speach
23-10-2019, 04:21 PM
Screws on to the back of popular SCT telescopes to provide ultra-fine focus adjustments. Only been used once as the scope was to heavy for my mount. $85 plus P/P
(This is a photo from the Bintel cat. as I can't do any better!)
(This is a photo from the Bintel cat. as I can't do any better!)