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Optical system where refraction and reflection are combined
A catadioptric optical system is one where refraction and reflection are combined in an optical system, usually via lenses (dioptrics) and curved mirrors
Catadioptric_system
A catadioptric sensor is a visual sensor that contains mirrors (catoptrics) and lenses (dioptrics), a combined catadioptric system. These are panoramic
Catadioptric_sensor
Aesthetic quality of blur in the out-of-focus parts of an image
of a catadioptric system. Focus on foreground. Picture of Forsythia with doughnut-shaped foreground bokeh, due to the use of a catadioptric system. Focus
Bokeh
Combination of concave and convex mirrors
found among his experiments. The Cassegrain design is also used in catadioptric systems. The "classic" Cassegrain has a parabolic primary mirror and a hyperbolic
Cassegrain_reflector
Compact high-power telescope
may use relay lenses, prisms such as Porro or roof prisms, or a catadioptric system of the Schmidt or Maksutov design. Spotting scopes may have a ruggedized
Spotting_scope
Topics referred to by the same term
categories in category theory CAT(k) space, a type of metric space Catadioptric system, in optics Cherenkov Array at Themis, an atmospheric Cherenkov imaging
Cat_(disambiguation)
1959 35mm single-lens reflex camera
length by 1962. Nikon was among the first companies to manufacture Catadioptric system lens designs, combining mirrors and lenses to make more-compact lenses
Nikon_F
Locality on the southern coast of Spain
lighthouse. It is topped by an entablature or moulding where the catadioptric system was kept. The lighthouse was built with polygonal stone slabs and
Torre_del_Mar
Type of lens
aberrations. They are also used in combination with reflective elements (catadioptric systems) such as the aspherical Schmidt corrector plate used in the Schmidt
Aspheric_lens
Compact composite lens
physicist Augustin-Jean Fresnel (1788–1827) for use in lighthouses. The catadioptric (combining refraction and reflection) form of the lens, entirely invented
Fresnel_lens
Optical device which transmits and refracts light
devices lenses are sometimes paired up with curved mirrors to make a catadioptric system where the lens's spherical aberration corrects the opposite aberration
Lens
Optical lens that transmits images
including such lenses in 1965. Prism (e.g. Porro or roof prism) Catadioptric system Star diagonal Lautemann, Kerstin; Leonhard, Martin; Stern, Regina;
Relay_lens
used to correct spherical aberration in image-forming optical systems such as catadioptric telescopes. It works by having the equal but opposite spherical
Meniscus_corrector
mirror so it can reach the film plane of the attached camera. The Catadioptric system, where a spherical reflector is combined with a lens with the opposite
History of photographic lens design
History_of_photographic_lens_design
French optical physicist (1788–1827)
end of the 19th century. He is perhaps better known for inventing the catadioptric (reflective/refractive) Fresnel lens and for pioneering the use of "stepped"
Augustin-Jean_Fresnel
Wide-angle photographic view of a scene
fields of view can be accurately computed. The biggest advantage of catadioptric systems (panoramic mirror lenses) is that because one uses mirrors to bend
Panoramic_photography
Estonian optician (1879–1935)
at a particular location, and a "correction plate") into a simple catadioptric system, based on reasoning from first principles, was epoch making. In particular
Bernhard_Schmidt
Failure of a lens to focus all colors on the same point
telescope, in 1668.) Modern telescopes, as well as other catoptric and catadioptric systems, continue to use mirrors, which have no chromatic aberration. There
Chromatic_aberration
Design of lenses for use in cameras
mirror combined with some form of aberration correcting lens (a catadioptric system) rather than just a lens. A centrally placed secondary mirror and
Photographic_lens_design
Catadioptric reflector for search lights
invented in 1874 by a French officer Alphonse Mangin as an improved catadioptric reflector for search lights and is also used in other optical devices
Mangin_mirror
French physicist (1819–1868)
mirror, which is necessary to obtain optimal performance of the optical system. The Foucault test is in use to this date, most notably by amateur and smaller
Léon_Foucault
Lighthouse in Michigan, United States
would reflect back through the central lens—a perfect example of a 'catadioptric system." An office was on the tower's lower level, and it was accessible
Big_Bay_Point_Light
Type of catadioptric telescope
The Schmidt–Cassegrain is a catadioptric telescope that combines a Cassegrain reflector's optical path with a Schmidt corrector plate to make a compact
Schmidt–Cassegrain_telescope
the sizes of the secondary mirror and the telescope tube. For a catadioptric system that has a combination of mirror and lens, the determination of reduction
Telecompressor
two asperical components. Systems with more than four mirrors tend to be large and a lot more complex. Catadioptric systems are used in Imagine Spectrometers
Imaging_spectrometer
Lighthouse in Portugal
miles. The bulbs emit a white flash every four seconds. Employing a Catadioptric system the light is aimed both at the horizon and into the sky, the latter
Cape_Espichel_Lighthouse
Catadioptric telescope design
The Argunov–Cassegrain telescope is a catadioptric telescope design first introduced in 1972 by P. P. Argunov. All optics are spherical, and the classical
Argunov–Cassegrain_telescope
Soviet lens design series
characteristic donut shaped blur (Bokeh) due to the presence of the central obscuration in the catadioptric system. Focus on foreground. Rubinar 5,6/500
Rubinar
Catadioptric telescope design
The Maksutov (also called a "Mak") is a catadioptric telescope design that combines a spherical mirror with a weakly negative meniscus lens in a design
Maksutov_telescope
Still image film format
from 22 to 240 mm and three prime lenses at 17, 50 (macro), and 400 (catadioptric) mm focal lengths. An adapter was available to use 35 mm A-mount (Alpha
Advanced_Photo_System
Type of camera lens with long focal length
camera lenses that combine mirrors with lenses. These designs, called catadioptric, 'reflex', or 'mirror' lenses, have a curved mirror as the primary objective
Telephoto_lens
Line of photographic equipment from Minolta
A-mount camera system was a line of photographic equipment from Minolta introduced in 1985 with the world's first integrated autofocus system in the camera
Minolta_A-mount_system
Telescopes which utilize curved mirrors to form an image
compensate for gravitational deformation. A mid-20th century innovation was catadioptric telescopes such as the Schmidt camera, which use both a spherical mirror
Reflecting_telescope
Lighthouse and lighthouse museum in Cascais, Portugal
catoptric apparatus. This light was replaced by a 5th-order, fixed-light catadioptric system in 1908. In 1936 the tower was increased in height by 8 meters, due
Santa_Marta_Lighthouse
classified by three primary optical designs (refractor, reflector, or catadioptric), by sub-designs of these types, by how they are constructed, or by the
List_of_telescope_types
Bavarian optical-glass and scientific-instrument enterprise
telescope, followed in 1911 by a specialised medial telescope, a type of catadioptric system combining lenses and a mirror. Zschokke died in 1932, when the company
Optical Institute at Benediktbeuern
Optical_Institute_at_Benediktbeuern
Lighthouse in Tasmania, Australia
oil Argand lamps and the tin mirrors were replaced by a revolving catadioptric system, manufactured by Wilkins and Company of London. The lens floated
Low_Head_Lighthouse
Type of catadioptric telescope
A Schmidt–Newtonian telescope or Schmidt–Newton telescope is a catadioptric telescope that combines elements from both the Schmidt camera and the Newtonian
Schmidt–Newtonian_telescope
Type of reflecting telescope
several variations on the Newtonian design that add a lens to the system creating a catadioptric telescope. This is done to correct spherical aberration or reduce
Newtonian_telescope
intelligence; Equatorial mounts for telescopes; Catadioptric telescopes of the original Yuri Andreyevich Klevtsov system, with apertures 150, 200 and 250 mm (TAL-150K
Novosibirsk Instrument-Building Plant
Novosibirsk_Instrument-Building_Plant
Photographic lens
Minolta manufactured and sold a series of RF Rokkor prime catadioptric lenses for its SR-mount single-lens reflex cameras starting in 1965 with the introduction
Minolta_RF_Rokkor
Series of camera lens mounts made by Pentax
200 mm f3.3 Auto Multicoated Chinon Makinon 500 mm f8 catadioptric Cima Kogaku had a patented system that allowed them to build common lens bodies, and add
Pentax_K-mount
Astrophotographic telescope
A Schmidt camera, also referred to as the Schmidt telescope, is a catadioptric astrophotographic telescope designed to provide wide fields of view with
Schmidt_camera
Study of the relationship between light and mirrors
(dioptric telescopes). Dioptrics Catadioptrics Optical telescope List of telescope types Image-forming optical system Fresnel lens Lighthouse lens Jannaris
Catoptrics
Photograph of Earth by Voyager 1
Pale Blue Dot was taken with the narrow-angle camera, a 1500 mm f/8.5 catadioptric cassegrain telescope whose design was based on the 1973 Mariner mission
Pale_Blue_Dot
sensor BioFET Biochip Biosensor Capacitance probe Capacitive sensing Catadioptric sensor Carbon paste electrode Digital sensors Displacement receiver Electromechanical
List_of_sensors
optical focus. Isaac Newton is reported to have designed what he called a catadioptrical phantasmagoria, which can be interpreted to mean an elaborate structure
Image-forming_optical_system
Science of light and lenses
measurement) Catoptrics (study of and optical systems utilizing reflection) Catadioptrics (study of and optical systems utilizing reflection and refraction) Optical
Dioptrics
Lens Mount
Sonnar 1:4.0 300 mm Sonnar 1:8.0 500 mm Fernobjektiv 1:5.6 1000 mm (catadioptric) From West Germany, for the Exakta 66. 1:4.5 55 mm Super-Angulon MF 1:3
Pentacon_Six_mount
Device in optics that reduces light intensity
photographic catadioptric lenses, since the use of a traditional iris diaphragm increases the ratio of the central obstruction found in those systems, leading
Neutral-density_filter
Manufacturer of telescopes, etc., based in Watsonville, California
In November, 2006, plaintiffs including Star Instruments and RC Optical Systems, manufacturers of traditional Ritchey-Chrétien optics and telescopes, filed
Meade_Instruments
incurs a reflective loss. Larger meniscus lenses have been used in later catadioptric telescopes which mix refractors and reflectors in the image-forming part
List of largest optical refracting telescopes
List_of_largest_optical_refracting_telescopes
Telescope
and Autostar system. Rod Mollise (2009). Choosing and Using a New CAT: Getting the Most from Your Schmidt Cassegrain or Any Catadioptric Telescope. Springer
Meade_LX90
Telescope for observations with visible light
prisms (dioptrics) Reflecting telescopes, which use mirrors (catoptrics) Catadioptric telescopes, which combine lenses and mirrors An optical telescope's ability
Optical_telescope
Retrieved 21 August 2025. "First light on the 127-element adaptive optical system for 1.8-m telescope". Archived from the original on 12 January 2016. Retrieved
List of large optical telescopes
List_of_large_optical_telescopes
Photographic lens
Originally produced by Minolta, then by Sony, the AF Reflex 500mm f/8 was a catadioptric photographic lens compatible with cameras using the Minolta A-mount and
Minolta_AF_Reflex_500mm_f/8
Head-mounted device that provides virtual reality for the wearer
May 2018). "Design of an immersive head mounted display with coaxial catadioptric optics". In Kress, Bernard C; Stolle, Hagen; Osten, Wolfgang (eds.).
Virtual_reality_headset
American space project
studies but not for observing morphology. The sensor consisted of a catadioptric telescope with an aperture of 46 mm and fused silica lenses focused onto
Clementine_(spacecraft)
Mounting system for camera or telescope
of the fork so it can swing in declination. Most modern mass-produced catadioptric reflecting telescopes (200 mm or larger diameter) tend to be of this
Equatorial_mount
Observatory for Oort Cloud objects
development award in a Discovery Program selection. The design proposed was a catadioptric Cassegrain telescope with a 77-centimeter aperture (30.3 inches). It
Whipple_(spacecraft)
Military passive night vision scope
with reticles and can be used as a weapon sight as well. With a larger catadioptric lens and higher zoom level, it is rated with a detection range of over
AN/PVS-4
UFOs reported by astronauts while in space
debris, including two objects which were implied to be out-of-focus catadioptric bokeh artifacts; however, he disagreed with the debris explanation regarding
UFO_sightings_in_outer_space
SLR camera
possible to have linkages to the auto-aperture. The 1000 mm being a catadioptric lens that it is not possible to have an aperture. Two leaf-shutter lenses
Pentax_6×7
Type of image projector
of lantern slide collections Projector (disambiguation) Zoopraxiscope Catadioptric telescope Henry Underhill (1855–1920), magic lantern lecturer Morton
Magic_lantern
Lighthouse at Beachy Head, East Sussex, England
the tower. The lighthouse was equipped with a first-order revolving catadioptric optic made up of three double panels, giving two white flashes every
Beachy_Head_Lighthouse
Lighthouse off Land's End, England
1 kW tungsten filament lamp was installed, within a new fourth-order catadioptric optic (again made by Chance Brothers); the optic was provided with a
Wolf_Rock_Lighthouse
Lens design
catoptric telescopes are three-mirror anastigmats, while the corresponding catadioptric telescopes use two mirrors (reflector) and one lens (refractor) to accomplish
Anastigmat
Lens or mirror in optical instruments
telescopic sights) or the image-forming primary mirror of a reflecting or catadioptric telescope. A telescope's light-gathering power and angular resolution
Objective_(optics)
Type of catadioptric telescope
The Klevtsov–Cassegrain telescope is a type of catadioptric Cassegrain telescope that uses a spherical primary mirror and a sub-aperture secondary corrector
Klevtsov–Cassegrain_telescope
Astronomical observatory and historic landmark in Arizona, US
Housed in its own aluminum dome, this 24-inch (61 cm) PlaneWave CDK catadioptric reflector is used for nightly private observing events. An educator guides
Lowell_Observatory
Lighthouse in Cornwall, England
foundations. In 1845 the lighthouse was equipped with a new second-order fixed catadioptric optic, manufactured by Henry Lepaute of Paris, with a single multi-wick
Eddystone_Lighthouse
Illusion technique
the trade media. Camera lucida – Optical drawing aid Camera obscura Catadioptric telescope Front projection effect Head-up display – Transparent display
Pepper's_ghost
Breakwater in Plymouth Sound
shipwrecked sailors. The lighthouse had been provided with a second-order catadioptric lens array by Henry Lepaute of Paris; it showed a fixed red light with
Plymouth_Breakwater
Type of optical telescope
Lowell Observatory (61 cm or 24 in) Astrograph Baden-Powell's unilens Catadioptric telescopes List of largest optical refracting telescopes List of largest
Refracting_telescope
Canada's first space telescope
partnership with Dr. Matthews, but also other planetary studies, attitude control system algorithm R&D, and Earth observation. MOST was finally decommissioned in
MOST_(spacecraft)
Observatory in Azerbaijan
the main mirror is parabolic D=700 mm, F=2820 mm. The first Cassegrain system F=11200 mm, relative aperture 1:16 and angle of view 40' or 13x13 cm2. Telescope
Shamakhy Astrophysical Observatory
Shamakhy_Astrophysical_Observatory
Lens mount
dispersion through diffraction, rather than refraction. Reflex — Designates a catadioptric (mirror) lens. RF — Rear Focusing. Quite similar to internal focusing
Nikon_F-mount
Japanese optics company
Tamron was also responsible for the development of the t2 or T-mount adapter system. Fixed-focal wideangle, telephoto and macro lenses; Zoom lenses of various
Tamron
Standard lens mount on the Canon
offers all FD features. The Reflex 500mm f/8 lens is a supertelephoto catadioptric lens of high optical quality which shares the unique characteristics
Canon_FD_lens_mount
American semiconductor equipment manufacturer
product line consisted of 1x microlithography steppers, using a unique catadioptric lens design. Until 1992, Ultratech Stepper, Inc., was a subsidiary of
Ultratech
Company based in New Hope, Pennsylvania
telescope was one of portability, compactness, and ease of use. He used a catadioptric Maksutov design, named after its inventor Dmitry Maksutov, for the optical
Questar_Corporation
Skerry in the Atlantic Ocean off the coast of Cornwall, England
with a 4-wick oil lamp by Wilkins & Son and a large (first order) fixed catadioptric optic by Henry Lépaute, and shone its light for the first time on 1 September
Bishop_Rock
Dutch optical engineer (1893–1972)
at Philips research labs. He is lesser known for patenting in 1941 a catadioptric meniscus telescope design similar to but slightly predating the Maksutov
Albert_Bouwers
Chalk headland in Kent, England
multi-wick oil burner was installed together with a large (first-order) fixed catadioptric optic manufactured by Sautter & Co. of Paris (replacing the previous
North_Foreland
American astronomer
Ingalls, Editor, Scientific American Press, 1953. J.G. Baker, "The Catadioptric Refractor," Astronomical Journal 59, 1954. J. G. Baker, "Planetary Telescopes"
James_Gilbert_Baker
Tidal island in the East Riding of Yorkshire, England
lights were provided with occulting mechanisms, also gas-driven. The new systems were automated; the keepers therefore moved out and their cottages were
Spurn
Lighthouse in Pembrokeshire, Wales
1963. An electric fog-signal was installed in 1969, replacing the previous system that used explosive signal charges. Stores were transferred from the mainland
Strumble_Head_Lighthouse
Pair of lighthouses in England, United Kingdom
two lighthouses were each provided with a medium-sized (third-order) catadioptric fixed optic designed by James Chance. In 1865 John Tyndall had succeeded
South_Foreland_Lighthouses
Arab physicist, mathematician and astronomer (c.965–c.1040)
(2010), Analytical Forward Projection for Axial Non-Central Dioptric and Catadioptric Cameras, European Conference on Computer Vision, archived from the original
Ibn_al-Haytham
Lighthouse
to accommodate a new 15-foot lens: a large (first-order) revolving catadioptric optic made up of four asymmetrical panels, which displayed four white
Flamborough_Head_Lighthouse
Observatory
instruments including a 32-inch Dobsonian telescope and 14-inch Celestron catadioptric telescope. Rainwater is currently awaiting delivery of the Sollee Telescope
Rainwater Observatory and Planetarium
Rainwater_Observatory_and_Planetarium
Lighthouse on the southeastern tip of Gibraltar
much more powerful, revolving lens system was introduced for the primary optic: a Stone-Chance 2nd Order Catadioptric optic. By a complex arrangement of
Europa_Point_Lighthouse
Lighthouse on the south coast of Cornwall, England
power). At the same time a pair of medium-sized (third-order) fixed catadioptric optics were installed, one on each tower, designed by John Hopkinson
Lizard_Lighthouse
D. (1972). Minolta System Handbook (PDF). Amphoto – via Pacific Rim Camera, Reference Library. "A guide to the Minolta SR system of creative photography"
List of Minolta SR-mount lenses
List_of_Minolta_SR-mount_lenses
Amici (1786–1863), astronomer and microscopist. The inventor of the catadioptric microscope (presented at the Arts and Industry Exhibition in Milan in
List_of_people_from_Italy
Former lighthouse in Victoria, Australia
failure or fault in the electrical equipment. The lens were dioptric, catadioptric, and holophotal. Inside the tower, there is a 120-step spiral staircase
Eastern_Shore_Light
Lighthouse in Norfolk
each lighthouse by a single multi-wick lamp and a large (first-order) catadioptric lens designed by Chance Brothers of Smethwick. In 1871 Happisburgh's
Happisburgh_Lighthouse
Astronomical observatory
vacuum exceeding 7×106 Torr, using a vertical-optic, 1500-ampere discharge system. A dielectric coating capability has also been demonstrated. Large optics
United States Naval Observatory Flagstaff Station
United_States_Naval_Observatory_Flagstaff_Station
Italian cubesat aboard DART spacecraft (2022)
during flyby, dubbed LEIA (LICIACube Explorer Imaging for Asteroid), a Catadioptric camera, a narrow field of view (FoV) of 2.06°, 25 microradian/pixel,
LICIACube
Lens mount for Rolleiflex SL35 cameras
The Quick Bayonet Mount (QBM) is the bayonet mount system for the range of interchangeable lenses fitted to 135 film cameras built by Rollei in Germany
QBM
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CATADIOPTRIC SYSTEM
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