Mamiya RB67 Lenses

Technical specifications and catalog variants for the Mamiya RB67 system.

													Photographs
Sekor C 37mm f/4.5 FisheyeMamiya	C	—	by 1976	37mm	f/4.5–32	9 / 6	180°	0.01m	40.5 mm; rear internal	—	—	1,360g	—
Sekor 50mm f/4.5Mamiya	non-C	—	1970	50mm	f/4.5–32	11 / 8	81°	0.05m	77 mm; front	—	—	920g	—
Sekor C 50mm f/4.5Mamiya	C	—	1974	50mm	f/4.5–32	11 / 8	81°	0.05m	77 mm; front	73mm	94mm	920g	—
Sekor K/L 65mm f/4 L-AMamiya	K/L	—	1990	65mm	f/4–32	9 / 8	68°	0.35m	77 mm; front	106mm	97.2mm	1,070g	—
Sekor 65mm f/4.5Mamiya	non-C	—	1970	65mm	f/4.5–32	8 / —	68°	0.09m	77 mm; front	—	—	835g	—
Sekor C 65mm f/4.5Mamiya	C	—	1974	65mm	f/4.5–32	8 / 7	68°	0.09m	77 mm; front	—	—	835g	—
Sekor NB 65mm f/4.5Mamiya	NB	—	1973–74	65mm	f/4.5–32	8 / —	68°	0.09m	77 mm; front	—	—	835g	—
Sekor K/L 75mm f/3.5 L-AMamiya	K/L	—	1990	75mm	f/3.5–32	9 / 7	61°	0.38m	77 mm; front	96.4mm	97.2mm	980g	—
Shift L 75mm f/4.5 S/LMamiya	L	—	1990	75mm	f/4.5–32	—	61°	—	105 mm; front	—	—	—	—
Sekor K/L 90mm f/3.5 L-AMamiya	K/L	—	1990	90mm	f/3.5–32	8 / 7	52°	0.45m	77 mm; front	95mm	97.2mm	960g	—
Sekor 90mm f/3.8Mamiya	non-C	—	1970	90mm	f/3.8–32	7 / 5	53°	0.2m	77 mm; front	—	—	805g	—
Sekor C 90mm f/3.8Mamiya	C	—	1974	90mm	f/3.8–32	7 / 5	53°	0.2m	77 mm; front	—	—	805g	—
Sekor NB 90mm f/3.8Mamiya	NB	—	1973–74	90mm	f/3.8–32	7 / 5	53°	0.2m	77 mm; front	—	—	805g	—
Sekor C 100–200mm f/5.2 ZoomMamiya	C	—	after 1978	100–200mm	f/5.2–45	14 / 12	47–26°	0.55–1.22m	77 mm; front	166mm	108.5mm	1,660g	—
Sekor K/L 127mm f/3.5 L-AMamiya	K/L	—	1990	127mm	f/3.5–32	6 / 4	39°	0.64m	77 mm; front	74mm	97.2mm	780g	—
Sekor 127mm f/3.8Mamiya	non-C	—	1970	127mm	f/3.8–32	5 / 3	39°	0.43m	77 mm; front	—	—	750g	—
Sekor C 127mm f/3.8Mamiya	C	—	1974	127mm	f/3.8–32	5 / 3	39°	0.43m	77 mm; front	—	—	750g	—
Sekor NB 127mm f/3.8Mamiya	NB	—	1973–74	127mm	f/3.8–32	5 / 3	39°	0.43m	77 mm; front	—	—	750g	—
Sekor K/L 140mm f/4.5 M L-A MacroMamiya	K/L	—	1990	140mm	f/4.5–32	6 / 4	35°	0.76m	77 mm; front	90mm	97.2mm	870g	—
Sekor Macro C 140mm f/4.5Mamiya	C	—	by 1978	140mm	f/4.5–32	7 / —	36°	0.52m	77 mm; front	—	—	830g	—
Sekor C 150mm f/4 Variable Soft FocusMamiya	C	—	by 1978	150mm	f/4–32	5 / 3	33°	0.86m	77 mm; front	84mm	94mm	790g	—
Sekor 180mm f/4.5Mamiya	non-C	—	1970	180mm	f/4.5–45	5 / 3	28°	0.85m	77 mm; front	—	—	875g	—
Sekor C 180mm f/4.5Mamiya	C	—	1974	180mm	f/4.5–45	5 / 3	28°	0.85m	77 mm; front	—	—	875g	—
Sekor K/L 180mm f/4.5 L-AMamiya	K/L	—	1990	180mm	f/4.5–45	4 / 3	28°	1.1m	77 mm; front	112.3mm	97.2mm	930g	—
Sekor K/L 210mm f/4.5 APO LMamiya	K/L	—	1990	210mm	f/4.5–45	7 / 5	23.83°	1.16m	77 mm; front	114mm	97.2mm	1,020g	—
Sekor 250mm f/4.5Mamiya	non-C	—	1970	250mm	f/4.5–45	5 / 4	20°	1.6m	77 mm; front	—	—	1,020g	—
Sekor C 250mm f/4.5Mamiya	C	—	1974	250mm	f/4.5–45	5 / 4	20°	1.6m	77 mm; front	—	—	1,310g	—
Sekor K/L 250mm f/4.5 APO LMamiya	K/L	—	1990	250mm	f/4.5–45	7 / 5	20.5°	1.56m	77 mm; front	137.8mm	97.2mm	1,370g	—
Sekor K/L 250mm f/4.5 L-AMamiya	K/L	—	1990	250mm	f/4.5–45	5 / 4	20°	1.85m	77 mm; front	119mm	97.2mm	1,130g	—
Sekor K/L 350mm f/5.6 APO LMamiya	K/L	—	1990	350mm	f/5.6–45	7 / 6	14.67°	3.08m	77 mm; front	184.2mm	97.2mm	1,440g	—
Sekor K/L 360mm f/6 LMamiya	K/L	—	1990	360mm	f/6–45	—	14°	—	77 mm; front	—	—	—	—
Sekor 360mm f/6.3Mamiya	non-C	—	1970	360mm	f/6.3–45	8 / 5	14°	3.46m	77 mm; front	—	—	1,230g	—
Sekor C 360mm f/6.3Mamiya	C	—	1974	360mm	f/6.3–45	8 / 5	14°	3.46m	77 mm; front	—	—	1,230g	—
Sekor L 500mm f/6 APO LMamiya	L	—	1990	500mm	f/6–45	7 / 7	10.33°	6.06m	105 mm; front	271.5mm	108mm	2,360g	—
Sekor C 500mm f/8Mamiya	C	—	by 1976	500mm	f/8–32	6 / 5	10°	6.15m	105 mm; front	—	—	2,140g	—

35 lenses