Questar Motorized StepZoom 180 is a powerful 8 to 1 variable focal
length lens with the longest focal length available in an optic
of its size. Fully motorized with microprocessor control, the
lens offers parfocal selection of five effective focal lengths,
four selectable filters, and a four line back lit display of focal
length, filter position, focus range, and operating status. Weatherized
construction is featured throughout, with protective optical flats
at each end of the lens system. Remote control is possible at
a distance of 4,000 feet from the hand terminal, PC or other RS-422
communication source, and the system is ready for integration
with other related functions such as position and video control.
Accessories include an integrated automatic light control filter.