Never used and in new condition. Retail is $30, but I will sell for $20 shipped to your door in the Cont. US.
Visual Back - 1-1/4" Item #93653-A
This accessory is used to adapt the threads on all Schmidt-Cassegrain models for use with 1.25" accessories items. This includes diagonals, straight through viewing with eyepieces, etc. This item comes standard with all Celestron 5", 8", 9.25" and 11" Schmidt-Cassegrains.