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Post by Jazzman on Jun 16, 2013 9:09:13 GMT -5
So i recently picked up a pair of USGI ESS Profiles, they are in great shape, but when I used them for the first time they fogged up after about 15 minutes of play. I was not wearing any kind of mask, and was wondering how I could get these to not fog up. I was thinking about drilling small holes around the edges of the lenses to get more ventilation.
If you guys have any ideas, I would love your help!
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Gabriel
New Member
The face of a man who has seen the Ancient Ones is forever twisted by the memory.
Posts: 455 
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Post by Gabriel on Jun 16, 2013 10:41:37 GMT -5
Did you tear out the foam that lines the goggles? That will allow them to ventilate, which should remove pretty much all fogging problems. As for drilling small holes, that's what Smith Optics do with their Boogie series, so I don't see why not, but I would check with a more experienced person who may have seen something like that before you try it.
Edit: Drilling holes apparently is bad.
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Post by Tank on Jun 16, 2013 10:47:10 GMT -5
Usually when drilling holes in the goggles is brought up, eventually someone will bring up the fact that when the goggles got their ANSI rating, there were no holes drilled in them. Drilling holes may potentially invalidate that ANSI rating.
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Post by Jazzman on Jun 16, 2013 11:03:04 GMT -5
Alright, thanks for that heads up Tank. As for taking out the foam lining, I will try that.
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Post by Foxhound on Jun 16, 2013 11:55:46 GMT -5
Like Gabriel said, removing the foam will normally remove all of your fogging problems. I still use ESS NVGs and I have a pair of lenses with a few holes drilled in them which does help when you're wearing a helmet because the air tends to get trapped between the top of your goggles and the brim of the helmet. Personally I haven't ran into anyone who has brought up that the holes compromise the lenses, but I'm sure there's someone out there that would.
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Post by Knief on Jun 16, 2013 12:02:05 GMT -5
I would if I noticed them at an event I was hosting. You're weakening the integrity of the lens as designed, and creating a major safety risk. You shouldn't be modufying anything on your lens that coukd affect its structural integrity.
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Post by Zorak on Jun 16, 2013 13:18:06 GMT -5
Drilling holes in a thermal lens also opens up the sealed space between the panes and turns it into a lens that will fog in ways that can't be cleared.
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bobbunny
New Member
No long fishing.
Posts: 779
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Post by bobbunny on Jun 16, 2013 18:03:41 GMT -5
Cat crap works well, and I've been told putting a couple small band-aids on the inside can help as well.
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Post by Jazzman on Jun 16, 2013 22:26:43 GMT -5
Was that really necessary ?
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Post by Tank on Jun 16, 2013 22:35:19 GMT -5
Was that really necessary ? If your referring to cat crap, it's actually the name of an anti fog treatment. |
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Post by Jazzman on Jun 16, 2013 22:36:44 GMT -5
Wow, that's interesting. I feel a bit silly now. Thanks for clearing that up. :/ lul
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Post by Tank on Jun 16, 2013 22:55:14 GMT -5
Wow, that's interesting. I feel a bit silly now. Thanks for clearing that up. :/ lul That's ok, I think I had a similar reaction when my cousin brought up that stuff about 8 years ago, when we were paint paintball. |
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