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Rent NowThe Vivitar Auto 135mm f/2.8 is a manual focus telephoto prime lens produced for Mamiya’s Sekor lens mount SLR system. At 135mm with an f/2.8 maximum aperture, it delivers a classic short telephoto focal length well suited to portraiture, event, and general longer-reach photography, with useful light gathering capability and meaningful subject separation from the background at wider aperture settings. The Auto designation indicates an automatic aperture mechanism that stops down to the set aperture only at the moment of exposure, allowing the viewfinder to remain bright during composition and focusing. Vivitar was a well-known third-party lens brand active during the film SLR era, producing a wide range of alternative optics across multiple mount systems at accessible price points. Compatible with Mamiya Sekor mount film SLR bodies, and adaptable to mirrorless and other camera systems via third-party Mamiya Sekor mount adapters.
– 135mm short telephoto focal length
– f/2.8 maximum aperture
– Automatic aperture mechanism for bright viewfinder during composition
– Mamiya Sekor mount compatibility
– Fully manual focus operation
– Third-party alternative optic from Vivitar
– Compatible with Mamiya Sekor mount film SLR bodies
– Adaptable to mirrorless systems via third-party Mamiya Sekor adapters
