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Reflecting telescope design
A three-mirror anastigmat is an anastigmat telescope built with three curved mirrors, enabling it to minimize all three main optical aberrations – spherical
Three-mirror_anastigmat
Telescopes which utilize curved mirrors to form an image
reflector) is a telescope that uses a single or a combination of curved mirrors that reflect light and form an image. The reflecting telescope was invented
Reflecting_telescope
Lens design
An anastigmat or anastigmatic lens is a photographic lens completely corrected for the three main optical aberrations: spherical aberration, coma, and
Anastigmat
Major astronomical facility in Chile
design with a total of five mirrors. The first three mirrors are curved (non-spherical) and form a three-mirror anastigmat design for excellent image quality
Extremely_Large_Telescope
Subsection of the James Webb Space Telescope
OTE has a three-mirror anastigmat (TMA) design, with an effective f/20 focal ratio and focal length of 131.4 meters (431 ft). The primary mirror is a tiled
Optical_Telescope_Element
Astronomical observatory in Chile
wide-field reflecting telescope with an 8.4-meter primary mirror. It uses a variant of three-mirror anastigmat to deliver sharp images over a 3.5-degree-diameter
Vera_C._Rubin_Observatory
Specialized Cassegrain telescope
third curved optical element. When this element is a mirror, the result is a three-mirror anastigmat. Alternatively, a RCT may use one or several low-power
Ritchey–Chrétien_telescope
NASA satellite of the Explorer program
75 cm (30 in)-diameter primary mirror in a three-mirror anastigmat configuration which will capture and redirect light to three different sensors. Two of these
UVEX
Earth observation mission
the measurements. It has a 150-millimetre (6 in) aperture and a three-mirror anastigmat design with a focal length of about 600 millimetres (60 cm; 24 in);
Sentinel-2
NASA infrared space telescope launched in 2026
2011–2012, featuring a 1.3-meter (4 ft 3 in) diameter unobstructed three-mirror anastigmat telescope. It contained a single instrument, a visible to near-infrared
Nancy Grace Roman Space Telescope
Nancy_Grace_Roman_Space_Telescope
NASA/ESA/CSA space infrared telescope launched in 2021
the mirror with 10 nanometer accuracy. Webb's optical design is a three-mirror anastigmat, which makes use of curved secondary and tertiary mirrors to
James_Webb_Space_Telescope
deployed, these segments are part of the three-mirror anastigmat design's primary element and don't serve as fold mirrors in the optical sense. Periscope lens
Folded_optics
Proposed European infrared space telescope for detecting asteroids
NEOMIR will be equipped with a cryogenically cooled three-mirror anastigmat telescope, with a mirror size of 55 cm. It will observe the sky in two infrared
NEOMIR
Proposed UV/blue-optical space observatory
mission led by the Canadian Space Agency. With its 1-meter diameter primary mirror, CASTOR would provide imaging capabilities in the ultraviolet (UV) and blue-optical
CASTOR_(spacecraft)
Science instrument on New Horizons spacecraft
Max power use: 7.1 watts Telescope design Unobscured Off-axis Three-mirror anastigmat Aperture 75 mm f/8.7 Effective focal length 658 mm Electronic control
Ralph_(New_Horizons)
NASA mission to fly by eight asteroids
ices, and organics at the surface. The L'Ralph instrument has a three-mirror anastigmat design f/6 with a 75 mm aperture. The telescope structure is composed
Lucy_(spacecraft)
European space observatory for astrometry (2013–2025)
to the difficulties encountered in polishing Gaia's ten silicon carbide mirrors and assembling and testing the focal plane camera system. The Gaia space
Gaia_(spacecraft)
17th-century objective lenses, etc. Optical telescopes can be classified by three primary optical designs (refractor, reflector, or catadioptric), by sub-designs
List_of_telescope_types
Optical component
for example, Ritchey-Chrétien telescope, or three-mirror anastigmats such as LSST.) Non-spherical mirrors such as these will not give a null result when
Null_corrector
Canadian space surveillance satellite
satellite has a mass of 148 kilograms (326 lb), and carries a three-mirror anastigmat to track artificial objects in medium Earth orbit to geosynchronous
Sapphire_(satellite)
Lines radiating from bright light sources in photographs
There are also a small number of off-axis unobstructed all-reflecting anastigmats which give optically perfect images. Refracting telescopes and their
Diffraction_spike
Proposed space probe
the three-mirror anastigmat. This consists of a main mirror with a diameter of 2 meters to take in light. It reflects this light to a second mirror. Then
Joint_Dark_Energy_Mission
& H) Cooke Triplet was a deceptively simple looking asymmetric three element anastigmat formula created by reexamining lens design from first principles
History of photographic lens design
History_of_photographic_lens_design
Photographic optic
implying this design. For example, a Tessar always has four elements in three groups as described below, although Tessars have been produced with different
Large_format_lens
Telescope carried by a balloon
509–510. ISBN 978-0-387-88790-6. Zimmerman, Robert (2010). The universe in a mirror: the saga of the Hubble Telescope and the visionaries who built it. Princeton
Balloon-borne_telescope
Optical aberration
designed to reduce or eliminate astigmatism. Such systems are called anastigmats. If an optical system is not axisymmetric, either due to an error in
Astigmatism_(optical_systems)
Series of photographic camera lenses
assigned to Wild Heerbrugg AG Kingslake, Rudolf (1989). "8. Meniscus Anastigmats". A History of the Photographic Lens. San Diego: Academic Press. pp. 117–130
Zeiss_Biogon
8/80 lens Pål-Nils Nilsson with Cook & Perkins Dallmeyer Dallon Tele-Anastigmat 5.6/500 lens The original normal lens for the 1600F and 1000F was the
List of lenses for Hasselblad cameras
List_of_lenses_for_Hasselblad_cameras
was the most widely used for portraits until Carl Zeiss introduced the anastigmat lens in 1889. Within a decade of being introduced in America, 3 general
History_of_the_camera
Photographic lens
704) Sonnar f/1.5 (Bertele, 1932, per US 1,975,678) The Cooke triplet anastigmat, designed by Dennis Taylor and patented in 1893, was modified in 1916
Zeiss_Sonnar
German optics company
three groups—the third group being three cemented elements—and was initially named the Leitz Anastigmat. Unlike other triplets, the Leitz Anastigmat has
Leica_Camera
Compound lens
Focal Press. ISBN 0817406654. Kingslake, Rudolf (1989). "8. Meniscus Anastigmats". A History of the Photographic Lens. San Diego: Academic Press. pp. 117–130
Double-Gauss_lens
Design of lenses for use in cameras
at each side of the diaphragm, and appropriately named "Anastigmat". This lens was made in three series: Series III, IV and V, with maximum apertures of
Photographic_lens_design
Optical head-mounted computer glasses
Finally, the out-coupling beam splitter (which is a partially reflecting mirror, not a polarizing beam splitter) reflects the collimated light another 45°
Google_Glass
Makinette (3×4) Makinette 35P, prototypes only Makinette 16, prototypes only Anastigmat-Tele-Peconar Anticomar Heli-Orthar Triple-Orthar Makiflex with 18 cm f/4
Plaubel
Deviation from perfect paraxial optical behavior
called the new achromats, and were employed by P. Rudolph in the first anastigmats (photographic objectives). Instead of making d f {\displaystyle df} vanish
Optical_aberration
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THREE MIRROR-ANASTIGMAT
THREE MIRROR-ANASTIGMAT
Boy/Male
Indian, Sanskrit
Mirror
Female
Scottish
Scottish form of Irish Gaelic Muireann, MURRON means "sea-fair."
Boy/Male
Tamil
Mirror
Girl/Female
Japanese
Mirror.
Boy/Male
Hindu, Indian, Traditional
Mirror
Girl/Female
Indian, Tamil
Mirror
Surname or Lastname
English (mainly southeastern)
English (mainly southeastern) : topographic name for someone who lived near a conspicuous tree, Middle English tre(w).
Girl/Female
Indian, Sanskrit
Mirror
Male
Russian
(Мирон) Russian form of Greek Myron, MIRON means "myrrh."
Girl/Female
Bengali, Indian
Mirror
Boy/Male
Indian, Sanskrit
Mirror
Boy/Male
Indian, Sanskrit
Mirror
Boy/Male
Tamil
Mirror
Surname or Lastname
English
English : variant spelling of Miner.German : nickname, meaning ‘small(er)’, from Latin minor ‘less’, ‘smaller’.French : nickname meaning ‘younger’, from the same word as in 2.
Surname or Lastname
English
English : habitational name from Merrow in Surrey, possibly so named from Old English mearg ‘marrow’ used figuratively to mean ‘fertile ground’.
Boy/Male
Finnish, German, Russian
Mirror
Male
French
Possibly a French form of Latin Marcus, MARROK means "defense" or "of the sea." In Arthurian legend, this is the name of a knight who was also a werewolf. In Thomas Malory's Le Morte d'Arthur, "Death of Arthur," (1469-1470), there is a single line mentioning this knight; it reads as follows: "Sir Marrok the good knyghte that was betrayed with his wyf for she made hym seven yere a werwolf."Â
Girl/Female
Indian
Mirror
Girl/Female
Indian, Telugu
Veda means Vedham and Shree means Sriman Narayana
Surname or Lastname
English of three possible origins
English of three possible origins : of three possible origins: from a medieval survival with added initial H- of the Old English personal name Ædduc, a diminutive of Æddi, itself a short form of various compound names with the first element ēad ‘prosperity’, ‘fortune’.English of three possible origins : habitational name from Haydock near Liverpool, which is probably named from Welsh heiddog ‘characterized by barley’.English of three possible origins : from Middle English hadduc ‘haddock’, hence a metonymic occupational name for a fisherman or fish seller, or a nickname for someone supposedly resembling the fish.
THREE MIRROR-ANASTIGMAT
THREE MIRROR-ANASTIGMAT
THREE MIRROR-ANASTIGMAT
THREE MIRROR-ANASTIGMAT
THREE MIRROR-ANASTIGMAT
THREE MIRROR-ANASTIGMAT
THREE MIRROR-ANASTIGMAT
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