Here is one of my aspheric mods with a flawless 3 inch aspherical lens and a perfectly dedomed xm-l2 U2 on copper star. LED focus can be adjusted by turning the head. Driver is 8x7135 and works with 1x18650. 310,000lux at 1m. $150 shipped domestic.
next to crelant 66mm aspheric
beam shot next to crelant (left) 66mm collimator head