reflecting objective

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• Reflecting instrument — Reflecting instruments are those that use mirrors to enhance their ability to make measurements. In particular, the use of mirrors permits one to observe two objects simultaneously while measuring the angular distance between the objects. While… …   Wikipedia

• reflecting telescope — n. any of several telescopes having as the objective a paraboloid mirror mounted at the lower end of the tube and using various systems of mirrors for viewing the image by reflecting the incident light to an eyepiece; reflector * * * …   Universalium

• reflecting telescope — n. any of several telescopes having as the objective a paraboloid mirror mounted at the lower end of the tube and using various systems of mirrors for viewing the image by reflecting the incident light to an eyepiece; reflector …   English World dictionary

• Reflecting telescope — 24 inch convertible Newtonian/Cassegrain reflecting telescope on display at the Franklin Institute. A reflecting telescope (also called a reflector) is an optical telescope which uses a single or combination of curved mirrors that reflect light… …   Wikipedia

• Objective (optics) — Several objective lenses on a microscope. In an optical instrument, the objective is the optical element that gathers light from the object being observed and focuses the light rays to produce a real image. Objectives can be single lenses or… …   Wikipedia

• reflecting microscope — noun a microscope whose objective is composed of two mirrors, one convex and the other concave; it is free of chromatic aberration …   Wiktionary

• The Reflecting Skin (film) — Infobox Film name = The Reflecting Skin director = Philip Ridley producer = Dominic Anciano writer = Philip Ridley starring = Viggo Mortensen Lindsay Duncan distributor = BBC Miramax Films released = 9 September 1990 | runtime = 95 min. language …   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

• Economic Affairs — ▪ 2006 Introduction In 2005 rising U.S. deficits, tight monetary policies, and higher oil prices triggered by hurricane damage in the Gulf of Mexico were moderating influences on the world economy and on U.S. stock markets, but some other… …   Universalium

• History of the telescope — The earliest known working telescopes appeared in 1608 and are credited to Hans Lippershey and Zacharias Janssen, spectacle makers in Middelburg, and Jacob Metius of Alkmaar. The design of these early refracting telescopes consisted of a convex… …   Wikipedia

• microscope — /muy kreuh skohp /, n. 1. an optical instrument having a magnifying lens or a combination of lenses for inspecting objects too small to be seen or too small to be seen distinctly and in detail by the unaided eye. 2. (cap.) Astron. the… …   Universalium