A Schmidt-Cassegrain 8-inch telescope. SBO possesses two 8-inch diameter Schmidt-Cassegrain telescopes. One is a Celestron (on long-term loan from John Bally) that was mounted piggyback on the 18-inch ...

The article reviews two Klevtsov-Cassegrain telescopes, an 8-inch f/10 200K and a 6-inch f/10.3 150K, both delivered as complete systems. The review highlights the appeal of compact telescope designs, ...

If this is the easy part of making a complete reflector telescope from a single piece of glass, we can’t wait to get a load of the hard part! A little backstory may be in order for those who don’t ...