XP-L vs XM-L2 OTF Tests

[comfychair]

Cree XP-L V6 2C led, tested against XM-L2 T6 3C, edit23/7: I repeated the test and measured a dedomed XP-L

[image] I tested the output of the new XP-L led (XP-L V6 2C tint, from illumn.com) compared to a XM-L2 I had in the spare leds box (XM-L2 T6 3C, from Fasttech). Both were mounted on a 20mm copper Sinkpad, the XP-L on a xp-type and XM-L2 on a xm-type. The introduction to this test is a bit longer than usual, to explain the altered method, up to now I did ceiling bounce light measurements, from now on I will use an integrating sphere. I built the sphere a while ago, and after quite some testing…