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Thread: Where do I put the IR Filter?

  1. #1
    Join Date
    Aug 2006
    Location
    North West England
    Posts
    1,148

    Default Where do I put the IR Filter?

    I have got an IR filter for my CNI blue.
    The extension on the front of the laser has a focusing lens in it, should I put the IR filter between the laser and focus lens, or between the lens and the aperture?

    Jim

  2. #2
    Join Date
    Jan 2006
    Location
    Charleston, SC
    Posts
    2,147,488,804

    Default

    Last in the chain before the beam exits the head. (After the focusing lens)

    Adam

  3. #3
    Join Date
    Aug 2006
    Location
    North West England
    Posts
    1,148

    Default

    Cheers Adam,
    I ended up looking at another one of my lasers and noticed it after the focus lens.

    Jim

  4. #4
    Join Date
    Jan 2007
    Posts
    248

    Default

    forward choise!

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