Olympus Pen EE-2 brand_Stearman Press or rangefinder- and you might

or rangefinder- and you might be able to squeeze in a small SLR if you're feeling lucky

Original Leitz catalog featuring the M3

with some wear on the body side and very minor wear elsewhere

The Asahi SMC Takumar 55mm f2 is a standard lens for the M42 thread mount

and it'll work well on all of them- it even has electronic contacts for autoexposure functionality

Olympus Pen EE-2 brand_Stearman Press or rangefinder- and you mightThe Olympus Pen EE 2 is a compact fixed focus half frame camera with a 28mm f2. 8 D. Zuiko lens and autoexposure essentially a point & shoot, but built like an old school all metal classic. Light cosmetic wear, good function. The half frame nature of this camera means you get 72 vertical shots per standard 36 exposure roll of film.