Autofocus zoom lens for Mamiya 645 medium format cameras.
The Mamiya 55-110mm f/4.5 AF is a standard zoom for the Mamiya 645 AF autofocus medium format system, covering 6×4.5cm format. Equivalent to approximately 35-70mm on full-frame, this lens covers the moderate wide to short telephoto range with autofocus capability — uncommon in medium format at the time.
55–110mm zoom range (35–70mm full-frame equivalent), f/4.5 constant maximum aperture, autofocus, Mamiya 645 AF bayonet mount, 6×4.5cm medium format coverage.
The 55-110mm f/4.5 AF provides a practical standard zoom range for the Mamiya 645 AF system with autofocus. The constant f/4.5 aperture is modest but delivers consistent exposure throughout the zoom range. Suitable for documentary, wedding, and portrait work where zoom flexibility is needed in medium format.
Inspect for fungus, haze, and coating condition. Test AF function on a compatible Mamiya 645 AF body. Confirm Mamiya 645 AF bayonet engagement. Check zoom mechanism and aperture blades.