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Thread: Filter light wavelength profiles for cokin red, orange, green, yellow-green and blue?

  1. #1

    Join Date
    Jul 2010
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    498

    Filter light wavelength profiles for cokin red, orange, green, yellow-green and blue?

    I am looking for wavelength profiles for various cokin filters. Would anyone have a reference?

  2. #2
    Eric Woodbury
    Join Date
    Dec 2003
    Posts
    1,217

    Re: Filter light wavelength profiles for cokin red, orange, green, yellow-green and b

    If they use the Wratten numbers, those spectrals are standards and available. If they are Cokin 'special', the you'll have to go to Cokin.
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  3. #3

    Join Date
    Sep 1998
    Location
    GA
    Posts
    11,373

    Re: Filter light wavelength profiles for cokin red, orange, green, yellow-green and b

    Quote Originally Posted by Eric Woodbury View Post
    If they use the Wratten numbers, those spectrals are standards and available. If they are Cokin 'special', the you'll have to go to Cokin.
    Same if they are German “international” numbers, same curves as Wratten. If you have any marked in decamired they are also universal.

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