Compatibility The Pentax 645 D FA 35mm f/3.5 HD AL IF for Medium Format is compatible with the Pentax 645Z.

Wide Focal Length. With a focal length equivalent to 27.5mm after sensor crop factor, the 35mm f/3.5 is great for landscape and architectural photography. It has an 11.8-inch minimum focus distance and 0.25x reproduction ratio for capturing interesting false-perspective shots.

HD Optics. An internal-focus design means the focusing group is much smaller and easier to move. Not only does this enable the lens barrel to stay in place while focusing, but it also increases focusing speed. Its optical design includes two aspherical elements help to correct distortion. The 35mm’s HD coating is featured on individual elements to keep lens flare and ghosting to a minimum, which means increased contrast and color rendering when working in a wide range of lighting conditions.