formatt hitech

  1. Sarah Allyn Photo

    ND Filter - Pink Line?

    I just recently purchased a Formatt Hitech 95mm Firecrest solid ND filter (2.7/9-stop) for my D810 and have been coming up with a pink line in my photos (happens regardless of shooting into the sun/light or not). Any ideas as to what my problem is? I'm using it with my 15mm Irix full frame...
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