Roy Cruz put together a video discussing the joy of shooting adapted glass on X-mount cameras. Friends of mine swear by the Helios 44-2, which is a great lens for portraiture. You can even buy them with an adapter attached or buy your own adapter. Beyond Helios there are Jupiter lenses available that are great for the price, but there is a lot of old screw mount glass out there, you can see some of the M42 glass available on Amazon here. Roy’s rather nice collection only cost him $360 including adapters, which is quite affordable compared to modern glass.
The Fujifilm X-T2 and X-T1 are both great cameras for adapted glass thanks to their big electronic view finders. I greatly prefer the X-T2 EVF over any other EVF on the market at this time for shooting adapted glass and highly recommend owners try it. You could even try useing a Canon EOS (EF / EF-S) D/SLR Lens or Nikon Nikkor F Mount G-Type D/SLR Lens adapter for the Fujifilm GFX with a Fotodiox Pro M42 Type 2 Screw Mount Lens to Canon EOS or Fotodiox Pro M42 Type 2 Screw Mount SLR Lens to Nikon F Mount if you can’t wait until they have a single mount adapter. This is not the preferable way to adapt glass, but it has been known to work. A few users in our Fujifilm GFX Owners Group are experimenting with adapted glass already and some of the results are great.
Via Roy Cruz