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BS ISO 8600-5:2020

BS ISO 8600-5:2020

$142.49

Optics and photonics. Medical endoscopes and endotherapy devices – Determination of optical resolution of rigid endoscopes with optics

Published By Publication Date Number of Pages
BSI 2020 28
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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.

PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
9 1 Scope
2 Normative references
3 Terms and definitions
12 4 Test method
4.1 General
13 4.2 Apparatus
4.2.5 Resolution target
14 5 Test report
15 Annex A (informative) Measurement procedure for Characteristic A, limiting resolution
16 Annex B (informative) Measurement procedure for Characteristic B, Contrast Transfer Function
17 Annex C (informative) Measurement procedure for Characteristic C, Modulation Transfer Function
18 Annex D (normative) Contrast transfer function (CTF) and modulation transfer function (MTF)
23 Annex E (informative) Conversion of spatial frequencies
25 Annex F (informative) Example of relay optics
26 Annex G (informative) Measurement frequency
27 Bibliography

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BS ISO 8600-5:2020
$142.49