The Distagon T* 35mm f/3.5 lens is the super wide angle lens in the Contax 645 autofocus system. The focal length of 35mm on the Contax 645 camera is

The Distagon T* 35mm f/3.5 lens is the super wide angle lens in the Contax 645 autofocus system. The focal length of 35mm on the Contax 645 camera is approximately equivalent to a 21mm lens in the 35mm format. This is the lens of choice for dramatic wide angle perspectives and an important tool for professional landscape, advertising and industrial photography.