• Thumbnail for Schmidt–Cassegrain telescope
    The SchmidtCassegrain is a catadioptric telescope that combines a Cassegrain reflector's optical path with a Schmidt corrector plate to make a compact...
    6 KB (747 words) - 09:41, 13 November 2023
  • Thumbnail for Cassegrain reflector
    The Cassegrain reflector is a combination of a primary concave mirror and a secondary convex mirror, often used in optical telescopes and radio antennas...
    14 KB (1,845 words) - 14:59, 30 June 2024
  • Thumbnail for Maksutov telescope
    in a Cassegrain variation, with an integrated secondary, that can use all-spherical elements, thereby simplifying fabrication. Maksutov telescopes have...
    17 KB (1,815 words) - 15:36, 1 October 2024
  • Thumbnail for Schmidt camera
    spherical primary mirror of the Schmidt or SchmidtCassegrain telescope designs. It was invented by Bernhard Schmidt in 1931, although it may have been independently...
    24 KB (2,575 words) - 14:08, 13 August 2023
  • Thumbnail for Schmidt–Newtonian telescope
    in most SchmidtCassegrain designs. List of telescope types Schmidt camera SchmidtCassegrain telescope "Schmidt-Newton telescope". telescopeOptics.net...
    2 KB (257 words) - 16:41, 23 July 2023
  • Thumbnail for Reflecting telescope
    project. The Cassegrain telescope (sometimes called the "Classic Cassegrain") was first published in a 1672 design attributed to Laurent Cassegrain. It has...
    33 KB (3,918 words) - 17:12, 30 September 2024
  • Thumbnail for Ritchey–Chrétien telescope
    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...
    16 KB (2,145 words) - 21:22, 15 July 2024
  • Thumbnail for La Silla Observatory
    under the responsibility of La Silla Science Operations. This 3.6 m Cassegrain telescope started operations in 1976 and has been constantly upgraded since...
    33 KB (3,256 words) - 13:10, 29 October 2024
  • Thumbnail for Catadioptric system
    mirror. The design has lent itself to many Schmidt variants. Popular sub-types SchmidtCassegrain telescopes are one of the most popular commercial designs...
    16 KB (1,862 words) - 01:13, 18 October 2024
  • Thumbnail for Three-mirror anastigmat
    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...
    12 KB (1,370 words) - 16:59, 25 June 2024
  • Thumbnail for James Gregory Telescope
    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...
    4 KB (391 words) - 08:55, 21 May 2024
  • brewery Schmidt camera, an astronomical telescope designed for photography SchmidtCassegrain telescope, a version of the Schmidt camera Schmidt Site, an...
    2 KB (286 words) - 20:37, 23 August 2023
  • 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...
    24 KB (2,329 words) - 14:08, 23 August 2024
  • Atmospheric Cherenkov telescope used to detect gamma rays Infrared telescope Radio telescope Submillimeter telescope Ultraviolet telescope (see also Ultraviolet...
    6 KB (299 words) - 10:43, 5 October 2024
  • 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...
    9 KB (730 words) - 22:17, 27 September 2024
  • Thumbnail for Newtonian telescope
    shape, overall fabrication is much simpler than other telescope designs (Gregorians, cassegrains, and early refractors had two surfaces that need figuring...
    17 KB (1,937 words) - 18:50, 18 March 2024
  • Thumbnail for Optical telescope
    but dimmer image. If the telescope has a central obstruction (e.g. a Newtonian, Maksutov, or SchmidtCassegrain telescope) it is also likely that the...
    58 KB (8,133 words) - 23:45, 21 July 2024
  • Thumbnail for Vixen (telescopes)
    catadioptric telescopes with an open tube design instead of the full-aperture corrector plate of the SchmidtCassegrain and most Maksutov–Cassegrain designs...
    3 KB (372 words) - 04:30, 2 July 2023
  • Thumbnail for Yerkes Observatory
    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...
    65 KB (5,879 words) - 10:37, 21 October 2024
  • Thumbnail for Meade ETX telescope
    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...
    5 KB (706 words) - 10:56, 7 January 2021
  • Thumbnail for Vainu Bappu Observatory
    the Vainu Bappu telescope, the observatory has two other telescopes: A 1-meter Zeiss manufactured and another 75-centimeter Cassegrain reflector currently...
    12 KB (1,457 words) - 08:12, 1 March 2024
  • Thumbnail for Amateur telescope making
    the types of telescopes that amateurs build vary widely, including Refractors, SchmidtCassegrains and Maksutovs, the most popular telescope design is the...
    14 KB (1,741 words) - 07:09, 14 April 2023
  • Thumbnail for Cerro Tololo Inter-American Observatory
    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...
    34 KB (3,576 words) - 12:49, 29 October 2024
  • apochromatic types. Some reflecting types are Newtonian, SchmidtCassegrain, Maksutov-Cassegrain, and Maksutov-Newtonian. Even sophisticated designs, such...
    3 KB (309 words) - 19:19, 28 July 2023
  • Celestron (category Telescope manufacturers)
    offering Schmidt-Cassegrain telescopes from 4" to 22". In 1970 Celestron introduced its "C8" 8" diameter 2032 mm focal length, ƒ10 telescope, the first...
    11 KB (1,061 words) - 00:00, 20 October 2024
  • Thumbnail for MDM Observatory
    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....
    7 KB (624 words) - 19:37, 4 October 2023
  • Thumbnail for C/2023 V4 (Camarasa-Duszanowicz)
    Sweden, using Duszanowicz's two 280mm aperature, f/1.9 Schmidt-Cassegrain (Celestron C11) telescopes, located at Duszanowicz's "Moonbase South Observatory"...
    3 KB (159 words) - 12:17, 27 September 2024
  • Thumbnail for Robotic telescope
    by Michael Schwartz with a robotic 14-inch (360 mm) Celestron Schmidt-Cassegrain telescope c. 1998. Meanwhile, ASCOM users designed ever more capable master...
    20 KB (2,651 words) - 21:06, 6 August 2024
  • Thumbnail for C/2014 Q2 (Lovejoy)
    on 17 August 2014 by Terry Lovejoy using a 0.2-meter (8 in) SchmidtCassegrain telescope. It was discovered at apparent magnitude 15 in the southern constellation...
    10 KB (756 words) - 00:12, 26 January 2024
  • Thumbnail for Hale Telescope
    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...
    30 KB (2,954 words) - 18:08, 3 August 2024