Name Manufacturer / Model	Mount Bayonet	Type Category	Year Released	Focal mm	Aperture f/	Weight g
Mamiya-Sekor C 70mm F/2.8	MAMIYA 645	Prime	1976	70mm	f/2.8	395g
Mamiya-Sekor C 75-150mm F/4.5	MAMIYA 645	Zoom	1982	75-150mm	f/4.5	975g
Mamiya-Sekor C 80mm F/1.9	MAMIYA 645	Portrait	1976	80mm	f/1.9	420g
Mamiya-Sekor C 80mm F/1.9 N	MAMIYA 645	Portrait	—	80mm	f/1.9	420g
Mamiya-Sekor C 80mm F/2.8	MAMIYA 645	Prime	1975	80mm	f/2.8	255g
Mamiya-Sekor C 80mm F/2.8 N	MAMIYA 645	Prime	—	80mm	f/2.8	220g
Mamiya-Sekor C 90mm F/3.8	MAMIYA RB67	Telephoto	1974	90mm	f/3.8	805g
Mamiya-Sekor C 90mm F/3.8 Golden Lizard "RB67 11th Anniversary"	MAMIYA RB67	Telephoto	1982	90mm	f/3.8	—
Mamiya-Sekor C E 70mm F/2.8	MAMIYA 645	Prime	—	70mm	f/2.8	285g
Mamiya-Sekor Fisheye Z 37mm F/4.5	MAMIYA RZ67	Fisheye	—	37mm	f/4.5	1280g
Mamiya-Sekor Fisheye Z 37mm F/4.5 [W]	MAMIYA RZ67	Fisheye	—	37mm	f/4.5	1280g
Mamiya-Sekor Macro C 140mm F/4.5	MAMIYA RB67	Macro	—	140mm	f/4.5	800g
Mamiya-Sekor Macro Z 140mm F/4.5	MAMIYA RZ67	Macro	—	140mm	f/4.5	810g
Mamiya-Sekor Macro Z 140mm F/4.5 [W]	MAMIYA RZ67	Macro	—	140mm	f/4.5	810g
Mamiya-Sekor NB 127mm F/3.8	MAMIYA RB67	Telephoto	1973	127mm	f/3.8	—
Mamiya-Sekor NB 90mm F/3.8	MAMIYA RB67	Telephoto	1974	90mm	f/3.8	—
Mamiya-Sekor Reflex C 500mm F/8	MAMIYA 645	Mirror	1982	500mm	f/8	880g
Mamiya-Sekor SF C 145mm F/4	MAMIYA 645	Telephoto	—	145mm	f/4	900g
Mamiya-Sekor SF C 150mm F/4	MAMIYA RB67	Telephoto	1977	150mm	f/4	790g
Mamiya-Sekor Shift Z 75mm F/4.5 W	MAMIYA RZ67	Prime	1984	75mm	f/4.5	1660g
Mamiya-Sekor ULD C 105-210mm F/4.5	MAMIYA 645	Telephoto	—	105-210mm	f/4.5	875g
Mamiya-Sekor ULD C 300mm F/5.6 N	MAMIYA 645	Telephoto	—	300mm	f/5.6	710g
Mamiya-Sekor Z 100-200mm F/5.2 W	MAMIYA RZ67	Telephoto	1984	100-200mm	f/5.2	1620g
Mamiya-Sekor Z 110mm F/2.8	MAMIYA RZ67	Telephoto	1982	110mm	f/2.8	610g
Mamiya-Sekor Z 110mm F/2.8 [W]	MAMIYA RZ67	Telephoto	1982	110mm	f/2.8	610g
Mamiya-Sekor Z 127mm F/3.5 W	MAMIYA RZ67	Telephoto	1990	127mm	f/3.5	810g
Mamiya-Sekor Z 127mm F/3.8	MAMIYA RZ67	Telephoto	1982	127mm	f/3.8	620g
Mamiya-Sekor Z 127mm F/3.8 [W]	MAMIYA RZ67	Telephoto	1982	127mm	f/3.8	620g