- Cassegrainian focus
- Макаров: кассегреновский фокус
Универсальный англо-русский словарь. Академик.ру. 2011.
Cassegrainian focus
Смотреть что такое "Cassegrainian focus" в других словарях:
Cassegrainian telescope — noun a reflecting telescope that has a paraboloidal primary mirror and a hyperboloidal secondary mirror; light is brought to a focus through an aperture in the center of the primary mirror • Syn: ↑Gregorian telescope • Hypernyms: ↑reflecting… … Useful english dictionary
BTA-6 — Infobox Telescope bgcolour = name = BTA 6 caption = BTA 6 as seen from in front of the main entrance organization = SAO location = near Mt. Pastukhova, Russia wavelength = 0.3 to 10 μM built = First light 1975 website = http://w0.sao.ru/Doc… … Wikipedia
telescope — /tel euh skohp /, n., adj., v., telescoped, telescoping. n. 1. an optical instrument for making distant objects appear larger and therefore nearer. One of the two principal forms (refracting telescope) consists essentially of an objective lens… … Universalium
cassegrain — ˈkasəˌgrān, French kȧsgraⁿ adjective also cassegrainian Usage: usually capitalized C : of, relating to, or being the system of optics used in a Cassegrainian telescope cassegrain focus … Useful english dictionary
Cassegrain — [kas′ə grān΄] adj. of an arrangement of mirrors, lenses, etc. used in reflecting telescopes and microwave antennas, having its focus or transmission point near or behind the center of the main mirror Cassegrainian adj. * * * … Universalium
Cassegrain telescope — /kas euh grayn /, Astron. a reflecting telescope in which the light, passing through a central opening in the primary mirror, is brought into focus a short distance behind it by a secondary mirror. Also called Cassegrainian telescope /kas euh… … Universalium
Cassegrain — [kas′ə grān΄] adj. of an arrangement of mirrors, lenses, etc. used in reflecting telescopes and microwave antennas, having its focus or transmission point near or behind the center of the main mirror Cassegrainian adj … English World dictionary
Cassegrain telescope — /kas euh grayn /, Astron. a reflecting telescope in which the light, passing through a central opening in the primary mirror, is brought into focus a short distance behind it by a secondary mirror. Also called Cassegrainian telescope /kas euh… … Useful english dictionary
