Osawa MC 28mm f/2.8 Lens for Olympus OM

The Osawa MC 28mm f/2.8 is a manual focus wide-angle prime lens produced for Olympus’s OM-mount SLR system. At 28mm with an f/2.8 maximum aperture, it delivers a moderate wide-angle field of view well suited to landscape, architecture, interior, street, and environmental photography, with useful light gathering capability for shooting in lower light conditions. The MC designation indicates multi-coating applied to the optical elements, intended to reduce flare and ghosting and improve contrast and color transmission compared to uncoated or single-coated alternatives. Fully manual operation covers both focus and aperture adjustment directly on the lens. Osawa was a third-party lens brand producing accessible alternative optics during the film SLR era, offering a budget-oriented option alongside first-party manufacturer lenses. Compatible with Olympus OM-mount film SLR bodies, and adaptable to mirrorless and other camera systems via third-party OM-mount adapters.

– 28mm wide-angle focal length
– f/2.8 maximum aperture
– Multi-coated optical elements for improved contrast and flare resistance
– Olympus OM-mount compatibility
– Fully manual focus and aperture control
– Third-party alternative optic from the film SLR era
– Compatible with Olympus OM-mount film SLR bodies
– Adaptable to mirrorless systems via third-party OM-mount adapters