Name Manufacturer / Model	Mount Bayonet	Type Category	Year Released	Focal mm	Aperture f/	Weight g
CenturyTele-Athenar 300mm F/3.2 II	INTERCHANGEABLE MOUNT	Telephoto	1977	300mm	f/3.2	1110g
CenturyTele-Athenar 385mm F/4.5 II	INTERCHANGEABLE MOUNT	Telephoto	1977	385mm	f/4.5	1580g
CenturyTele-Athenar 500mm F/3.8 II	INTERCHANGEABLE MOUNT	Telephoto	1977	500mm	f/3.8	3230g
CenturyTele-Athenar 500mm F/4.5 II	INTERCHANGEABLE MOUNT	Telephoto	—	500mm	f/4.5	2250g
CenturyTele-Athenar 500mm F/5.6 II	INTERCHANGEABLE MOUNT	Telephoto	1977	500mm	f/5.6	1700g
CenturyTele-Athenar 600mm F/4.5 II	INTERCHANGEABLE MOUNT	Telephoto	1977	600mm	f/4.5	3230g
CenturyTele-Athenar 650mm F/6.8 II	INTERCHANGEABLE MOUNT	Telephoto	1977	650mm	f/6.8	1800g