I am changing the old XR-E to a Nichia 219A 4500K Hi-CRI LED on my WF-606A.
First time trying to post pictures. Hopefully it works.
!http://s23.postimg.org/rtheu6rff/Ultra_Fire_WF_606_A_3.png !
Well here are some beamshots around 1.5 meters away from the wall
Nichia 219A
XR-E
!http://s28.postimg.org/62hsk91x9/XR_E_2.jpg !
As you can see, the 219A give me a very clean beam profile while the XR-E had rings around the hotspot