Amazon.com : Orion CC6 6" Classical Cassegrain Telescope for Intermediate Astronomers & Astrophotographers for High-Power Lunar and Planetary Observation & Imaging : Electronics
StellaLyra 10" f/12 M-LRC Classical Cassegrain Carbon Truss Telescope OTA | First Light Optics
GSO 8" f/12 Classical Cassegrain Reflector VS C8 f/10 XLT SCT -- for visual which is better for lunar and planetary? - Beginners Forum (No Astrophotography) - Cloudy Nights
Cassegrain reflector - Wikipedia
Cassegrain reflector - Wikipedia
The classic Cassegrain telescope has a parabolic primary mirror and a hyperbolic secondary mirror | Webel IT Australia
Two-mirror telescopes: Cassegrain, Gregorian and variants
CFF Telescopes 400mm Classic Cassegrain Supremax33 Version