extension tube

extension tube
any of a series of tubes of varying lengths placed between the lens and a camera body to facilitate closeup focusing.
[1955-60]

* * *


Universalium. 2010.

Игры ⚽ Поможем сделать НИР

Look at other dictionaries:

  • Extension tube — The tube contains no optical elements; its sole purpose is to move the lens farther from the film or digital sensor. The farther away the lens is, the closer the focus, the greater the magnification, and also the greater the loss of light… …   Wikipedia

  • Extension tube — Приставной [удлинительный] тубус …   Краткий толковый словарь по полиграфии

  • extension tube — Photog. any of a series of tubes of varying lengths placed between the lens and a camera body to facilitate closeup focusing. [1955 60] …   Useful english dictionary

  • Tube — may refer to:Electronics *vacuum tube, a component of electronics *cathode ray tube, a common component of electronics such as televisions and other displays *Tube, An expansion bus on the BBC Micro computer *Nokia 5800 Tube , A mobile phoneFood… …   Wikipedia

  • Tube map — as of April 2011. Part of a series of articles on The Tube …   Wikipedia

  • Tube acoustique — pour communiquer avec la salle des machines du brise glace à vapeur Stettin (1933). Un tube acoustique ou tuyau acoustique est un moyen de transmission de la voix, l ancêtre de l interphone. Un tube conduisant les ondes de pression du son …   Wikipédia en Français

  • Tube — Cette page d’homonymie répertorie les différents sujets et articles partageant un même nom. Sur les autres projets Wikimedia : « Tube », sur le Wiktionnaire (dictionnaire universel) Un tube est un objet creux plus haut que large.… …   Wikipédia en Français

  • tube — (tu b ) s. m. 1°   Tuyau par où l air, les fluides et les liquides, etc. peuvent avoir une issue. Un tube de plomb, de cuivre, de verre.    Il se dit, dans le langage des périphrases poétiques, pour fusil. •   Le chasseur prend son tube, image du …   Dictionnaire de la Langue Française d'Émile Littré

  • Tube Challenge — The Tube Challenge is the accepted name for the Guinness World Record ( GWR ) for visiting all London Underground stations in the shortest time possible, of which there are currently [http://www.tfl.gov.uk/assets/downloads/Standard Tube… …   Wikipedia

  • extension — [[t]ɪkste̱nʃ(ə)n[/t]] extensions 1) N COUNT An extension is a new room or building which is added to an existing building or group of buildings. 2) N COUNT: usu with supp An extension is a new section of a road or rail line that is added to an… …   English dictionary

Share the article and excerpts

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