Subject:
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Re: detecting goal objects at a distance
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Newsgroups:
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lugnet.robotics
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Date:
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Sat, 1 Jan 2000 22:52:38 GMT
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Viewed:
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1532 times
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Ben Jackson wrote:
> IR Photography, of course. Lookup Kodak HIE, for example. The filters you are
> looking for are Wratten #87 and 87C. If you look at them they appear to be
> black because they pass no visible light. I believe the difference between the
> two is exactly which IR wavelengths they pass, but I don't remember the
> technical details. I'm sure they're on the Kodak website.
>
> --Ben
OK, thanks for the info. That's interesting. I'll look for it.
Uwe
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Message is in Reply To:
 | | Re: detecting goal objects at a distance
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| (...) IR Photography, of course. Lookup Kodak HIE, for example. The filters you are looking for are Wratten #87 and 87C. If you look at them they appear to be black because they pass no visible light. I believe the difference between the two is (...) (25 years ago, 1-Jan-00, to lugnet.robotics)
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