Name Manufacturer / Model	Mount Bayonet	Type Category	Year Released	Focal mm	Aperture f/	Weight g
PentaxAsahi Takumar 100mm F/3.5	M37	Telephoto	1952	100mm	f/3.5	250g
PentaxAsahi Takumar 50mm F/3.5	M37	Prime	1952	50mm	f/3.5	160g
PentaxAsahi TAKUMAR 50mm F/3.5 [I]	M37	Prime	1952	50mm	f/3.5	160g
PentaxAsahi TAKUMAR 50mm F/3.5 [II]	M37	Prime	1953	50mm	f/3.5	160g
PentaxAsahi Takumar 50mm F/3.5 Type 1	M37	Prime	1952	50mm	f/3.5	160g
PentaxAsahi Takumar 50mm F/3.5 Type 2	M37	Prime	1953	50mm	f/3.5	160g
PentaxAsahi Takumar 58mm F/2.4	M37	Prime	1954	58mm	f/2.4	230g
PentaxAsahi TAKUMAR 83mm F/1.9	M37	Portrait	1953	83mm	f/1.9	370g
PentaxAsahi TAKUMAR 83mm F/1.9 [I]	M37	Portrait	1953	83mm	f/1.9	370g
PentaxAsahi TAKUMAR 83mm F/1.9 [II]	M37	Portrait	1955	83mm	f/1.9	440g
PentaxAsahi Takumar 83mm F/1.9 Type 1	M37	Portrait	1953	83mm	f/1.9	370g
PentaxAsahi Takumar 83mm F/1.9 Type 2	M37	Portrait	1955	83mm	f/1.9	440g
PentaxAsahi Tele-photo Takumar 500mm F/5	M37	Telephoto	1953	500mm	f/5	2850g
PentaxAsahi Tele-Takumar 135mm F/3.5	M37	Telephoto	1953	135mm	f/3.5	480g