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NEN-EN-ISO 9342

Optics and optical instruments - Test lenses for calibration of focimeters

inactive, Most Current
Organization: NEN
Publication Date: 1 August 1998
Status: inactive
Page Count: 14
ICS Code (Ophthalmic equipment): 11.040.70
scope:

Specifies requirements for test lenses for the calibration of focimeters.

Document History

NEN-EN-ISO 9342
August 1, 1998
Optics and optical instruments - Test lenses for calibration of focimeters
Specifies requirements for test lenses for the calibration of focimeters.

References

This document is replaced by:
NEN-EN-ISO 9342-1 - Optics and optical instruments - Test lenses for calibration of focimeters - Part 1: Reference lenses for focimeters used for measuring spectacle lenses
Published by NEN on August 1, 2023
This document specifies requirements for reference lenses for the calibration and verification of focimeters that are used for the measurement of spectacle form lenses, e.g. those complying with ISO...
This document is replaced by:
NEN-EN-ISO 9342-2 - Optics and optical instruments - Test lenses for calibration of focimeters - Part 2: Test lenses for focimeters used for measuring contact lenses
Published by NEN on December 1, 2005
This part of ISO 9342 specifies requirements for test lenses for focimeters that are used to measure contact lenses. These test lenses are used to find the precise correction values that are needed...
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