Originally Posted By: clearwater
Remind me not to be checked for pupil reactivity by Hikermor and his 500 lumen headlamp. :^].


Actually, one might tone it down a bit. The beauty of a really good headlamp these days is the great range of variability in light levels (and run time) in really dependable instruments.

I promise not to use 500 lumens on you unless we desperately need the information you hold....
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Geezer in Chief