In reply to maxsmith:
Yes, I know about the 6 second lock thing, promoted as a "feature". What they actually mean is "this torch is completely useless without the lock, due to our gross, over-engineered, f*k-up, so we will pretend we are doing you a favour by retrofitting this annoying but essential delay to what should be a simple device". The angle fixing is too rigid as well, so if you try to adjust it, the chances are that it will :
1) point at the sky
2) point at your feet
3) plunge you into darkness, because as you try to adjust the angle, you hit the absurdly sensitive on/off switch
As for the "tap technology", that is just a joke, albeit not a very funny one at 4 in the morning on a cold Alpine slope, when your sense of humour is limited at best.
I have several BD headtorches from the days when they were simple and had chunky switches that never went on or off except when wanted, so have no inherent hatred of Black Diamond. But this is just fussy for the sake of fussy, ignoring the basic rules of headtorches :
1) work every time
2) give reasonably adequate light, for the length of time that you are in the dark, with a good safety margin left over
3) if you can be bright and work for a long time, then great, but never, ever compromise 1 and 2 above
Petzl seem to have a much better idea with a chunky on/off switch that requires a 2 second press to go on or off, also that starts at low brightness and has to be switched to strong when you need it.
BD are not the only culprits in over-design of headtorches of course, when you see descriptions of "how to download the software for your headtorch", you know that engineering masturbation has gone into overdrive, shortly to be followed by meltdown.
Post edited at 13:03