You just won't find a more versatile, or optically precise way of shooting wide-angle shots in medium format! With critically refined Zeiss optics and a maximum distortion tolerance of 1/3000th, every image you shoot will have corner to corner sharpness, maximum brilliance and be virtually free of distortion. combine this with the sweeping 90 degree diagonal angle of view and you have the ultimate tool for architectural, landscape or journalistic photography. FEATURES INCLUDE: Focuses as close as 30cm Accepts all Hasselblad backs as well as Polaroid backs Built-in spirit level Flash sync to 1/500 second