- meniscus corrector plate
- <opt> ■ Meniskuskorrektionsplatte f
English-german technical dictionary. 2013.
English-german technical dictionary. 2013.
Meniscus corrector — Albert Bouwers 1941 catadioptric telescope with a concentric meniscus corrector A meniscus corrector is a negative meniscus lens that is used to correct spherical aberration in image forming optical systems such as catadioptric telescopes. They… … Wikipedia
Maksutov telescope — A 150mm aperture Maksutov Cassegrain telescope. The Maksutov is a catadioptric telescope design that combines a spherical mirror with a weakly negative meniscus lens in a design that takes advantage of all the surfaces being nearly spherically… … Wikipedia
Catadioptric system — A 150 mm aperture catadioptric telescope (Maksutov) A catadioptric optical system is one where refraction and reflection are combined in an optical system, usually via lenses (dioptrics) and curved mirrors (catoptrics). Catadioptric… … Wikipedia
Vixen (telescopes) — Vixen is a Japanese company that makes telescopes, binoculars, spotting scopes and accessories for their products.They have created two unusual varieties of catadioptric telescopes both with open tube design, rather than the usual… … Wikipedia
Schmidt telescope — a wide angle reflecting telescope used primarily for astronomical photography, in which spherical aberration and coma are reduced to a minimum by means of a spherical mirror with a corrector plate near its focus. Also called Schmidt reflector.… … Universalium
Schmidt-Väisälä camera — The Schmidt Väisälä camera is an astronomical telescopeIntended for wide field (5 to 10 degrees of arc) photographic work. It was designed by Yrjö Väisälä.Invention and designProf. Yrjö Väisälä originally designed an astronomical camera similar… … Wikipedia