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Another safety question....glasses for 405nm?

leemp5

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Hi guys,

Sorry I understand you get a lot of these newbie questions relating to safety glassed however I cant seem to find a direct answer using the search or google.

I have just ordered a 405nm 800-1000mw laser pointer and im looking for some help with regards to safety glasses.

I understand that only a small potion of the light is visible to my eyes making the spot appear duller than it actually is, however the light that is not visible can still cause damage.

Will safety glasses for the correct wavelength allow me to look at the spot without damaging my eyes or are they simply a precaution in case the beam accidental shines directly in my eyes?

Also im finding it pretty hard to find a decent pair of 405nm safety glasses here in the UK, can anybody recommend a retailer?

Many Thanks
 



blueasthesky

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I understand that only a small potion of the light is visible to my eyes making the spot appear duller than it actually is, however the light that is not visible can still cause damage.

There is no invisible light with 405nm as it's a diode based laser :)

-Alex
 

leemp5

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oh...lol...you can tell im new lol

So can I look at the spot with a naked eye with no damage done to my eyes?
 

Pi R Squared

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Yes that is the main purpose, the dot of a class 4 laser is too bright to look at up close or when burning anything. The glasses can also protect you from a direct hit but some of the cheaper ones won't. You can always view the beam without glasses, just don't view the dot from too close and be sure there's no chance of an accident. 405nm is more dangerous because it's not very visible so it's looks are deceiving.

OdicForce
Is in the UK.

You should add your location to your profile so it shows under your name, more people will answer your questions, especially if you ask where to buy something.

You can also buy from Survival Laser International Home
But they ship from the US.

Alan

Edit:
oh...lol...you can tell im new lol

So can I look at the spot with a naked eye with no damage done to my eyes?

No you can't! At a far enough distance you can, but with a 405nm it's not easy to tell if it's too bright to look at.
 
Last edited:

BowtieGuy

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No do not look at the dot without safety glasses, at least not up close.

Here is a link to some quality , reasonably priced safety glasses. Survival laser's international store.
Be sure and get a pair that cover the 405nm wavelength.

Edit- You beat me to Pi. :)
 
Last edited:

leemp5

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Thanks guys all clarified.

Location added to name :yh:

I was looking at the eagle pair from survival laser as I have read good things about them but I didnt really want to order from the US. As it turns out Odic Force have them, thanks for the link.

Regards
 




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