Dedoming zoomie and optics question

[Chicken_Drumstick]

De-doming is good in a zoomy, although I know nothing about the LB leds, can they even be de-domed?

As for the lens thing. In theory yes, although probably not easy to build.

Have a look here:

Bushnell HD square beam technology?

I came across this beam shot from a flashlight called Bushnell HD flashlight [image] it produces a very smooth and sharp square beam. I am curious what optics they use to produce such a distinct beam. I know about aspheric lenses and that they can project the image of the emitter but the result is not the same. The manufacturer say they use Luxeon Rebel LED and a patented optics technology but I wasn’t able to find out what is different about their patented technology. Do they use more than an…