adapting your fd lenses. if you want decent autofocus, you can go with an canon r6 or sony a7riii but they wont leave much budget for more lenses, a7iii a

Arguably the stepping up and still having sufficient resolution is possible also on Canon (R5 lines) and Nikon (Z7, z8, and Z9 lines) as with Sony (A7R and A1 lines). I agree Sony has a better APS-C lineup as that's the product of Sony's original commitment to APS-C all the way back to NEX camera. E