Old 08-19-2010, 09:05 PM #33
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Default Re: hello I need your advice

ok

Thank you very much for this explanation very clear now I understand

but this is not really necessary to have a filter or better to have one?

Thank you for all your information that I'm pretty boring I always ask a question.

Thank you for everything.


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Old 08-20-2010, 05:54 PM #34
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Default Re: hello I need your advice

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ok

Thank you very much for this explanation very clear now I understand

but this is not really necessary to have a filter or better to have one?

Thank you for all your information that I'm pretty boring I always ask a question.

Thank you for everything.
It's better to have an Infrared filter, so you know that all of the laser light (power) is just Green light. For powers less than 50mW, you don't really need an IR filter. For powers greater than 50mW, you want an IR filter because of the the higher quantity of IR light.
A 100mW Green without IR filter can have as much as 25mW of "invisible laser radiation" that can damage your vision.
Example: Last year, I got one of my first +100mW Green lasers, and it did not have an IR filter. I was using these safety glasses while ignighting matches and burning wood around the house, but the safety glasses only protect against Green, and I noticed that my eyes were actually aching after only a few seconds of looking at the point of "burning".
I then ordered these safety glasses that protect against IR and Green, and my eyes no longer hurt when burning with my non-IR filtered Green lasers.
So, either purchase a laser with an IR filter, or purchase safety glasses with Green and IR protection.
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Old 08-20-2010, 09:38 PM #35
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Default Re: hello I need your advice

ok

but the seller told me that I can add it myself.

or are what I could buy and what are his or mounts on the rayfoss?

Thank you
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Old 08-20-2010, 10:54 PM #36
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Default Re: hello I need your advice

You will need to word that better. I can't understand what you're asking.
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Old 08-20-2010, 11:31 PM #37
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Default Re: hello I need your advice

(French translation provided by Google Translate and corrected using my limited knowledge of French).

You can buy a filter (they are not too difficult to find) and add it yourself - you would need to be careful and use glue though. For most lasers, you do not need to use a filter - a filter improves safety slightly, and prevents the brightness from being over-reported (since a thermal meter will record the combined infrared and green power if there is no filter). With these lasers, the quality is high, so the brightness is high and not much infrared light gets through the crystals - filters are good for cheap lasers where quality is low, and much more infrared is produced, and the green is dim, so eye damage can be done.


On peut acheter un filtre (ils ne sont pas trop difficiles à trouver) et installer le filtre vous-même - vous devez être prudent et utiliser la colle. Pour la plupart des lasers, vous n'avez pas besoin d'utiliser un filtre - un filtre améliore la sécurité un peu, et empêche la luminosité d'être surestimées (car un compteur thermique enregistre la puissance combinée infrarouge et vert si il n'y a pas de filtre). Avec ces lasers, la qualité est élevée, de sorte que la luminosité est élevée et pas beaucoup la lumière infrarouge passe à travers les cristaux - filtres sont bons pour les lasers à bas prix où la qualité est faible, et bien plus encore infrarouge est produite, et le vert est faible, alors on peut dommager les yeux.
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Old 09-11-2010, 10:05 AM #38
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Default Re: hello I need your advice

hello

is even French, I buy good rayfoss 200mW laser FLX and I already worry the blue LED indicator does not work or it flashes from time to time

My question are what I refer the laser is not important?

Thank you
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Old 09-11-2010, 01:35 PM #39
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Default Re: hello I need your advice

help me in my choice
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Old 09-11-2010, 02:18 PM #40
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Default Re: hello I need your advice

Wait did you buy it and the indicator doesn't work?

If the laser is fine but the LED flickers, that's probably just a faulty led and is unimportant.
If the laser flickers and the led flickers too, you're battery's loose and a little tinfoil or a coin will fix that.
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Old 09-11-2010, 02:22 PM #41
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Default Re: hello I need your advice

I got the 50mW FLX from Rayfoss and it works great, it even lights matches.
Maybe the 100mW is enough for your first laser? I mean, 200mW does not double the brightness.
LED indicator works still great, got the laser a few months now.
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Old 09-11-2010, 02:44 PM #42
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Default Re: hello I need your advice

ok donc c'est pas si grave que sa.

connaissez vous un moyen de nettoyer les lentilles des laser .

merci
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Old 09-11-2010, 02:45 PM #43
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Default Re: hello I need your advice

ok so it's not as bad as his.

you know a way to clean the lenses of the laser.

thank you
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Old 09-11-2010, 03:16 PM #44
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Default Re: hello I need your advice

Rubbing alcohol and an eyeglass cloth.
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