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September 24, 2012 Comments (8) Gear Reviews

Petzl NAO – Full Review

picture of petzl nao headlight

 

 

In early-July, Petzl approached me to test out their newest sport headlamp: the NAO.  After a few months of long night runs, an overnight 50K, Leadville 100, and Wasatch 100, I found that this headlight sets the standard for headlamps.

Here’s a quick rundown on this sophisticated piece of equipment:

1.  Lumens – at a max of 350 lumens, this headlamp can light up an entire canyon.  I know I’ve done it and others have witnessed in awe.  In fact, my training partner has headlamp envy.  The lumens are so powerful that you can easily use only one headlamp when running with a friend or a group if the trail is wide enough.  In testing, it was so bright that other runners had to slow down on single track after we’ve separated because their speed and safety depended on the NAO’s illumination;  other headlamps alone were not good enough to maintain the same pace.

2.  Reactive Illumination – the headlamp uses a light sensor which measures the amount of reflected light.  Using this sensor, it adjusts the amount of light projected.  Not only does it determine the amount of light but also the beam–diffused or spot.  As the headlamp adjusts, it appears to do so on an analog curve although it is a digital step-up/down process.  I found that the only time the reactive lighting falters is when you are behind someone with reflective material on their back.  The headlamp becomes too reactive; either it does not provide enough light or adjusts the light too often based on the amount of light hitting the reflective gear.  The solution?  Easy fix: set the headlamp to a constant burn which is done simply by turning and holding the adjustment switch for 2 seconds.

3.  Battery Life – the headlamp conserves as much energy as possible because of the sensor technology.  Using the 2nd stock setting, which provides less illumination, I was able to use the headlamp for 11 hours during the Wasatch 100.  After unpacking my gear 3 days later,  the NAO’s three bar battery indicator still showed two bars remaining.  I have no doubt it would have lasted 24 hours.  Note that on this lower setting, the NAO still provided as much illumination as any other headlamp on the course.

4.  Comfort – I may be immune to the size or shape of headlamps because none have ever bothered me.  This is true of the NAO as well.  I do like that there are multiple quick adjustment points.  My training partner who wears her hair in a high ponytail pointed out that the center-strap might get in the way.  Another easy fix: remove the top strap.  It’s optional.

[#5 Continued below]

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5.  Durability – I am not gentle with my equipment because I always consider it “under review.”  The NAO has been stuffed into bags and packs, dropped and manhandled.  I have generally not been considerate of its well-being.  It has come through like a champ without any failures.  I had previously reviewed the Rayovac Indestructible Headlamp which has not faired as well as the  NAO.  Although, at $12 the Rayovac is still a great buy.

6.  Charging – This headlamp charges via USB connection.  So not only does it last an incredibly long time, but charging can be done from any energy source that supports a USB adapter.  The NAO also supports 2 standard AAA batteries as a backup when charging is not available.

7.  Programability – while the stock settings are all I have tested, the headlamp allows for a very broad range of programability.  You can modify the stock settings as well as create your own profiles via their user-friendly software.

8.  Cost – $175 retail.  A great deal when you consider that this headlamp could prevent an unexpected trip to the emergency room.

In summary, the NAO is a winner.  Its long battery life, ease of use, durability, power and innovation put it at the top of its class.

Final Note:  Per FTC rules.  Petzl provided this headlamp for testing and has not asked that it be returned.

 

8 Responses to Petzl NAO – Full Review

  1. Andrea says:

    Thanks for the review – total NAO envy!
    I’m going to ask for one for Christmas.

  2. Craig says:

    I’ve witnessed the NAO’s power firsthand. It’s pretty incredible and I’m jealous.

  3. […] a slightly more up-market note, I was particularly impressed with the review of the Petzl NAO from trail and ultra running web site. This possibly takes night-time running to a whole new level. […]

  4. steve speirs says:

    Thanks for the review. Just curious – which was the 2nd stock setting you used in the Wasatch 100? Was it the Trail Running profile? Did you use it on Constant mode or Reactive?

    –Steve

  5. Cameron Porter says:

    Used this headlamp for a 3 hr night leg in the mountains. Unreal light only issue was fog from breathing kept dimming the light in reactive mode. Was kind of annoying but still had more than enough light. 3 hrs on high and still two bars of battery life. And having the battery on the remote cable in the pack made this light super light on the head.

  6. […] It features two LEDs, one diffused and the other directed, both providing a lot of light. Reviewers say it’s bright enough to light up a canyon and give everyone else lighting envy. The head straps […]

  7. Jake says:

    Hi! Thanks for the effort put into this review. And the effort of testing for this effort of writing 🙂 I currently own the myo rxp a d am thinking of going with the nao. Worth the upgrade? Noticable difference? The lack of sos in high mountains is a deterrent though.

    Cheers!

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