direct finder
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direct viewfinder — noun : a finder in which the subject is viewed directly through a lens or sight … Useful english dictionary
Radio direction finder — Civil Air Patrol members practice using a handheld radio direction finder to locate an emergency locator transmitter … Wikipedia
Height finder — A height finder is a ground based aircraft altitude measuring device.TechnologyEarly height finder implementations were optical devices and later migrated to radar devices. Devices combining both optics and radar were deployed by the United… … Wikipedia
radio direction finder — a navigational aid establishing a fix by means of the bearings of two known radio stations. Abbr.: RDF [1920 25] * * * ▪ instrument also called Radio Compass, radio receiver and directional antenna system used to determine the direction… … Universalium
direction-finder — direcˈtion finder noun A radio receiver that determines the direction of arrival of incoming waves, used esp in navigation • • • Main Entry: ↑direct … Useful english dictionary
photography, technology of — Introduction equipment, techniques, and processes used in the production of photographs. The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… … Universalium
History of the single-lens reflex camera — The history of the single lens reflex camera predates the invention of photography in 1826/27 by one and a half centuries with the use of a reflex mirror in a camera obscura first described in 1676. Such SLR devices were popular as drawing aids… … Wikipedia
viewfinder — /vyooh fuyn deuhr/, n. Photog. finder (def. 2b). [1890 95; VIEW + FINDER] * * * ▪ photography camera component that shows the area of the subject to be included in a photograph. In modern cameras it usually is part of a direct visual or… … Universalium
Mac OS X Lion — Mac OS X v10.7 Lion Part of the Mac OS X family … Wikipedia
Oscilloscope — This article is about current oscilloscopes, providing general information. For history of oscilloscopes, see Oscilloscope history. For detailed information about various types of oscilloscopes, see Oscilloscope types. Illustration showing the… … Wikipedia
