Celestron, Celestron Focus Motor with Separate Hand Control for all 8 inch and 11 inch Schmidt-Cassegrain Telescope Models. All Telescopes >>> Telescopes by Celestron More details and ordering info. User input on Celestron Focus Motor with Separate Hand Control for all 8 inch and 11 inch Schmidt-Cassegrain Telescope Models. by Celestron: Be the first to submit input on this product Submit Input: Your Name: Write or Paste Input here: Upload picture:      Review Guidelines