The Canon J11ex4.5B-ITS is a high quality ultra-wide angle 11x zoom lens for professional 2/3″ CCD remote video cameras. This model is highly versatile and can be used in a variety of professional applications, including teleconferencing, distance learning, and specialized broadcasting.
The focal-length range is 4.5 to 50mm with a minimum object distance of 0.3 meters (1 ft) and comes equipped with a 2x extender for increased telephoto capability.