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Old 06-14-2010, 08:16 PM #1
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Question 50mW laserpointer safety questions

Hey, some days ago I've bought a 50mW green laser..
Can it cause eye injurie after ~5 seconds reflected from a glass/mirror/something like that?
If it can: Is it a lasting injurie, or not?

Please tell me as many details as it possible! thx.


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Old 06-14-2010, 08:24 PM #2
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Default Re: 50mW laserpointer safety questions

It can damage your eyes FOREVER faster than you can even blink... Do not ever shine it at anybody ever.
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Old 06-14-2010, 11:22 PM #3
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Default Re: 50mW laserpointer safety questions

Quote:
Originally Posted by krispet View Post
Hey, some days ago I've bought a 50mW green laser..
Can it cause eye injurie after ~5 seconds reflected from a glass/mirror/something like that?
If it can: Is it a lasting injurie, or not?

Please tell me as many details as it possible! thx.
Are you referring to an actual exposure you or a friend has recently experienced? If yes then please provide full details. Without a complete description of what happened it is not possible to answer your question.

If you are just asking hypothetically, then the answer is that a close range 5 second exposure to a direct mirror reflection of a 50 mw beam would undoubtedly pose a risk of permanent damage to the retina.
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The best:
270 mw Milos custom built focusable with exceptionally low divergence and pinpoint spot
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Old 07-12-2010, 04:01 PM #4
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Default Re: 50mW laserpointer safety questions

If you use lasers of Class 3B or higher appropriate goggles should be worn.


I recommend multiple wavelength goggles, especially for green lasers, since they protect against invisible IR emissions as well as the green laser light
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Old 07-12-2010, 07:10 PM #5
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Default Re: 50mW laserpointer safety questions

Yes, of course! My goodness why even ask!
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