Just check out the intensity (lumens) and get really bright ones that also have low intensity and of course red.
I haven't sailed the Southern Ocean, but I've done a lot in the Atlantic and Caribbean and I still haven't found a headlamp (including Petzl) that can stand up to the salty goodness that the sea throws in my face all too often. Cheers Colin BOJANGLES IV On Fri, Apr 24, 2015 at 6:43 PM, Josh Muckley via CnC-List < [email protected] [[email protected]] > wrote: Sure would help if i sent the link! http://www.ledlenser.com/redirect/ledlenser_iframe.php?url=http://www.ledlenserusa.com