Meade Zero Image Shift-Electronic Micro-Focuser.
http://www.meade.com/meade-zero-imag...o-focuser.html
+ JMI Motofocus handcontroller.
Sold my SCT, so this is no longer needed.
Threads onto the back of the SCT with the pictured collar.
Takes 2” components and has a 1.25” adaptor.
$150 plus postage ($14). Please PM if interested.
Chris