Name Manufacturer / Model	Mount Bayonet	Type Category	Year Released	Focal mm	Aperture f/	Weight g
Mamiya-Sekor E 35mm F/2.8	MAMIYA E	Wide	—	35mm	f/2.8	145g
Mamiya-Sekor E 50mm F/1.4	MAMIYA E	Portrait	1981	50mm	f/1.4	200g
Mamiya-Sekor E 50mm F/1.7	MAMIYA E	Portrait	1980	50mm	f/1.7	165g
Mamiya-Sekor E 50mm F/1.7 S	MAMIYA E	Portrait	1982	50mm	f/1.7	150g
Mamiya-Sekor E 50mm F/2	MAMIYA E	Portrait	1980	50mm	f/2	145g
Mamiya-Sekor E 50mm F/2 S	MAMIYA E	Portrait	—	50mm	f/2	145g
Mamiya-Sekor E 50mm F/3.5 Macro	MAMIYA E	Macro	1980	50mm	f/3.5	205g
Mamiya-Sekor E 80-200mm F/3.8	MAMIYA E	Zoom	1980	80-200mm	f/3.8	765g
Mamiya-Sekor EF 135mm F/2.8	MAMIYA E	Telephoto	1981	135mm	f/2.8	310g
Mamiya-Sekor EF 35mm F/2.8	MAMIYA E	Wide	—	35mm	f/2.8	145g
Mamiya-Sekor EF 50mm F/1.4	MAMIYA E	Portrait	1981	50mm	f/1.4	200g
Mamiya-Sekor EF 50mm F/1.7	MAMIYA E	Portrait	1981	50mm	f/1.7	150g
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