For sale, Celestron Deluxe Tele-Extender #93643.
This tube fits over the 1.25" visual back on the Celestron SCT, which holds an eyepiece, for eyepiece projection or prime focus photography. The outer end of the tube is a standard T thread to accept a camera T ring.
Price $40 plus post. NOW $30 plus post.
Cheers,
Ross...