Ritchey–Chrétiens
Ritchey–Chrétien telescopes
Omegon Telescope Pro RC 203/1624 review
The Omegon Telescope Pro RC 203/1624 telescope is a low-cost Ritchey-Chrétien scope that’s ideal for crisp astrophotography.
Orion 10-inch f/8 Ritchey-Chrétien astrograph telescope review
With similar optics to those found in the leading professional observatories, this telescope is an astro imager’s dream come true