Hi all,
For sale I have a 2.5" full frame APO corrector/flattener from Teleskop Express. Suits refractors from F5 to F9
https://www.teleskop-express.de/shop...otography.html
It works perfectly at the recommended 91mm focal point for my F7 800mm triplet.
Included is this M69>M68 adapter
https://www.teleskop-express.de/shop...corrector.html
$270 Posted Aus wide or pick up NOR Perth
Regards