80mm lens for Mamiya M645 super pro 645 Pro TL Camera. Mamiya 645 Pro Lenses Mamiya lenses are designed and built for today s foremost photographers who expect their equipment to provide both outstanding and distinctive results. Offering focal lengths from 24mm up to 500mm including Shift, Leaf shutter and Zoom lenses, the Mamiya 645 Pro Lenses cover a wide range of photographic situations. The 80mm f/2.8 is a compact, lightweight standard focal length lens.