I recently reviewed a Guan Sheng Optical (GSO) 8-inch classical Cassegrain telescope for Astronomy Technology Today. In this article, I review the GSO 8-inch GSO Ritchey–Chrétien. The classical Cassegrain would be the better choice for visual use, while the Ritchey–Chrétien is the better instrument for astronomical imaging. American astronomer George […]
Tag: Orion Telescopes.
Ah used telescope stuff! I have always enjoyed finding a deal – boats, cars, jewelry (for my significant other of course), and yes, telescopes – well you name it, I am into getting a deal. *** Editors Note: Since the publication of this article, Astro Parts Outlet Used Telescope has […]
Orion Dielectric Twist-Tight Mirror Telescope Diagonals Orion has given its dielectric mirror diagonals a new twist – literally! With their twist-tight clamping mechanism, Orion Dielectric Twist-Tight Mirror Star Diagonals are a significant upgrade from typical thumbscrew-equipped diagonals. A simple clockwise twist of the knurled red-aluminum collar precisely centers any inserted […]