Quote Originally Posted by bernard_L View Post
You probably mean the lens will not focus to infinity on the groundglass. And probably it had proper infinity focus on the film. SO it's better that you could not adjust the lens distance. Now, the groundglass mis-focus can have two causes: (a) the groundglass position; (b) the reflex mirror position. Better make sure you adjust the one that is mis-aligned; although in principle you can compensate one with the other, except for side effects on frame alignment.

Good luck
Why I suggested the method I did. If this camera had a 100% viewfinder, frame alignment would be critical; it doesn't, so it isn't. Although it would be a good idea to verify that the mirror is resting solidly on it's stops.