focus lamp

0.02 sec.

focus lamp [′fō·kəs ‚lamp]

(electricity)

A lamp whose filament has a spiral or zigzag form in order to reduce its size, so that it can be brought into the focus of a lens or mirror.

An arc lamp whose feeding mechanism is designed to hold the arc in a constant position with respect to an optical system that is used to focus its rays.

Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content.

?Page tools

Printer friendly
Cite / link

Feedback

Mentioned in	?		Encyclopedia browser	?		Full browser	?
No references found			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. Fodor, Joszef Fodor, Jószef Foederati Foehn			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 FOCUS Interactive Data Entry Language Focus Issue Meeting focus lamp Focus Last Selected Tab Focus length Focus length Focus length Focus list Focus Lists Focus Mechanism Assembly Focus Mission Interferometer Focus Montgomery Ward Focus Motorsports Ministries Focus Now Focus of attention Focus of attention Focus of Expansion Focus of Main Effort Focus of Mass Destruction Focus of the Seventh Focus Offset focus on focus on focus on focus on focus on Focus on Alternative and Complementary Therapies Focus on American Arab Interests Relations Focus on Analysis and Documentation in the Enduring Stockpile Focus on Christ Uplifting Singles Focus on Contemporary Issues Focus on Education Foundation Focus on Energy

Encyclopedia

Free Tools:	For surfers: Free toolbar & extensions \| Word of the Day \| Help For webmasters: Free content \| Linking \| Lookup box \| Double-click lookup

Disclaimer
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.