Meade Series 4000 f/3.3 CCD Focal Reducer with T adapter.
Reduces CCD exposure times by up to 80%. Threads on to the rear cell of Meade and Celestron SCTs. Converts f/10 Schmidt-Cassegrains to f/3.3 and f/6.3 SCT’s to f/2.
Near new; original box, caps, plastic storage container.
$125 + shipping.