Here is the diopter I have mentioned.
I think the lever on the rewind knob is for setting the focus range of the rangefnder, not for any diopter issue for your eyes.
take a look on this. I want this piece just with a magnifiying glass
😀
of course the sbooi is great, no matter, but I realy like the built in vf. Too bad, they didnt made it more big like on a Voigtländer Vito B for example.
🙄