The First Fully Automatic Zoom Camera for Professionals. The New GA645Zi. Revolutionary in its ease of use, the GA645Zi fills a need expressed by many professional photographers - a zoom model to complement the highly acclaimed 645 Professional series. With its zoom lens encompassing the standard-to-wide angle area, it`s the perfect medium format camera for weddings and professional quality imaging, including landscapes and a wide variety of photographic assignments. The Film Barcode System automates all initial settings, and Hybrid AF and AE combine to give you a truly easy-to-use sophisticated medium format camera