Diagonal mirror

Diagonal mirror

Diagonal mirror may refer to:

  • The flat Secondary mirror used in a Newtonian telescope
  • Another name for right angled eyepiece mount used in telescopes called a Star diagonal
  • An optical Edwardian parlour entertainment device also known as a Zograscope



Wikimedia Foundation. 2010.

Игры ⚽ Нужно сделать НИР?

Look at other dictionaries:

  • diagonal opera glass — Polemoscope Po*lem o*scope, n. [Gr. ? war + scope: cf. F. pol[ e]moscope.] An opera glass or field glass with an oblique mirror arranged for seeing objects that do not lie directly before the eye; called also {diagonal opera glass}, or {side… …   The Collaborative International Dictionary of English

  • Star diagonal — A star diagonal is an angled mirror or prism used in telescopes that allows viewing of objects that are at a 90° angle from the direction the telescope is pointing. It allows convenient and comfortable viewing when the telescope is pointed at, or …   Wikipedia

  • The Mirror Barcelona — (Барселона,Испания) Категория отеля: 4 звездочный отель Адрес: Corcega, 255, Эш …   Каталог отелей

  • 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

  • Newtonian telescope — The Newtonian telescope is a type of reflecting telescope invented by the British scientist Sir Isaac Newton (1642–1727), using a concave primary mirror and a flat diagonal secondary mirror. Newton’s first reflecting telescope was completed in… …   Wikipedia

  • Newton's reflector — A replica of Newton s second reflecting telescope that he presented to the Royal Society in 1672 described as the better of the two instruments Newton built[1]. The first reflecting telescope built by Sir Isaac Newton in 1668 …   Wikipedia

  • 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

  • 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

  • Zograscope — An example of a picture designed for viewing under a zograscope equipped with a mirror. A zograscope is an optical device for enhancing the sense of depth perception from a flat picture. It consists of a large magnifying lens through which the… …   Wikipedia

  • Magnetic resonance imaging — MRI redirects here. For other meanings of MRI or Mri, see MRI (disambiguation). Magnetic resonance imaging Intervention Sagittal MR image of the knee ICD 10 PCS B?3?ZZZ …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”