has a focal length of 8.8-777mm, for a tremendous 88x optical zoom ratio. Moreover, a 2x extender effectively doubles the focal range. The maximum aperture is a fast f/1.7 at 8.8-348mm and stops down to f/3.8 at 777mm. The lens is manual/servo interchangeable, and an RS232 connector in the lens provides a connection between the lens and a PC, or other control device, for external control.