Cree XR-E 16 degree diffuser

The Cree is on the right driven at 700mA. This is using an L2 Optics lens - with 16 degree diffuser.

For comparison:

Small spot centre low is an Underwater Kinetics Mini Q40 dive light. This is 2.1W xenon rated at 50lm output.

Large spot left is 10W halogen.