Juhani claims: October 26, 2015 at 3:28 am The trouble is you should get every one of the light to 1cm x 1cm location. I have 100W led (8k lm) but I get much more light to monitor from one 1k lm Cree XM-L2. 2nd issue will be the slender wavelength sample of any led. The color wheel in DLP projector dimms the light much more.This meant that there wa