When thinking about the GSO Eight Cassegrain telescope, its worthwhile to look back to Laurent Cassegrain who was a 17th century French Roman Catholic priest and is given credit for inventing the telescope design that carries his name. Cassegrain telescopes use a parabolic primary mirror with a hyperbolic secondary mirror. […]
Orange County Telescopes (OC Telescopes) are now offering the opportunity for their customers who purchase a Celestron Advanced VX Mount to upgrade the roller bearing system with newly available tapered roller bearings sourced from Japan. This upgrade to the Celestron AVX German equatorial mount can increase maximum exposure time without […]