Made by JMI for Celestron. In excellent condition. Attaches to OTA with included hardware. Connects to drive base via 1/8" jack and is operated with your drive corrector controller (the "hand paddle"). Eliminates vibration when focusing.
This model works on early C5 (dual fork arm), C8, C8+, C8-S, C8-SGT, Classic 8, Celestar 8, CGE 800, G-8, Great Polaris C8, NexStar 8 GPS, Polaris C8, Powerstar 8, Super C8, Super C8+, Super Polaris C8, Ultima 8, Ultima 2000.
It lists for $129!
$65.00 Shipped CONUS