A sphere placed over a LED works wonders for a tight beam.
Here is a picture of my EDC with a sphere and a
normal light.
Side by side of lights. Both are Arc AA.
And here are the beam shots.
As one can clearly see, my EDC has a very tight beam.
For some unknown reason, my hip starts to hurt after the first hour after leaving home. /ubbthreads/images/graemlins/confused.gif