Q: What are Ritchey-Chrétien telescopes used for?
A: Professional astronomy: Many famous observatories (e.g., Hubble Space Telescope) use RC designs.
Astrophotography: Especially deep-sky imaging with large sensors.
Research applications: Photometry, spectroscopy, and long-term monitoring of stars or galaxies.
High-end amateur observing: For those seeking premium optical quality.