Name Manufacturer / Model	Mount Bayonet	Type Category	Year Released	Focal mm	Aperture f/	Weight g
TeikokuKogaku / Zunow Opt. Zunow 50mm F/1.1	CONTAX	Portrait	1955	50mm	f/1.1	—
TeikokuKogaku / Zunow Opt. Zunow 50mm F/1.1 [II]	CONTAX	Portrait	1955	50mm	f/1.1	—
TeikokuKogaku / Zunow Opt. Zunow 50mm F/1.1 [II] For Contax	CONTAX	Portrait	1955	50mm	f/1.1	—
TeikokuKogaku / Zunow Opt. Zunow 50mm F/1.1 [II] For Nikon S	NIKON S	Portrait	1955	50mm	f/1.1	—
TeikokuKogaku / Zunow Opt. Zunow 50mm F/1.1 [II] LSM	M39	Portrait	1955	50mm	f/1.1	445g
TeikokuKogaku / Zunow Opt. Zunow 50mm F/1.1 For Contax	CONTAX	Portrait	1955	50mm	f/1.1	—
TeikokuKogaku / Zunow Opt. Zunow 50mm F/1.1 For Nikon S	NIKON S	Portrait	1955	50mm	f/1.1	—
TeikokuKogaku / Zunow Opt. Zunow 50mm F/1.1 LSM	M39	Portrait	1955	50mm	f/1.1	445g
TeikokuKogaku ZUNOW 50mm F/1.1	CONTAX	Portrait	1953	50mm	f/1.1	—
TeikokuKogaku Zunow 50mm F/1.1 [I]	CONTAX	Portrait	1953	50mm	f/1.1	—
TeikokuKogaku Zunow 50mm F/1.1 [I] For Contax	CONTAX	Portrait	1953	50mm	f/1.1	—
TeikokuKogaku Zunow 50mm F/1.1 [I] For Nikon S	NIKON S	Portrait	1953	50mm	f/1.1	—
TeikokuKogaku Zunow 50mm F/1.1 [I] LSM	M39	Portrait	1953	50mm	f/1.1	425g
TeikokuKogaku Zunow 50mm F/1.1 For Contax	CONTAX	Portrait	1953	50mm	f/1.1	—
TeikokuKogaku Zunow 50mm F/1.1 For Nikon S	NIKON S	Portrait	1953	50mm	f/1.1	—
TeikokuKogaku Zunow 50mm F/1.1 LSM	M39	Portrait	1953	50mm	f/1.1	425g
TeikokuKogaku ZUNOW 50mm F/1.1 Type 1	CONTAX	Portrait	1953	50mm	f/1.1	—
TeikokuKogaku Zunow 50mm F/1.3 LSM	M39	Portrait	—	50mm	f/1.3	385g
TeikokuKogaku Zunow Opt. ZUNOW 100mm F/2	CONTAX	Portrait	—	100mm	f/2	—
TeikokuKogaku Zunow Opt. ZUNOW 35mm F/1.7	CONTAX	Wide	—	35mm	f/1.7	182g
TeikokuKogaku Zunow Opt. ZUNOW 50mm F/1.1 Type 2	CONTAX	Portrait	1955	50mm	f/1.1	—
TeikokuKogaku Zunow Opt. ZUNOW 50mm F/1.3	CONTAX	Portrait	—	50mm	f/1.3	—
TeikokuKogaku Zunow Opt. ZUNOW 50mm F/1.9	CONTAX	Portrait	—	50mm	f/1.9	—