Kiev MC Arsat 4.5/55mm Shift lens, Focal Length: 55mm, Aperture Scale: 4.5 to 22, Focusing Scale: 0.3m (0.98ft) to infinity, Minimum Focusing distance: 1.2 feet (0.5 meters), Field of view: 69 degrees (with shift) 84 degrees (with shift), Number of Elements: Nine elements in seven groups, Filter size: 72mm, Weight: 2 lbs, Serial Number 0051, Douglas M. Parker Studio, Glendale, California, January 27, 2007