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- Foot-candle abstract "A foot-candle (sometimes foot candle; abbreviated fc, lm/ft2, or sometimes ft-c) is a non-SI unit of illuminance or light intensity widely used in the United States in photography, film, television, conservation lighting, greenhouse horticulture, the lighting industry, construction-related engineering and in building codes. The name "footcandle" conveys "the illuminance cast on a surface by a one-candela source one foot away". As natural as this sounds, this style of name is now frowned upon, because dimensionally illuminance is not length times luminous intensity as the name would imply but instead luminous intensity per unit area.The unit is defined as the amount of illumination the inside surface of a one-foot-radius sphere would be receiving if there were a uniform point source of one candela in the exact center of the sphere. Alternatively, it can be defined as the illuminance on a one-square foot surface of which there is a uniformly distributed flux of one lumen.Thus one foot-candle is equal to one lumen per square foot or approximately 10.764 lux. In practical applications, as when measuring room illumination, it is very difficult to measure illuminance more accurately than ±10%, and for many purposes it is quite sufficient to think of one footcandle as about ten lux as is typically done in the lighting industry.".
- Foot-candle thumbnail Foot_candle.jpg?width=300.
- Foot-candle wikiPageExternalLink viewer?a=v&pid=sites&srcid=ZGVmYXVsdGRvbWFpbnxhc3NpZ25tZW50MWJ1aWxkaW5ncHJvZ3JhbXxneDo3NTRlMGMxYzk5MjJlZWM0.
- Foot-candle wikiPageID "508572".
- Foot-candle wikiPageLength "4280".
- Foot-candle wikiPageOutDegree "24".
- Foot-candle wikiPageRevisionID "655908965".
- Foot-candle wikiPageWikiLink Candela.
- Foot-candle wikiPageWikiLink Category:Customary_units_of_measurement_in_the_United_States.
- Foot-candle wikiPageWikiLink Category:Imperial_units.
- Foot-candle wikiPageWikiLink Category:Photometry.
- Foot-candle wikiPageWikiLink Category:Units_of_illuminance.
- Foot-candle wikiPageWikiLink File:Foot_candle.jpg.
- Foot-candle wikiPageWikiLink Film.
- Foot-candle wikiPageWikiLink Foot_(length).
- Foot-candle wikiPageWikiLink Foot_(unit).
- Foot-candle wikiPageWikiLink Horticulture.
- Foot-candle wikiPageWikiLink Illuminance.
- Foot-candle wikiPageWikiLink International_System_of_Units.
- Foot-candle wikiPageWikiLink Latitude.
- Foot-candle wikiPageWikiLink Light.
- Foot-candle wikiPageWikiLink Lighting.
- Foot-candle wikiPageWikiLink Lumen_(unit).
- Foot-candle wikiPageWikiLink Luminous_intensity.
- Foot-candle wikiPageWikiLink Lux.
- Foot-candle wikiPageWikiLink Photography.
- Foot-candle wikiPageWikiLink Photometry_(optics).
- Foot-candle wikiPageWikiLink Photosynthesis.
- Foot-candle wikiPageWikiLink SI.
- Foot-candle wikiPageWikiLink Square_foot.
- Foot-candle wikiPageWikiLink Sunlight.
- Foot-candle wikiPageWikiLink Television.
- Foot-candle wikiPageWikiLink File:GELightmeter.JPG.
- Foot-candle wikiPageWikiLinkText "Foot-candle".
- Foot-candle wikiPageWikiLinkText "fc".
- Foot-candle wikiPageWikiLinkText "foot-candle".
- Foot-candle wikiPageWikiLinkText "footcandle".
- Foot-candle wikiPageWikiLinkText "footcandles".
- Foot-candle wikiPageWikiLinkText "ft-c".
- Foot-candle hasPhotoCollection Foot-candle.
- Foot-candle wikiPageUsesTemplate Template:Cn.
- Foot-candle wikiPageUsesTemplate Template:Reflist.
- Foot-candle wikiPageUsesTemplate Template:Unreferenced.
- Foot-candle subject Category:Customary_units_of_measurement_in_the_United_States.
- Foot-candle subject Category:Imperial_units.
- Foot-candle subject Category:Photometry.
- Foot-candle subject Category:Units_of_illuminance.
- Foot-candle hypernym Unit.
- Foot-candle type Article.
- Foot-candle type Organisation.
- Foot-candle type Article.
- Foot-candle type Psychophysic.
- Foot-candle type Unit.
- Foot-candle comment "A foot-candle (sometimes foot candle; abbreviated fc, lm/ft2, or sometimes ft-c) is a non-SI unit of illuminance or light intensity widely used in the United States in photography, film, television, conservation lighting, greenhouse horticulture, the lighting industry, construction-related engineering and in building codes. The name "footcandle" conveys "the illuminance cast on a surface by a one-candela source one foot away".".
- Foot-candle label "Foot-candle".
- Foot-candle sameAs Vela_(medida).
- Foot-candle sameAs Foot-candle.
- Foot-candle sameAs Vela_(medida).
- Foot-candle sameAs m.02jsyh.
- Foot-candle sameAs Foot_Candle.
- Foot-candle sameAs Čevelj-sveča.
- Foot-candle sameAs Q2064166.
- Foot-candle sameAs Q2064166.
- Foot-candle wasDerivedFrom Foot-candle?oldid=655908965.
- Foot-candle depiction Foot_candle.jpg.
- Foot-candle isPrimaryTopicOf Foot-candle.