projector lens

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• projector — /preuh jek teuhr/, n. 1. an apparatus for throwing an image on a screen, as a motion picture projector or magic lantern. 2. a device for projecting a beam of light. 3. a person who forms projects or plans; schemer. [1590 1600; PROJECT + OR2] * *… …   Universalium

• lens —    Physically essential to sight, a transparent tissue that bends light passing through the eye. To focus light, the lens can change shape by bending. Also, a transparent piece of glass or another material, which is shaped to focus the passage of …   Glossary of Art Terms

• Movie projector — This article is concerned with technical aspects of moving film projection. For non film movie projection, see digital cinema. For historical aspects, see the article history of cinema. 35 mm movie projector in operation …   Wikipedia

• Overhead projector — in operation during a classroom lesson An overhead projector is a variant of slide projector that is used to display images to an audience. Contents 1 Mechanism …   Wikipedia

• Slide projector — A slide projector is an opto mechanical device to view photographic slides. It has four main elements: a fan cooled electric light bulb or other light source, a reflector and condensing lens to direct the light to the slide, a holder for the… …   Wikipedia

• Digital single-lens reflex camera — Nikon D700 full frame (FX) digital SLR camera …   Wikipedia

• Fresnel lens — A Fresnel lens (pronounced [ frɛz.nəl] or [freɪ nɛl] ) is a type of lens invented by French physicist Augustin Jean Fresnel. Originally developed for lighthouses, the design enables the construction of lenses of large aperture and short focal… …   Wikipedia

• CRT projector — A CRT projector is a video projector that uses a small, high brightness CRT (or picture tube) as the image generating element. The image is then focused and enlarged onto a screen using a lens kept in front of the CRT face. Most modern CRT… …   Wikipedia

• LCD projector — An LCD projector is a type of video projector for displaying video, images or computer data on a screen or other flat surface. It is a modern analog of the slide projector or overhead projector. OverviewTo display images, LCD (liquid crystal… …   Wikipedia

• Handheld projector — The Nikon Coolpix S1000pj compact camera projecting an image using its built in projector. A Handheld projector (also known as a pocket projector or mobile projector or pico projector) is an emerging technology that applies the use of an image… …   Wikipedia

• Video projector — Projected image from a video projector in a home cinema. A video projector is an image projector that receives a video signal and projects the corresponding image on a projection screen using a lens system. All video projectors use a very bright… …   Wikipedia