Celestron Motor Assembly - AZM/RA for the NexStar 4/5Se series telescopes only. New model 1B (replaces model 1A which has been discontinued). Manufacturer part number: SLT-F00-1B.
Important note:All sales of this item are final. No returns accepted. In case of any problems or support you may require after purchase, you will need to work directly with Celestron Tech Support.