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EFL
(redirected from Effective focal length)

   Also found in: Medical, Encyclopedia, Wikipedia, Hutchinson 0.03 sec.
AcronymDefinition
EFLEnglish as a Foreign Language
EFLEuropean Football League (rugby)
EFLEastern Federal Lands
EFLEffective Focal Length
EFLExternal Financing Limit (UK)
EFLEnvironments for Living
EFLEmitter-Follower Logic
EFLEnglish Football League
EFLEdited for Length
EFLEmergency Flare Launcher
EFLEureka Forbes Limited
EFLEntry Flight Level
EFLEstablished Financial Limit
EFLElectrical Flying Lead
EFLElectronic Foot Locker
EFLExtended Free List
EFLEnvironmental Fund for Lebanon Project


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? References in periodicals archive
That makes an effective focal length of 840mm - `the same effect as using binoculars," Davies says.
The system is fully motorised with microprocessor control, and the lens offers parfocal selection of five effective focal lengths, four selectable filters and a four-line backlit display of focal length, filter position, focus range and operating status.
5-mm2 with a diagonal dimension of 28-mm, resulting in an effective focal length multiplier of 1.
 
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