N°110104 · Family detail
MamiyaPrime·MAMIYA RB67 mount
Mamiya-Sekor 50mm F/4.5
Specifications01
MountMAMIYA RB67
Focal length50mm
Max aperturef/4.5
TypePrime
Weight920 g
Filter size77 mm
Min focus distance0.279 m
Max magnification0.8772
Optical elements11
Groups8
AutofocusNo
StabilizationNo
Lens hoodSlip-on 80mm (square)
TeleconvertersNot available
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeWide-angle prime lens
Field Notes02
50mm prime lens for the Mamiya RB67 medium-format system. Maximum aperture is f/4.5, suitable for general-purpose photography on a medium-format body.
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Other Mounts03
No alternate mounts are indexed for this family yet.