"Surface Brightness"

brightnorm · Dec 15, 2007

I've only recently seen the term used in CPF. I CPF/Googled it and checked other sources but I'm still not sure what it means. What "surface" does the term refer to; the emitter/filament/arc itself?

Thanks for any information.

Brightnorm

TigerhawkT3 · Dec 15, 2007

It's pretty much lumens/area. So, that of a Rebel would be higher than that of a LuxV, and so on. It mostly relates to focusability.

2xTrinity · Dec 15, 2007

brightnorm said:
What "surface" does the term refer to; the emitter/filament/arc itself?

Yep -- an ideal "point source" would have infinite surface brightness. High surface brightness is therefore directly related to maximum throw. (in this case, arc lamps are usually the highest, followed by filaments, then LEDs)

brightnorm · Dec 15, 2007

Thanks TH and 2xT

BN

"Surface Brightness"

brightnorm

Flashaholic

TigerhawkT3

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2xTrinity

Flashlight Enthusiast

brightnorm

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