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Old 11-03-2016, 01:00 AM #1
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Default Red laser eye safety

I ordered a 5Mw 650Nm red laser and a 5Mw 635Nm red laser. From what I gather this is safe for the eyes if I don't point it directly at my eye. Is it safe to look at the beam when it it pointed at something else?

Also on the off chance that the factory screwed up and made it 6Mw, would clear polycarbonate safety glasses protect the eyes?


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Old 11-03-2016, 01:10 AM #2
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Default Re: Red laser eye safety

Quote:
Originally Posted by redlaser111 View Post
I ordered a 5Mw 650Nm red laser and a 5Mw 635Nm red laser. From what I gather this is safe for the eyes if I don't point it directly at my eye. Is it safe to look at the beam when it it pointed at something else?

Also on the off chance that the factory screwed up and made it 6Mw, would clear polycarbonate safety glasses protect the eyes?
Clear glasses will not reduce a laser beam intensity enough to be safe for your eyes. Some safety glasses are made to refleCT and some are made to absorb... but clear ones transmit and allow it to pass.

No laser is safe for your eyes, I will tell you I often use low power pointers to view the beam but I am very safe and monitor where I'm pointing it with a controlled environment indoors. I make sure the risk is minimal and no reflective surfaces are in my area.

Use your glasses when it's necessary and be safe to terminate your beam into flat black item when viewing it.

Cheap ebay glasses do work for 5mw and 6mw if needed, but no you will not see the beam and very little of the dot. Majority of cheap 5mw pointers are over spec so watch out for that.
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Old 11-03-2016, 01:23 AM #3
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Default Re: Red laser eye safety

Quote:
Originally Posted by 94Z28 View Post
Clear glasses will not reduce a laser beam intensity enough to be safe for your eyes. Some safety glasses are made to refleCT and some are made to absorb... but clear ones transmit and allow it to pass.

No laser is safe for your eyes, I will tell you I often use low power pointers to view the beam but I am very safe and monitor where I'm pointing it with a controlled environment indoors. I make sure the risk is minimal and no reflective surfaces are in my area.

Use your glasses when it's necessary and be safe to terminate your beam into flat black item when viewing it.

Cheap ebay glasses do work for 5mw and 6mw if needed, but no you will not see the beam and very little of the dot. Majority of cheap 5mw pointers are over spec so watch out for that.
What color glasses should I buy to protect my eyes? Most of the glasses I saw were not for protecting from red.

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Old 11-03-2016, 01:40 AM #4
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Default Re: Red laser eye safety

Quote:
Originally Posted by redlaser111 View Post
I ordered a 5Mw 650Nm red laser and a 5Mw 635Nm red laser. From what I gather this is safe for the eyes if I don't point it directly at my eye. Is it safe to look at the beam when it it pointed at something else?

Also on the off chance that the factory screwed up and made it 6Mw, would clear polycarbonate safety glasses protect the eyes?
I wouldn't worry about getting safety glasses for such low powered lasers. Just don't let the beam hit you right in the eye and you'll be fine. Even if the factory messed up and put out something with 10+mw you'll be fine unless you get hit right in the eye.
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Sanwu Spiker Series 3W 445nm
2W O-like 450nm(2.2W average/2.25W peak) and Ebay 450nm THOR M II laser(1600mw average/1700 mw peak)
1.4W Jetlasers PL-E Pro 462nm(average 1490mw)
5.05W 465nm build by AlienLaser and 3.5W 465nm Jetlasers PL-E pro.
50mw 515nm challenger(85mw average) and 5-30mw penlaser
1W 520nm Sanwu Spiker series with beam expander
800mw 532nm Jetlasers PL-E Pro (850mw average, 988 mw peak) and 450mw laserglow Hercules with X10DR beam expander
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561nm project box build(8-9mw average 10 mw peak)
589nm Dragon Lasers Spartan 50(51mw average/70mw peak)
593.5nm 2-5mw CNI penlaser(2-3mw average)
638nm Sanwu Spiker series(860mw average) and 500mw O-like 638nm pointer
639nm Sanwu Silver Series Tribeam(1700mw average/1800mwpeak)
1W 650nm Jetlasers PL-E Pro(1038mw average 1087mw peak)
671nm 100mw Red DPSS labby from LillyElectronics
685nm box pointer with laserlands 15mw module.

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Old 11-03-2016, 02:45 AM #5
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Default Re: Red laser eye safety

Quote:
Originally Posted by Razako View Post
I wouldn't worry about getting safety glasses for such low powered lasers. Just don't let the beam hit you right in the eye and you'll be fine. Even if the factory messed up and put out something with 10+mw you'll be fine unless you get hit right in the eye.
I am going to be using it on my ankle (cold laser knock off) so it will be pointing at me sometimes. I also have polarized sun glasses and wielding glasses, would those work better or else what glasses should I buy?
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Old 11-03-2016, 02:50 AM #6
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Default Re: Red laser eye safety

Quote:
Originally Posted by redlaser111 View Post
I am going to be using it on my ankle (cold laser knock off) so it will be pointing at me sometimes. I also have polarized sun glasses and wielding glasses, would those work better or else what glasses should I buy?
Try these, choose green or blue color:
Eye Safety Glasses for Red Blue Green Laser UV Light Protection Goggles w/ Case | eBay

A word of warning, they will only block about 95% of red light ***AT BEST***. This means they are entirely safe for under 20mW, but SHOULD NOT be used for anything >100mW.
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Old 11-03-2016, 05:33 AM #7
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Default Re: Red laser eye safety

" Is it safe to look at the beam when it it pointed at something else?"

I'm afraid you won't see much in the way of beamage from a 5mw red laser without some fog or smoke in the air. The human eye just isn't very sensitive to red light. Our eyes are much more sensitive to green light. A 5mw green laser has a beam that's clearly visible in the dark but 5mw of red......not so much.
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Old 11-04-2016, 12:30 AM #8
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Default Re: Red laser eye safety

Quote:
Originally Posted by Sta View Post
Try these, choose green or blue color:
Eye Safety Glasses for Red Blue Green Laser UV Light Protection Goggles w/ Case | eBay

A word of warning, they will only block about 95% of red light ***AT BEST***. This means they are entirely safe for under 20mW, but SHOULD NOT be used for anything >100mW.
That says to buy the red pair but another site says to block red lasers you need green lenses, which is it?
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Old 11-04-2016, 01:14 AM #9
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Default Re: Red laser eye safety

To block red lasers you usually want blue lenses.
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Sanwu Spiker Series 3W 445nm
2W O-like 450nm(2.2W average/2.25W peak) and Ebay 450nm THOR M II laser(1600mw average/1700 mw peak)
1.4W Jetlasers PL-E Pro 462nm(average 1490mw)
5.05W 465nm build by AlienLaser and 3.5W 465nm Jetlasers PL-E pro.
50mw 515nm challenger(85mw average) and 5-30mw penlaser
1W 520nm Sanwu Spiker series with beam expander
800mw 532nm Jetlasers PL-E Pro (850mw average, 988 mw peak) and 450mw laserglow Hercules with X10DR beam expander
8mw
561nm project box build(8-9mw average 10 mw peak)
589nm Dragon Lasers Spartan 50(51mw average/70mw peak)
593.5nm 2-5mw CNI penlaser(2-3mw average)
638nm Sanwu Spiker series(860mw average) and 500mw O-like 638nm pointer
639nm Sanwu Silver Series Tribeam(1700mw average/1800mwpeak)
1W 650nm Jetlasers PL-E Pro(1038mw average 1087mw peak)
671nm 100mw Red DPSS labby from LillyElectronics
685nm box pointer with laserlands 15mw module.

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Old 11-04-2016, 01:54 AM #10
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Default Re: Red laser eye safety

Quote:
Originally Posted by Razako View Post
To block red lasers you usually want blue lenses.
I had the orange pair for another thing and they seemed pretty cheap, my wielding glasses seem much more heavy duty, would they protect better??
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Old 11-05-2016, 01:17 AM #11
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Default Re: Red laser eye safety

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Originally Posted by redlaser111 View Post
I had the orange pair for another thing and they seemed pretty cheap, my wielding glasses seem much more heavy duty, would they protect better??
bump.... any idea?
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Old 11-07-2016, 10:59 PM #12
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Default Re: Red laser eye safety

My laser came today and after putting in the batteries I pointed it at my hardwood floor and turned it on for a second just to make sure it worked, it seemed very bright and burned a imprint in my eye for a few seconds. Is this normal for a 5Mw laser or is this vastly overpowered?

This is the laser I bought http://www.ebay.com/itm/161804848944...%3AMEBIDX%3AIT

Last edited by redlaser111; 11-07-2016 at 11:00 PM.
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Old 11-08-2016, 10:36 PM #13
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Default Re: Red laser eye safety

Can anyone help??
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Old 11-08-2016, 10:41 PM #14
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Default Re: Red laser eye safety

If it's uncomfortably bright (I.e. enough to leave spots or flash blind) it's most likely >5mW - unless you were getting a reflection off the floor. I'd probably go with it being >5mW though. Be careful.
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