Terminology: Difference between revisions
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;CFL: Compact Flourescent, an efficient alternative to incandescent light bulbs | ;CFL: Compact Flourescent, an efficient alternative to incandescent light bulbs | ||
;corona: | ;corona: the area of transition between a beam's central hotspot and the area of spill. The corona becomes more prominent as the reflector surface is made rougher or more heavily textured, and also as the distance of the light emitting surface from the reflector focal point increases. | ||
;<span id="CPF">CPF</span>: | ;<span id="CPF">CPF</span>: [http://candlepowerforums.com/ CandlePower Forums] A large flashlight discussion board and marketplace. | ||
;Cree: a manufacturer of high-power, high-efficiency LEDs; particularly the XR-E, XP-E, XP-G, and MC-E. See article [[Cree]]. | ;Cree: a manufacturer of high-power, high-efficiency LEDs; particularly the XR-E, XP-E, XP-G, and MC-E. See article [[Cree]]. | ||
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;DD: direct drive. See article [[Driver]]. | ;DD: direct drive. See article [[Driver]]. | ||
;diffuser: 1 | ;diffuser: 1. a method of softening the beam of a flashlight, usually to reduce beam artifacts, via a translucent film or material placed over the lens | ||
:2. a translucent attachment to make a flashlight serve as a camping lantern. | |||
;direct drive: When the batteries power the LED directly without any regulation in the driver, or without a driver at all. See article [[Driver]]. | ;direct drive: When the batteries power the LED directly without any regulation in the driver, or without a driver at all. See article [[Driver]]. | ||