Abstract

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This document applies to rigid endoscopes designed for use in the practice of medicine. Endoscopes having a fibre-optic or opto-electronic imaging system are excluded. It specifies a test method for determining the optical resolution of endoscopes.

This document provides a measurement method for characterizing three aspects of the optical resolution of a rigid endoscope. Characteristic A is used to provide a simple measurement of the limiting resolution of the endoscope image. Characteristic B provides a measurement of low spatial frequency resolution and characterizes the sharpness, or contrast, of the endoscope image. Characteristic C provides a measurement of the spatial frequency response of the endoscope image.


General information 

  • Status
     : Published
    Publication date
     : 2020-11
  • Edition
     : 2
    Number of pages
     : 19
  • Technical Committee
     : ISO/TC 172/SC 5 Microscopes and endoscopes
  • ICS
     :
    37.020 Optical equipment
    11.040.55 Diagnostic equipment

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