After showing off my Copper D4v2 e17a 1850k "pocket candle" to him, he was sold immediately. He tends to dive into different hobbies head-first, so him buying two right off the bat is no surprise. Looks like he snapped one of his o-rings out of excitement. :DDD Sorry, no beamshots yet!
I'm just glad I could share the love of flashlights with someone who can appreciate it as much as I do. Big thanks to all you guys for being such a cool community!
Just to add to the other great response, the “D2” pictured above is configured with one ultraviolet emitter and one “deep” red emitter which is not an easy combination to find. And there is a wide range of emitters to choose from based on preference.