Honeywell Pentax Spotmatic

Some articles on pentax:

List Of Pentax Products - Film Cameras - 35 Mm SLR Cameras - M42 Screw Mount
... Cameras using the M42 lens mount, also known as the Pentax screw mount ... Asahi Pentax (1957) — also sold as the Tower 26 Asahi Pentax S (1958) — also sold as the Tower 26 Asahi Pentax K (1958) — also sold as the Tower 29 Asahi Pentax S2/H2 (1959) — also sold ...