Working my way back in to using my Vintage Orange Tube C8. Had started to prep the optics for shipping out to re-coat but my son was diagnosed with brain cancer and the C8 gathered dust. Dropped it at Celestron and they said they don't re-coat and I couldn't afford the XLT Star Bright optics so I told them I'd be by to pick it up.
Picked it up to discover they'd re-assembled the scope and put a new set of Star Bright XLT optics in - at no charge. I was so floored - I'm still floored. And as I start to put the scope to use, I have some questions.
1. They replaced the secondary - taking the serial # with it. I may have registered the scope here some years ago, but searching my posts only goes back to 2016. I believe the scope was produced in 1980.
2. What is the XLT Starbright Optical system? Having a hard time finding specs. f/10? Focal length still 2000mm? Does it matter what the mirror is made of or just the coatings are important? Is XLT coating industry-standard?
As I said, I'm starting back up and need time to work through getting familiar with the scope, discovery of any issues (ie focuser, backlash etc) I still even need some eyepieces so any help coming this way is a big deal for me and thanks in advance.
Oh, and I live in a rural, desert area and the viewing is spectacular (when the planes aren't leaving trails that spread into thick cover