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  1. C

    Test for Phase-Corrective Prism Coatings

    Would be great if more people would read Holger Merlitz‘ binocular book (unfortunately still only available in German 😞)
  2. C

    Test for Phase-Corrective Prism Coatings

    Just to be sure that we talk about the right thing here: phase correction coatings are never applied to the lenses, only to the roof prisms. Btw: the test you describe in my experience often leads to inconclusive results. Canip