Andy38
Member
The M42 adapter was not advertised as being restricted to the use of extension tubes but was supposed to adapt other Petri M42 lenses to the camera body, as evidenced by this page from a Petri Penta manual:
View attachment 225514
As for your summary dismissal of the camera; that defines you more than the camera...
Did you use it ?
At the time, a TLR Rolleiflex T was a bit less pricey...
I have found only one M42 compatible lens among brands different from Petri, the old 44-2 Zenit.
Nice to see, hard to use, that is why I think this camera is better for a collector than for a user...
Yersterday, I received a Voigtländer Prominent with the reflex housing for Telomar ; it's a fantastic mechanics but I prefer to use a less complicated one !