Old 06-16-2009, 12:02 PM #1
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Default Looking for 2 IR filters

I was wondering if anyone could sell me 2 IR blocking filters at reasonable cost... to be used for power measurement on greens. Ideally it would be 2 identical filters, but as long as they green attentuanation is comparable that's file.

They dont need no be AR coated for green or anything, as i have the second filter to measure how much green is lost anyway.


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Old 06-16-2009, 10:04 PM #2
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I'f I had any more, I'd help ya out, but I only have one left. Sorry, rob
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Old 06-16-2009, 10:11 PM #3
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Benm: Let me check how many I have left when I get home tonight. If no one else has come up with any for you by tomorrow, I should be able help you out.
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Old 06-16-2009, 11:14 PM #4
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Optotronics sells them for $1 each...
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Old 06-16-2009, 11:26 PM #5
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Yes, they do, but they are not top quality.
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Old 06-17-2009, 07:54 AM #6
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Here you go!

Infra-red Filter - Optics - Novalasers Inc.
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Old 06-17-2009, 11:54 AM #7
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Hmm.. $1, $10, its a difference But the problem is i need them in europe, and while these things can easily be sent in an envelope, shipping usually runs pretty expensive too.

Also, they don't need to be top quality, its not for permanent installation, just for power checks on greens... doesnt matter if they lose 5 or 10% of the green, as long as i have two so i can calculate/measure to compensate.
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Old 06-17-2009, 03:39 PM #8
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I have two left. They are BG-38 absorption glass (see transmission graph here) and are uncoated. Dimensions are 1.5mm x 20mm round, so they won't fit pointers. I'll take $7.50US each plus shipping.. PM me if you're interested. (They cost me $15 each, so that's why I can't give them away. Otherwise I would just send them off to you.)
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