4. Optics: measuring and testing
  5. By polarized light examination
  6. With birefringent element

Daniil T. Puryaev

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Interferometer for checking the shape of convex surfaces of opti

Optics: measuring and testing – By polarized light examination – With birefringent element
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Keratometer

Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
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