Petzl’s New Headlamp Adjusts on Its Own

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Do you ever get tired of fiddling with your headlamp in an attempt to get just the right amount of light? You need more, but not so much that you drain your battery before your adventure is over? Now your headlamp can do that for you. Petzl, the company that invented headlamps, has raised the bar again with its new NAO headlamp.

The NAO has an integrated sensor that analyzes ambient light constantly. A microprocessor takes that information and then decides whether to increase or decrease power to the two high-output LEDs—which adjust from 7 to 355 lumens, in a wide or spot beam. Whether you're reading a map 15-20 inches away or searching for a cairn in the distance, Petzl says the NAO will shine just the right amount of light. If you find you don't agree with the lamp's analysis, you can go online and use Petzl's OS software to tweak your preferences.The company says the lights adjust as quick as you can move your head.

We're looking forward to putting it to the test on trail runs at dusk.

And, iAvailable July 2012, $175,

-Berne Broudy

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