A Ritchey–Chrétien telescope (RCT or simply RC) is a specialized variant of the Cassegrain telescope that has a hyperbolic primary mirror and a hyperbolic...

creates a telescope with a long focal length while having a short tube length. The Ritchey–Chrétien telescope, invented by George Willis Ritchey and Henri...

The Liverpool Telescope (LT) is a two-metre-aperture robotic Ritchey–Chrétien telescope that observes autonomously (without human intervention). However...

The New Technology Telescope or NTT is a 3.58-metre Ritchey–Chrétien telescope operated by the European Southern Observatory. It began operations in 1989...

co-invention, with George Willis Ritchey, of the Ritchey–Chrétien telescope, an improved type of astronomical telescope, employing a system now used in...

lenses during design. The usable field is much better than the Ritchey-Chrétien telescope without corrector, and over very wide spectral bands, typically...

(79 in) f/10 Ritchey-Chrétien telescope. The telescope is owned and operated by LCOGT. This telescope and its sister telescope Faulkes Telescope South are...

The 3.6m Devasthal (Hindi: देवस्थल) Optical Telescope is a clear-aperture Ritchey–Chrétien telescope built by Aryabhatta Research Institute of Observational...

the Ritchey–Chrétien (R–C) reflecting telescope along with Henri Chrétien. The R-C prescription remains the predominant optical design for telescopes and...

Orbital Sciences Corporation based on OrbView 4. The telescope was a 50 cm (20 in) Modified Ritchey–Chrétien with a rotating grism. GALEX used the first ever...

and off-axis astigmatism. With two curved mirrors, such as the Ritchey–Chrétien telescope, coma can be minimized as well. This allows a larger useful field...

Atmospheric Cherenkov telescope used to detect gamma rays Infrared telescope Radio telescope Submillimeter telescope Ultraviolet telescope (see also Ultraviolet...

0 ha) complex. The centerpiece of the TMT Observatory is to be a Ritchey-Chrétien telescope with a 30-metre (98 ft) diameter primary mirror. This mirror is...

Observatory in New South Wales, Australia. It is a 2 m (79 in) Ritchey-Chrétien telescope. It was designed to be operated remotely with the aim of encouraging...

Tenerife. The SSO consists of four Ritchey–Chrétien telescopes of 1-metre primary aperture, made by ASTELCO. Each telescope is equipped with a NTM-1000 robotic...

Vision science programme. The small satellite features an optical Ritchey–Chrétien telescope with an aperture of 30 cm, mounted on a standard small satellite...

(98 in) du Pont Telescope is named after industrialist Irénée du Pont and has been in operation since 1977. It is a Ritchey-Chrétien telescope with a Gascoigne...

September–October. The TNG is an altazimuthal reflecting telescope with a Ritchey-Chretien optical configuration and a flat tertiary mirror feeding two...

revolution around the Earth every 24 hours. The primary mirror of its Ritchey-Chrétien telescope measured 60 cm in diameter and was cooled to 1.7 kelvins by means...

In 2004, the Ritchey-Chrétien telescope was upgraded with a new mirror from Hextek, and with other parts. The 0.79 m (31 in) telescope of the National...

Schmidt Telescope. Las Cumbres Observatory Global Telescope Network operate a 2-metre Ritchey Chretien telescope used for research, citizen science, and education...

Optically, the HST is a Cassegrain reflector of Ritchey–Chrétien design, as are most large professional telescopes. This design, with two hyperbolic mirrors...

Dobsonian telescope List of telescope types Maksutov telescope Newtonian telescope Ritchey–Chrétien telescope Schmidt camera Schmidt–Newtonian telescope Linfoot...

satellites). Cavagna died of a stroke on 9 August 2005. The 0.5-meter Ritchey–Chrétien telescope at Sormano Observatory is now named in his memory. The inner main-belt...

Telescopio Canarias (GranTeCan or GTC) is a 10.4 m (410 in) reflecting telescope located at the Roque de los Muchachos Observatory on the island of La...

{LSA} } Achromatic lens Hubble Space Telescope Maksutov telescope Parabolic reflector Ritchey–Chrétien telescope Schmidt corrector plate Soft focus Boudrioua...

George Willis Ritchey and Henri Chrétien co-invent the Ritchey-Chrétien telescope used in many, if not most of the largest astronomical telescopes. 1930 — Bernhard...

their RCX400 and LX200R models as "Ritchey-Chrétien." The plaintiffs claimed these models did not use true Ritchey-Chrétien optics and therefore Meade and...

and Herschel space telescopes. Large-aperture Cryogenic Telescope SPICA would have employed a 2.5 m diameter Ritchey–Chrétien telescope with a field of view...

commissioning until the Large Binocular Telescope opened in 2005. The Subaru Telescope is a Ritchey-Chretien reflecting telescope. Instruments can be mounted at...