Name Manufacturer / Model	Mount Bayonet	Type Category	Year Released	Focal mm	Aperture f/	Weight g
Mamiya-Sekor 250mm F/4.5	MAMIYA RB67	Telephoto	1970	250mm	f/4.5	1310g
Mamiya-Sekor 28mm F/2.8 For CP	M42	Wide	—	28mm	f/2.8	—
Mamiya-Sekor 35mm F/2.8 For CP	M42	Wide	—	35mm	f/2.8	225g
Mamiya-Sekor 400mm F/6.3 For CP	M42	Telephoto	—	400mm	f/6.3	—
Mamiya-Sekor 50mm F/4.5	MAMIYA RB67	Prime	—	50mm	f/4.5	920g
Mamiya-Sekor 58mm F/1.7 For CP	M42	Portrait	1964	58mm	f/1.7	—
Mamiya-Sekor 65mm F/4.5	MAMIYA RB67	Prime	1970	65mm	f/4.5	840g
Mamiya-Sekor 90mm F/3.8	MAMIYA RB67	Telephoto	1970	90mm	f/3.8	705g
Mamiya-Sekor C 100-200mm F/5.2 W	MAMIYA RB67	Telephoto	—	100-200mm	f/5.2	—
Mamiya-Sekor C 105-210mm F/4.5	MAMIYA 645	Telephoto	—	105-210mm	f/4.5	1220g
Mamiya-Sekor C 110mm F/2.8	MAMIYA 645	Telephoto	1976	110mm	f/2.8	390g
Mamiya-Sekor C 110mm F/2.8 N	MAMIYA 645	Telephoto	—	110mm	f/2.8	390g
Mamiya-Sekor C 127mm F/3.8	MAMIYA RB67	Telephoto	1974	127mm	f/3.8	750g
Mamiya-Sekor C 150mm F/3.5	MAMIYA 645	Telephoto	1981	150mm	f/3.5	415g
Mamiya-Sekor C 150mm F/3.5 N	MAMIYA 645	Telephoto	—	150mm	f/3.5	420g
Mamiya-Sekor C 180mm F/4.5	MAMIYA RB67	Telephoto	1974	180mm	f/4.5	730g
Mamiya-Sekor C 250mm F/4.5	MAMIYA RB67	Telephoto	—	250mm	f/4.5	1020g
Mamiya-Sekor C 300mm F/5.6	MAMIYA 645	Telephoto	1976	300mm	f/5.6	710g
Mamiya-Sekor C 35mm F/3.5 N	MAMIYA 645	Wide	—	35mm	f/3.5	445g
Mamiya-Sekor C 37mm F/4.5 Fisheye	MAMIYA RB67	Fisheye	—	37mm	f/4.5	1240g
Mamiya-Sekor C 45mm F/2.8	MAMIYA 645	Prime	1975	45mm	f/2.8	540g
Mamiya-Sekor C 45mm F/2.8 N	MAMIYA 645	Prime	—	45mm	f/2.8	475g
Mamiya-Sekor C 45mm F/2.8 S	MAMIYA 645	Prime	1981	45mm	f/2.8	470g
Mamiya-Sekor C 500mm F/5.6	MAMIYA 645	Telephoto	1976	500mm	f/5.6	2280g
Mamiya-Sekor C 500mm F/8	MAMIYA RB67	Telephoto	—	500mm	f/8	—
Mamiya-SEKOR C 50mm F/4.5	MAMIYA RB67	Prime	1974	50mm	f/4.5	780g
Mamiya-Sekor C 55-110mm F/4.5 N	MAMIYA 645	Zoom	1984	55-110mm	f/4.5	800g
Mamiya-Sekor C 55mm F/2.8	MAMIYA 645	Prime	1975	55mm	f/2.8	395g