The Schmidt–Cassegrain is a catadioptric telescope that combines a Cassegrain reflector's optical path with a Schmidt corrector plate to make a compact...

The Cassegrain reflector is a combination of a primary concave mirror and a secondary convex mirror, often used in optical telescopes and radio antennas...

in a Cassegrain variation, with an integrated secondary, that can use all-spherical elements, thereby simplifying fabrication. Maksutov telescopes have...

spherical primary mirror of the Schmidt or Schmidt–Cassegrain telescope designs. It was invented by Bernhard Schmidt in 1931, although it may have been independently...

in most Schmidt–Cassegrain designs. List of telescope types Schmidt camera Schmidt–Cassegrain telescope "Schmidt-Newton telescope". telescopeOptics.net...

project. The Cassegrain telescope (sometimes called the "Classic Cassegrain") was first published in a 1672 design attributed to Laurent Cassegrain. It has...

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...

under the responsibility of La Silla Science Operations. This 3.6 m Cassegrain telescope started operations in 1976 and has been constantly upgraded since...

mirror. The design has lent itself to many Schmidt variants. Popular sub-types Schmidt–Cassegrain telescopes are one of the most popular commercial designs...

idea was to start with a Mersenne beam compressor, which looks like a Cassegrain made from two (confocal) paraboloids, with both the input and output beams...

The James Gregory Telescope was constructed in 1962 by the University of St Andrews. It is of a Schmidt-Cassegrain design and is fitted with a CCD camera...

brewery Schmidt camera, an astronomical telescope designed for photography Schmidt–Cassegrain telescope, a version of the Schmidt camera Schmidt Site, an...

introducing 6" and 8" reflecting telescopes models in 1977. In 1980, the company ventured into the Schmidt-Cassegrain market that up to that time had been...

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

11-inch (280 mm) Schmidt-Cassegrain telescopes.[citation needed] In June 2021, Orion acquired Meade Instruments Orion sold a range of telescopes that they characterize...

shape, overall fabrication is much simpler than other telescope designs (Gregorians, cassegrains, and early refractors had two surfaces that need figuring...

but dimmer image. If the telescope has a central obstruction (e.g. a Newtonian, Maksutov, or Schmidt–Cassegrain telescope) it is also likely that the...

catadioptric telescopes with an open tube design instead of the full-aperture corrector plate of the Schmidt–Cassegrain and most Maksutov–Cassegrain designs...

with Cassegrain optical setup, with a 24-inch (61 cm) clear aperture and is on an off-axis equatorial mount. A 7-inch (18 cm) diameter aperture Schmidt camera...

Meade Instruments. The ETX started out as a 90 mm (3-1/2") Maksutov Cassegrain telescope (first produced in 1996) and took advantage of high volume mass production...

the Vainu Bappu telescope, the observatory has two other telescopes: A 1-meter Zeiss manufactured and another 75-centimeter Cassegrain reflector currently...

the types of telescopes that amateurs build vary widely, including Refractors, Schmidt–Cassegrains and Maksutovs, the most popular telescope design is the...

7336417°W / -30.2378917; -70.7336417 The 1.5 m (59 in) SMARTS Telescope is a Cassegrain reflector on an equatorial mount. Regular observations began in...

apochromatic types. Some reflecting types are Newtonian, Schmidt–Cassegrain, Maksutov-Cassegrain, and Maksutov-Newtonian. Even sophisticated designs, such...

offering Schmidt-Cassegrain telescopes from 4" to 22". In 1970 Celestron introduced its "C8" 8" diameter 2032 mm focal length, ƒ10 telescope, the first...

aluminum-coated Cer-Vit, and usable foci include f/7.5 and f/13.5 Cassegrain foci. The telescope was built in 1986 and the mirrors were re-polished in 1991....

Sweden, using Duszanowicz's two 280mm aperature, f/1.9 Schmidt-Cassegrain (Celestron C11) telescopes, located at Duszanowicz's "Moonbase South Observatory"...

by Michael Schwartz with a robotic 14-inch (360 mm) Celestron Schmidt-Cassegrain telescope c. 1998. Meanwhile, ASCOM users designed ever more capable master...

on 17 August 2014 by Terry Lovejoy using a 0.2-meter (8 in) Schmidt–Cassegrain telescope. It was discovered at apparent magnitude 15 in the southern constellation...

so light could pass through the finished mirror when it was used in a Cassegrain configuration (a Pyrex plug for this hole was also made to be used during...