TS M68 System - Large SC Thread Adapter to M68
Adapt the M68 accessories to Celestron's large Schmidt-Cassegrain and EHD telescopes.
♦ Thread on the telescope side: 3.3" SC thread (internal)
♦ Thread on eyepiece and camera side: Thread M68x1 (outside)
♦ Optically effective length: 20mm (M68 thread is not included)