Mamiya's wide-angle for RB/RZ67 — 45mm f/2.8 providing wide coverage on 6x7 medium format.
The Mamiya Sekor C 45mm f/2.8 is a fast wide-angle prime for the Mamiya 645 (M645) medium format system. 'Sekor C' designates the M645 lens generation. 45mm on M645 provides approximately 28mm equivalent field of view. Mamiya 645 mount.
f/2.8 maximum aperture. 45mm focal length (medium format). Mamiya 645 lens mount. Manual focus. Mamiya 645 mount.
The 45mm f/2.8 on M645 provides a wide-angle perspective equivalent to approximately 28mm on full-frame — useful for architecture, landscape, and reportage on the M645 medium format system. f/2.8 is relatively fast for a medium format wide prime.
On the used market the Mamiya Sekor C 45mm f/2.8 is a classic M645 wide prime. Condition checks: front element for marks, aperture blade condition, focus ring. Mamiya 645 mount — M645 system only.