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ISO 14490-2:2005

Optics and optical instruments - Test methods for telescopic systems - Part 2: Test methods for binocular systems

ISO 14490-2:2005 is applicable to binocular telescopic systems and specifies the test methods for determination of the following characteristics:

  • non-parallelism of the axes of bundles of rays emergent from the eyepieces;
  • interpupillary distance;
  • relative difference in magnification;
  • focusing difference between telescopes of binocular systems.


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International Organization for Standardization [ISO]


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