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- Guide_number abstract "The guide number for an electronic flash measures its ability to illuminate the subject to be photographed at a specific film or sensor sensitivity and angle of view. A higher guide number indicates a more powerful flash. The guide number (or \"GN\") can be used to compute flash power, subject distance, or camera lens aperture for correct exposure.For example, doubling the guide number means the flash can illuminate an object at twice the distance, or for an object at the same distance can be used at one quarter the sensitivity. Doubling the guide number requires a quadrupling of the flash's power, as the area to be illuminated increases as the square of the distance (cf. inverse-square law).Guide number is frequently abbreviated as \"GN\".".
- Guide_number wikiPageExternalLink strobecalc.eu5.org.
- Guide_number wikiPageID "1735457".
- Guide_number wikiPageLength "6843".
- Guide_number wikiPageOutDegree "14".
- Guide_number wikiPageRevisionID "647576781".
- Guide_number wikiPageWikiLink Angle_of_view.
- Guide_number wikiPageWikiLink Aperture.
- Guide_number wikiPageWikiLink Category:Flash_photography.
- Guide_number wikiPageWikiLink Category:Metrics.
- Guide_number wikiPageWikiLink Diffuser_(optics).
- Guide_number wikiPageWikiLink Exposure_(photography).
- Guide_number wikiPageWikiLink F-number.
- Guide_number wikiPageWikiLink Film_speed.
- Guide_number wikiPageWikiLink Flash_(photography).
- Guide_number wikiPageWikiLink Inverse-square_law.
- Guide_number wikiPageWikiLink Slide_rule.
- Guide_number wikiPageWikiLinkText "GN".
- Guide_number wikiPageWikiLinkText "Guide Number".
- Guide_number wikiPageWikiLinkText "Guide number".
- Guide_number wikiPageWikiLinkText "guide number".
- Guide_number wikiPageUsesTemplate Template:Citation_needed.
- Guide_number wikiPageUsesTemplate Template:Convert.
- Guide_number wikiPageUsesTemplate Template:F.
- Guide_number subject Category:Flash_photography.
- Guide_number subject Category:Metrics.
- Guide_number type Redirect.
- Guide_number comment "The guide number for an electronic flash measures its ability to illuminate the subject to be photographed at a specific film or sensor sensitivity and angle of view. A higher guide number indicates a more powerful flash.".
- Guide_number label "Guide number".
- Guide_number sameAs Q260103.
- Guide_number sameAs Leitzoi.
- Guide_number sameAs Směrné_číslo.
- Guide_number sameAs Ledetal.
- Guide_number sameAs Leitzahl.
- Guide_number sameAs Número_guía.
- Guide_number sameAs عدد_راهنمای_فلاش.
- Guide_number sameAs Ohjeluku.
- Guide_number sameAs Numero_guida.
- Guide_number sameAs ガイドナンバー_(カメラ).
- Guide_number sameAs Richtgetal.
- Guide_number sameAs Ledetall.
- Guide_number sameAs Liczba_przewodnia.
- Guide_number sameAs Número_guia.
- Guide_number sameAs m.05s1pz.
- Guide_number sameAs Ведущее_число_фотовспышки.
- Guide_number sameAs Ledtal.
- Guide_number sameAs Q260103.
- Guide_number sameAs 闪光指数.
- Guide_number wasDerivedFrom Guide_number?oldid=647576781.
- Guide_number isPrimaryTopicOf Guide_number.