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Black Diamond Cosmo LED Headlamp Review

Posted in Gear Reviews, Lighting, Outdoor Gear by Eric Miller - 08.26.2010

I already own a couple Black Diamond headlamps and have had a good experience with all. I had high expectations when I got the new Black Diamond Cosmo LED Headlamp. After the first night of using it I knew I wasn’t going to be letdown. After a couple months of use it continues to perform well.

Black Diamond Cosmo LED Headlamp Features

  • Bulb type: LED
  • Bulb detail: DoublePower LED/2 LEDs
  • Weight with batteries: 3.2 ounces
  • Light output: High: 55 / low: 4 lumens
  • Maximum beam distance: High: 40 / low: 15 meters
  • Brightness levels: 2 with dimming
  • Beam type: Flood / Spot
  • Battery life at 70 degrees: High: 50 / low: 250 hours
  • Batteries: 3 AAA
  • Price: $29.95

Black Diamond Cosmo LED Headlamp Review

The Black Diamond Cosmo LED Headlamp is packed with features that made me smile. Right off the bat is my favorite feature, the dimmer. The headlamps in the past that I’ve used had maybe 3 light settings. Bright, medium, and low. The Cosmo takes it to the next level. Instead of being locked into three, just push the button and hold it down and the light dims…just like the dimmer switch at your house. It’s simple, others may use it, but the Cosmo is my experience with it and I love it! Oh wait, the light is too low now? Push the button and hold it down and the light comes back up.

The Cosmo does feature three lighting modes: 1. High output beam/spot, 2. Flood lighting with twin LEDs, and 3. Strobe. Just click the button to cycle through each. The spot beam is bright and gives good distance. Not a problem for hiking or running at night. I even threw it on one night to test ride my bike after performing some maintenance and it was bright enough to ride with.

The proximity or flood lighting is perfect for walking around, doing camp chores, and reading. I didn’t experience any light flickering like other headlamps can do with their proximity LEDs. Once again the dimmer switch is awesome to adjust to just the right amount of light, conserving battery power.

The strobe is a strobe. Not much to say. It is bright. It can even work as a backup blinkie on your bike with a zip tie (I had to do it the other night after my blinkie broke, it’s not too stable though but it got the job done).

The headband is comfortable and not too bulky. The light mount features a tilt and just clicks into place. This is a nice feature but I did find it was a little loose. It’s easy to bounce it out of no-tilt into the first tilt position. This isn’t too big of a deal because it’s rare that I don’t use the tilt. Once it’s tilted it is fairly stable but if things get too bumpy it could bounce around.

The Good

  • Bright
  • It has a dimmer!
  • Price

The Bad

  • Tilt is a little loose
  • Not rechargeable

Bottom Line:

Black Diamond continues to impress with the Cosmo LED Headlamp.

Buy Now: Pick up the Black Diamond Cosmo LED Headlamp today.



2 Responses to 'Black Diamond Cosmo LED Headlamp Review'

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  1. Adam Buchanan

    Good to know. Its time to upgrade. I’ve been eying the Icon forever and am currently using the Remix by Princeton.

  2. Eric Miller

    Depends on what you want to use it for and what your preferences are. I have the Icon and I love it, it is by far my favorite headlamp. It is bigger with the separate battery pack but I don’t mind that. Some people do. If you aren’t looking for a compact headlamp I’d say go for the Icon. If you want one that’s small and light go for the Cosmo.

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