Lens Angle-Does anybody understand this term - Canreef Aquatics Bulletin Board

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Lens Angle-Does anybody understand this term

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05-06-2011, 02:17 PM

fencer

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Join Date: Aug 2007

Location: Ed Ab

Posts: 1,331

Lens Angle-Does anybody understand this term

Hi
I was looking at optic lenses for a cree type LED. Can anybody tell me what this means

Lens Angle: 4-90 Degree

Does this mean this lens have a 43 degree (=90-4/2) dispersion off the center axis?

Thanks

Last edited by fencer; 05-06-2011 at 02:24 PM.

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