focus control

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focus control [′fō·kəs kən‚trōl]

(electronics)

A control that adjusts spot size at the screen of a cathode-ray tube to give the sharpest possible image; it may vary the current through a focusing coil or change the position of a permanent magnet.

(optics)

A device to adjust a lens system to produce a sharp image.

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No references found			1 is a plug-in that gives photographers a way to create realistic depth of field control, plane of focus control and selective focus to any image after it is photographed. Plug-in Suite 4.5 by Ashbrook, Stan / PSA Journal Manual focus control, manual exposure control, manual white balance, manual audio level control and so forth. Buying a Video Camera? What to Look for by Lorraine Grula / Computers and Internet community Coverage encompasses Live View and movie-making, as well as simple explanations of basics like focus controls, flash synchronization, and exposure modes. David Busch's Nikon D90; guide to digital SLR photography by SciTech Book News			focal distance focal infection focal length focal lines focal plane focal point focal power focal property focal radius focal ratio focal seizure focal spot focal-plane array Focal-Plane Shutter Foch Foch space Foch, Ferdinand Focillon, Henri FOCIS Fock, Jeno Focke-Wulf 190 FOCL focometer Focsani Focus focus control FOCUS Desktop FOCUS Fusion focus group focus lamp Focus of Mass Destruction focus projection and scanning focus wave mode focused collision sequence focused-current log Focusing focusing anode focusing coil focusing collector focusing electrode focusing glass focusing magnet focusing scale Focusing, Sound FOD fodder house Fodder Mallows Fodder Mill Fodders, Coarse Fodders, Threshing Barn Fodor, Jerry A.			Focus (optics) Focus (optics) Focus (optics) Focus (software) Focus (software) Focus (software) Focus (software) Focus Adolescent Services Focus Alert Focus Amplifier Focus Appreciation Motivation Focus Area Focus Area Assessments Focus Area Collaborative Team Focus Ask questions Connect ideas Try to picture Focus Attack Dash Cancel focus attention on Focus bracket Focus bracket Focus bracket Focus bracket Focus bracketing Focus bracketing Focus bracketing Focus bracketing Focus Business Bank Focus Business Services Focus Center Research Program Focus Cities Research Initiative Focus Communications focus control Focus Correction Areas Focus Corresponding to N1 Focus Design Location FOCUS Desktop Focus Do It All Focus error Focus Exposure Matrix Focus Film Distance Focus Fire Focus fusion focus g focus g focus g focus g Focus Gain focus group focus group focus group focus group Focus Group Discussion Focus Group Interview Focus Group Representative Focus Group Working Group Focus Groups Focus Groups Focus Groups Focus hook Focus Inhibition Neutralization Test Focus Integration Program Focus Integration Team

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