Get some extra reach with your 645 AF mount medium format camera with the Sekor Zoom AF ULD 105-210mm f/4.5 Lens from Mamiya Leaf. With a 35mm equivalent focal length of 65-130mm on Credo 80/60 digital backs, this versatile telephoto zoom lens allows users to capture distant objects and work up close. The lens is also designed to be compact for better handling and has a constant f/4.5 maximum aperture for consistent exposures throughout the zoom range. The 105-210mm also has low dispersion glass elements to ensure sharp imagery with minimal aberrations. The lens features an autofocus motor as well as a manual focus ring for full control over your final image. This lens can also focus as close as 4.9' and has a front filter thread diameter of 58mm. Additionally, it comes with a removable bayonet lens hood that limits glare and reflections from external light sources.