i`ve done a little shoot-out (sooc, iso 200, noise 0, sharpness 0, total, crop left upper, crop center) in the german forum between...
schneider kreuznach: tele-xenar 1:3.5/135; 6 blade; m42; adaptor kiwi
at f-stop 3.5 / 8 / 11
voigtländer: color-dynarex 1:4/135; 6 blade; m42; adaptor kiwi
at f-stop 4 / 8 / 11
olympus om: e.zuiko auto-t 1:3.5/135; 8 blade; oly-bajonet; adaptor quenox
at f-stop 3.5 / 8 / 11
...imho the oly is clearly the best of these three.
since i own a mint vivitar series1 1:2.5/90 macro (bokina) this is now my prefered short telephoto lense because of its additional macro capabilities.