Fluorescent OK Geode 4
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Thread: Fluorescent OK Geode 4

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  1. #1
    us
    Jan 2019
    Oklahoma
    16
    31 times
    All Types Of Treasure Hunting

    Fluorescent OK Geode 4

    I wasn't lying when I said I had thousands of these...
    I am curious on this one, which is under a Long wave lamp. This may be a dumb question, but is this actually fluorescent, or is it simply reflecting the color of the bulb? It doesn't really do much under Short wave.
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    IAMZIM likes this.

  2. #2

    Jul 2018
    Wisconsin
    330
    456 times
    All Types Of Treasure Hunting
    does your uv light have a bandpass filter?

  3. #3
    us
    Jan 2019
    Oklahoma
    16
    31 times
    All Types Of Treasure Hunting
    A what? I have no clue what that is...

  4. #4

    Jul 2018
    Wisconsin
    330
    456 times
    All Types Of Treasure Hunting
    I'm sorry, a bandpass filter eliminates a good deal of the visible light from the UV source but allows all of the UV wavelengths through equaling less reflected visible light (blue) back. My Light has one installed (convoy s2) so I wasn't sure if you were using the same.
    stdenis_jd likes this.

  5. #5
    us
    Jan 2019
    Oklahoma
    16
    31 times
    All Types Of Treasure Hunting
    Just got one of those convoy lights and installed the filter. To answer my own question above, that rock is mostly reflecting the purple bulb of my cheap 22 yr old blacklight. LOVE this little convoy flashlight though!
    fuss likes this.

 

 

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