Recently picked up a Black Diamond Cosmo headlamp through a massdrop (unimpressed with MD... prices are ho-hum at best) and was pretty exceited as the specs were reasonable, the weight was low AND it was rated IPX8... Well it arrived and it does appear to be a very nice lamp. Good fit and finish, attractive, bright and an interesting yet versitile UI. I just don't understand how it can be IPX8 rated, though. The battery compartment is completely unsealed. In fact, there is even a gap around the entire edge. I don't see any ridge or slot to house a gasket so unless this is a complete forgery (doubt it, packaging looked legit) then I doubt its a defect. Any thoughts? I did send an email to Black Diamond with pics and will be interested to see their reply as well.
And just to confirm, I did the cup of water test. It failed instantly. I watched the air bubble out as it filled up. I watched the water stream out as it drained when removed.
And just to confirm, I did the cup of water test. It failed instantly. I watched the air bubble out as it filled up. I watched the water stream out as it drained when removed.
![fb07b045a638c43e11555df948f01677.jpg](https://uploads.tapatalk-cdn.com/20190309/fb07b045a638c43e11555df948f01677.jpg)
![7d9cb0c3f38e7fdee004d8c213e42835.jpg](https://uploads.tapatalk-cdn.com/20190309/7d9cb0c3f38e7fdee004d8c213e42835.jpg)
![a980d01d832b0f04823ec1fb6a46652a.jpg](https://uploads.tapatalk-cdn.com/20190309/a980d01d832b0f04823ec1fb6a46652a.jpg)
![e348e775ab09f230e4da527e4dcc1625.jpg](https://uploads.tapatalk-cdn.com/20190309/e348e775ab09f230e4da527e4dcc1625.jpg)
![a06eb44d9ac77cfe4f878a554d423dd6.jpg](https://uploads.tapatalk-cdn.com/20190309/a06eb44d9ac77cfe4f878a554d423dd6.jpg)
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