ReefLEDLights
09/15/2011, 09:07 AM
After fielding many questions on which optics we decided to do an actual comparison. The test fixture was our 12"x8.46 Drilled & Tapped Heatsink with 12 Premium XP-G Cool White LEDs. The LEDS were driven at 1050mA.
http://i908.photobucket.com/albums/ac282/ReefLEDLights/OpticsTesting/XP-GTestFixture.jpg
Testing was done at 12" free air with an Apogee PAR Meter
http://i908.photobucket.com/albums/ac282/ReefLEDLights/OpticsTesting/PARTest2.jpg
http://i908.photobucket.com/albums/ac282/ReefLEDLights/OpticsTesting/PARTest3.jpg
Here are the results
http://i908.photobucket.com/albums/ac282/ReefLEDLights/OpticsTesting/XP-GNoOptics.jpg
59 PAR No Optics
http://i908.photobucket.com/albums/ac282/ReefLEDLights/OpticsTesting/NakedXP-G24InchPARTest.jpg
Carclo Frosted Wide Optics
http://i908.photobucket.com/albums/ac282/ReefLEDLights/OpticsTesting/10202FrostedWideTest.jpg
235 PAR
http://i908.photobucket.com/albums/ac282/ReefLEDLights/OpticsTesting/1020224InchPAR.jpg
Carclo Ripple Wide
http://i908.photobucket.com/albums/ac282/ReefLEDLights/OpticsTesting/10211RippleWideTest.jpg
324 PAR
http://i908.photobucket.com/albums/ac282/ReefLEDLights/OpticsTesting/1021124InchPAR.jpg
Bill
http://i908.photobucket.com/albums/ac282/ReefLEDLights/OpticsTesting/XP-GTestFixture.jpg
Testing was done at 12" free air with an Apogee PAR Meter
http://i908.photobucket.com/albums/ac282/ReefLEDLights/OpticsTesting/PARTest2.jpg
http://i908.photobucket.com/albums/ac282/ReefLEDLights/OpticsTesting/PARTest3.jpg
Here are the results
http://i908.photobucket.com/albums/ac282/ReefLEDLights/OpticsTesting/XP-GNoOptics.jpg
59 PAR No Optics
http://i908.photobucket.com/albums/ac282/ReefLEDLights/OpticsTesting/NakedXP-G24InchPARTest.jpg
Carclo Frosted Wide Optics
http://i908.photobucket.com/albums/ac282/ReefLEDLights/OpticsTesting/10202FrostedWideTest.jpg
235 PAR
http://i908.photobucket.com/albums/ac282/ReefLEDLights/OpticsTesting/1020224InchPAR.jpg
Carclo Ripple Wide
http://i908.photobucket.com/albums/ac282/ReefLEDLights/OpticsTesting/10211RippleWideTest.jpg
324 PAR
http://i908.photobucket.com/albums/ac282/ReefLEDLights/OpticsTesting/1021124InchPAR.jpg
Bill