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Old 12-16-2016, 08:18 PM #1
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Default Will these safety glasses work?

Was looking at a pair of safety glasses for 445 nm, will these work as a true blue blocker?


https://www.amazon.com/gp/aw/d/B003O...3JL&ref=plSrch


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Old 12-16-2016, 08:25 PM #2
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Default Re: Will these safety glasses work?

They aren't laser safety glasses so best answer is, maybe.

Invest the $40 or so in a pair of proper laser safety glasses from Survival Lasers.
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Old 12-16-2016, 08:36 PM #3
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Default Re: Will these safety glasses work?

^Completely worth the money.
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Old 12-16-2016, 08:53 PM #4
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Default Re: Will these safety glasses work?

Its a really strange experience when I wear them outside during the day.
Eagle PairŪ 190-540nm & 800-1700nm OD5 Laser Safety Goggles
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Old 12-16-2016, 08:53 PM #5
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Default Re: Will these safety glasses work?

Quote:
Originally Posted by TrumpestDonale View Post
Was looking at a pair of safety glasses for 445 nm, will these work as a true blue blocker?


https://www.amazon.com/gp/aw/d/B003O...3JL&ref=plSrch
These Uvex glasses have been brought up more than a few time here and yet iv"e never seen them described as laser glasses. Not saying they aren't effective but still, its as someone just came across their orange tint and they seem to work. No mention of WL or anything laser related just bugs me.
If your stuck on Amazon look up HDE's red lens laser glasses for blue and green lasers for about $2 more. Just bought my 2nd pair and they are very decent and have been reviewed well here. The cheap pair that you see that come in those China laser kits have copied their look but it ends there. True HDE's are marked.
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Last edited by GSS; 12-16-2016 at 08:56 PM.
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Old 12-16-2016, 09:57 PM #6
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Default Re: Will these safety glasses work?

Look at this thread.
Cheap Safety Goggles Destructive Test: Uvex S0360X Ultra-spec 2000
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Old 12-16-2016, 09:59 PM #7
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Default Re: Will these safety glasses work?

Quote:
Originally Posted by GSS View Post
These Uvex glasses have been brought up more than a few time here and yet iv"e never seen them described as laser glasses. Not saying they aren't effective but still, its as someone just came across their orange tint and they seem to work. No mention of WL or anything laser related just bugs me.
If your stuck on Amazon look up HDE's red lens laser glasses for blue and green lasers for about $2 more. Just bought my 2nd pair and they are very decent and have been reviewed well here. The cheap pair that you see that come in those China laser kits have copied their look but it ends there. True HDE's are marked.
Thanks for the reply! Do I specifically need the red pair or do any of the four colors work for blue lasers?
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Old 12-16-2016, 10:43 PM #8
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Default Re: Will these safety glasses work?

Quote:
Originally Posted by Antharak View Post
So should I buy those uvex ones that have been tested or the HDE ones that are actually labeled as laser safety glasses?
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Old 12-16-2016, 11:55 PM #9
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Default Re: Will these safety glasses work?

Your eyes are worth quality laser safety glasses that attenuate the wavelength that you are working with.
Be aware that some glasses may be listed as protecting at level OD+5 and list the protection range as 395nm - 595nm However the OD+5 level of protection may be at the center of that range, in this case something like 495nm and could be only OD+2 at 405nm.
Take time to look at the graph that shows the level of protection across the listed spectrum.

Such as this: http://d11fdyfhxcs9cr.cloudfront.net...Wavelength.pdf

Many here use these : Safety Goggles
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Old 12-17-2016, 01:38 AM #10
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Default Re: Will these safety glasses work?

Quote:
Originally Posted by RedCowboy View Post
Your eyes are worth quality laser safety glasses that attenuate the wavelength that you are working with.
Be aware that some glasses may be listed as protecting at level OD+5 and list the protection range as 395nm - 595nm However the OD+5 level of protection may be at the center of that range, in this case something like 495nm and could be only OD+2 at 405nm.
Take time to look at the graph that shows the level of protection across the listed spectrum.

Such as this: http://d11fdyfhxcs9cr.cloudfront.net...Wavelength.pdf

Many here use these : Safety Goggles
ok I will buy a pair of the eagle glasses, thank you for the links. So a 445nm laser is right between four and five OD, would getting the glasses that are OD+6
and rated 190-540nm be appropriate?

Last edited by TrumpestDonale; 12-17-2016 at 01:39 AM.
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Old 12-17-2016, 01:46 AM #11
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Default Re: Will these safety glasses work?

Quote:
Originally Posted by TrumpestDonale View Post
ok I will buy a pair of the eagle glasses, thank you for the links. So a 445nm laser is right between four and five OD, would getting the glasses that are OD+6
and rated 190-540nm be appropriate?

A 445nm laser isn't between any OD ... The OD you need is determined by the power of the laser. OD+6 is plenty.

The wavelength of the laser determines what wavelength rating you need, so 190-540nm would be fine for your 445nm laser as it's between 190nm and 540nm.
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Old 12-17-2016, 02:16 AM #12
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Default Re: Will these safety glasses work?

Each OD is a factor of 10

1/10 1/100 1/1000 1/10000 1/100000 1/1000000
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Old 12-17-2016, 02:19 AM #13
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Default Re: Will these safety glasses work?

Quote:
Originally Posted by RedCowboy View Post
Each OD is a factor of 10

1/10 1/100 1/1000 1/10000 1/100000 1/1000000

Gotta get that scientific notation...

10^-1, 10^-2, 10^-3...
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Old 12-17-2016, 10:17 AM #14
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Default Re: Will these safety glasses work?

Quote:
Originally Posted by TrumpestDonale View Post
ok I will buy a pair of the eagle glasses, thank you for the links. So a 445nm laser is right between four and five OD, would getting the glasses that are OD+6
and rated 190-540nm be appropriate?
You definitely made a good choice here but its always good to have a backup pair for friends or family. If the budget doesn't allow another Eagle pair then its the "red" lens HDE glasses you want for blue lasers. They are OD+4
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Old 12-19-2016, 01:55 AM #15
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Default Re: Will these safety glasses work?

OD 4 is plenty, as long as your lasers do not exceed 10 watts of power.

For general use OD 3 would even be fine, but would not fully protect you from stupidity with power levels over 1 watt. This stupidity would include directly into the laser, or reflecting the beam straight into your eyes off a mirror.

Reflections from glossy things like glass are usually not over 10% (unless at a really shallow angle) and wound not be very dangerous up to about 10 watts with OD3 eye protection.

As far as eye safety goes you could use OD3 goggles and shine a 10 watt laser out the windows without much risk of the reflection damaging your eyes, though it could potentially set something on fire so beware of that aspect too!
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