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ArcticMyst Security by Avery

Cheap Safety Glasses - TESTED

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@LD - Did you test them out in any way, or just going off of appearances?

How the dot and beam look through the glasses, and how it looks on the wall when shining it through the glasses. When shining it through the glasses onto the wall, there is no dot from my ~1W 445nm.
 





vk2fro

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Gonna order a couple of pairs of these this week to keep around for when I have friends over to play lasers with :)
 
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Nice review tsteele! Your results match my perceptions with my pair too. "You must spread some Reputation around before giving it to tsteele93 again." :( boo

So, these goggles work well for my 120mW+ 532nm laser. I see a very faint dot on the wall that isn't the slightest bit bright at all. The product is also made very well, frame is adjustable but very sturdy, even a cushion at the end for your ear--not bad. But here are my 2 cents on the safety of the product:

Here are the Specs:
2aaf1wh.png

Visual Light Transmission: 45%
UV Absorption: >99%
Blue Light Absorption: >98%

Theoretically, they should be fine for low/mid powered greens up to 540nm and high powered blues and violets. BUT I highly recommend you test it for your laser wavelength before you use it because inside the box says:

2ltmqd.jpg


Blocking >98% of blue light means <2% goes through. Theoretically, that means if you shoot a 1W or 2W blue laser through the goggles you'll receive a maximum of 20mW or 40mW dosage of blue light. Not sure if will be dispersed or not, but it might not be a risk you're willing to take.

So USE AT YOUR OWN RISK!
 
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^^^There is also the question of consistency, and how long the goggles will stand up to a laser before critical damage.

:horse:
 

LaZeRz

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Hmm, they block narrow band IR as well. Could be quite usefull for messing around with B&W Tek 473 heads.
 
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vk2fro

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According to the chart above they dont - they pass 808 and 1064nm light.
 

LaZeRz

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Woops. Really need some sleep :eek:

Didn't read the graph properly .
 
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Seems like a lot of people bash these glasses because they are cheap, but I would definitely put my trust in them before some non-brand from China. I'm sure they aren't as good as $80 goggles, but they seem fine to me.

When I use these with my ~1.6w 445nm, all I can see is a very faint spot. I would guess 98% is a conservative figure on their part, I think they are blocking a lot more than that.
 

Hiemal

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Hey guys, I got a pair of these today. (thanks tsteele!)

I took some pictures to show how much light appears to come through these...

I used 4 different lasers in this testing. A (cheap) 5 mW red, a 200 mW violet, a 1-1.2 watt blue, and a 50 mW greenie. The first picture is the color of the laser, followed by the laser behind the goggles.

Green Test:
http://i.imgur.com/agehz.jpg http://i.imgur.com/uErjm.jpg

Violet Test:
http://i.imgur.com/mwFIJ.jpg http://i.imgur.com/tlqud.jpg

Blue Test:
http://i.imgur.com/RA1is.jpg http://i.imgur.com/Je2wF.jpg

Red Test:
http://i.imgur.com/575zO.jpg http://i.imgur.com/1bQEU.jpg


As you can see, the blue one was blocked the most; which, is probably the most important one blocked due to the sheer amount of power output... Violet was next after that, and then green.

Red wasn't blocked at all, and appeared to be the same amount of brightness with and without goggles.

Also noted something a little funny; when wearing the goggles and looking at my computer screen, the color used for "445nm" is blocked out and appears to be pure black... the color for 405 nm looks almost brownish. Green and red appear unchanged.
 
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^^^^ I got a pair too (when I get my LPM someday I'll test them) I also noticed the effect on the computer screen. Some shades of purple came out as green!!

-Thanks for the great find!!

Mike
 
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Try wearing them outside during the daytime... The blue sky turns dark greyish, but most other colors aren't really affected.

On another note...
I just ordered a set of Uvex SCT-blue glasses of the same style as these. According to their chart, they should block almost all 650-660nm and slightly less 638nm. Once I get my red laser back up, I'll post some pics to see if they work as well as the SCT-orange version.
 
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Try wearing them outside during the daytime... The blue sky turns dark greyish, but most other colors aren't really affected.

On another note...
I just ordered a set of Uvex SCT-blue glasses of the same style as these. According to their chart, they should block almost all 650-660nm and slightly less 638nm. Once I get my red laser back up, I'll post some pics to see if they work as well as the SCT-orange version.

Good find, I hadn't noticed the SCT-Blue. It isn't ideal, but since most reds are running around 300mW or less, these offer a high visible light transmittance and cut the red to about 20%-25%.

I have some DARK BLUE T-Rex glasses that are much higher OD, but they nearly black out the room. These would be nice for <250mW reds for me personally.
 
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Good find, I hadn't noticed the SCT-Blue. It isn't ideal, but since most reds are running around 300mW or less, these offer a high visible light transmittance and cut the red to about 20%-25%.

I have some DARK BLUE T-Rex glasses that are much higher OD, but they nearly black out the room. These would be nice for <250mW reds for me personally.

My thoughts exactly. It looks like they will be very effective for the higher wavelength reds (blocking more than 95%), but they still transmit 57% of visible light. I don't think I would use them for high power 638nm lasers, but I don't have any of those at this point.

I'm trying to find a chart that I can upload, but the only one I see is on PDF...
 
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Almost decided on buying a pair of these... (well, an over-glasses version, but they should be the same quality).

Main point holding me back is that post showing the back of the box explicitly stating that the goggles aren't to be used with lasers...


For context, I have a 1.8W 445nm from yob, a pair of rayfoss goggles in my possession, and a pair from the OEM GB coming when that ships. These would be for observers other than myself. As I think has been mentioned already in this thread, I wouldn't use these myself all the time, but they seem like they'd work against diffuse scatter from a few feet away, as my friends won't ever be operating the laser themselves.
 




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