- objective prism
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a large prism placed in front of the objective lens or mirror of a telescope, allowing the simultaneous acquisition of the spectra of many stars.
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Universalium. 2010.
objective prism
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objective prism — objektyvo prizmė statusas T sritis fizika atitikmenys: angl. objective prism vok. Objektivprisma, n rus. объективная призма, f pranc. prisme d’objectif, m … Fizikos terminų žodynas
objective prism — noun : a transparent prism of small apex angle but large size that is placed in front of the objective of a telescope to cause all stars and other objects to appear as short spectra in the focal plane where they may be photographed together on a… … Useful english dictionary
objective — Synonyms and related words: achromatic lens, affectless, aim, ambition, anesthetized, animus, appetence, appetency, appetite, arctic, aspiration, astigmatic lens, autistic, bauble, bibelot, blunt, burning glass, butt, by end, by purpose, camera,… … Moby Thesaurus
prism — Synonyms and related words: achromatic lens, astigmatic lens, burning glass, camera, coated lens, concave lens, concavo convex lens, condenser, convex lens, eyeglass, eyepiece, glass, hand lens, lens, magnifier, magnifying glass, meniscus, object … Moby Thesaurus
prism binocular — noun : a binocular with shortened telescopic tubes in each of which light rays entering through the objective lens are reflected by two Porro prisms before passing through the eyepiece where finally an erect virtual image is formed often used in… … Useful english dictionary
Porro prism — In optics, a Porro prism, named for its inventor Ignazio Porro, is a type of reflection prism used in optical instruments to alter the orientation of an image.It consists of a block of glass shaped as a right geometric prism with right angled… … Wikipedia
roof prism — noun : a glass prism used in an optical range finder and other instruments that performs the double function of changing the direction of the light rays by 90 degrees and reversing the image right to left compare porro prism * * * Optics. See… … Useful english dictionary
Opus Dei: An Objective Look Behind the Myths and Reality of the Most Controversial Force in the Catholic Church — is a book written by American journalist John Allen, Jr. about the Prelature of the Holy Cross and Opus Dei. While the book received mixed reviews, there were more positive reviews than negative. Two journalists referred to it as widely… … Wikipedia
Henry Draper Catalogue — The Henry Draper Catalogue (HD) is an astronomical star catalogue published between 1918 and 1924, giving spectroscopic classifications for 225,300 stars; it was later expanded by the Henry Draper Extension (HDE), published between 1925 and 1936 … Wikipedia
Karl Gordon Henize — Infobox Astronaut name =Karl Gordon Henize caption = type =NASA Astronaut nationality =American date birth =birth date|1926|10|17|df=y date death =death date and age|1993|10|05|1926|10|17|df=y place birth =Cincinnati Ohio place death =Mount… … Wikipedia
