The Fujinon A17x7.8BERM is a telephoto 17x lens for 2/3" ENG/EFT cameras. The lens comes equipped with a 2x extender, for instant telephoto. Known for their high build quality and precision optics, Fujinon lenses have become the industry standard for professional video applications all over the world. The focal-length range is 7.8 to 256mm with a minimum object distance of 0.9 meters, or about 3.3 feet.