Finally it happened - I find this section of the forum)) I really like Alpha and the way it keeps its brightness at a high level for a long time without stepdown, like most other lanterns have it. But the time of work on 1 * 16340 did not suit me, so it was decided to make an extension tube for work with 1*16650. I had the opportunity to anodize, but bare aluminum looks better (silver and black) than two shades of black. High / low switch works fine. Perhaps the same effect can be obtained by using a flood lens in Bravo. I'll have to try sometime.