What wavelength (in nm) do various IR light/filters output?

 
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FJ55Cruiser
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PostPosted: Tue Apr 29, 2008 6:12 pm    Post subject: What wavelength (in nm) do various IR light/filters output? Reply with quote
Hello all. I bought the Streamlight 69118 InfraRed Flip Top Filter for my TLR-2 and my existing NV equipment can barely see the beam. Would be nice to know in future what wavelength, in nanometers (nm), do various IR light/filters output/allow? Some of my IR beacons put out specific wavelengths of 530-550nm, 875nm or 950nm. For interoperability, specific wavelength numbers would be helpful.
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Steven-L



Joined: 01 Jun 2006
Posts: 839
PostPosted: Wed Apr 30, 2008 9:32 am    Post subject: Reply with quote
This information is not provided. If you want to try to wrestle it out of someone you'll have to contact the manufacturers. Good luck.
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Ryan_W
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Joined: 16 Jun 2003
Posts: 331
PostPosted: Wed Apr 30, 2008 2:29 pm    Post subject: Reply with quote
Another thing to remember is that LEDs do not emit much light in the infrared spectrum. IR filters are much more effective with an incandescent bulb than an LED. You will be able to get some use from your TLR anr IR filter, but not as much as with an Insight Technology M6 or M6X.
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Iwan
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PostPosted: Wed Apr 30, 2008 9:22 pm    Post subject: Reply with quote
Very Happy

i know exactly person who capable to answer your questions about IR.
email Mike at stratosphere(at)saber.net.

you will not disapointed.

good luck
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Ryan_W
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Joined: 16 Jun 2003
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PostPosted: Thu May 01, 2008 10:23 am    Post subject: Reply with quote
The above listed email address was edited to prevent computer spamming to the owner's email. Please make sure you ask for permission to post an email address on our forums.
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Iwan
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PostPosted: Thu May 01, 2008 5:38 pm    Post subject: Reply with quote
Very Happy
don't worry, Sir.
already do that, Mike is one of my best friend.

thank you very much
GOD bless you
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fj55cruiser
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PostPosted: Fri May 02, 2008 12:24 pm    Post subject: Thanks for the input Reply with quote
Found out from several places online about the relative incompatibility between LED's and IR filters.

So apparently I now have a $20 TLR-2 lens cap Wink

Not a prob, will just get an IR illuminator.

Thanks again for all the responses.

Regards,


Eric
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