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#11
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![]() Reefmaster,
10% loss is due to particulate matter in the water and diffraction loss at the interface between water and air. The 1/distance relation is already taken account with the light meter (the measurements were done in air). Steve, Looks really good. I don't know how accurate your light meter is...but it seems that you can generate more light as you overdrive (lumens/watt or lux/watt). But...it sort of makes sense.... Have fun with your new lights [img]images/smiles/icon_smile.gif[/img] Hmm...maybe I should get one of those meters. - Victor. |