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Overview EN ISO 9342-1:2023 - "Optics and optical instruments - Test lenses for calibration of focimeters - Part 1" defines reference lenses used to calibrate and verify focimeters that measure spect…
Overview EN ISO 9342-2:2005 - Optics and optical instruments - Test lenses for calibration of focimeters - Part 2: Test lenses for focimeters used for measuring contact lenses (ISO 9342-2:2005) speci…
1 Scope 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…
1 Scope This part of ISO 9342 specifies requirements for test lenses for the calibration of focimeters that are used for the measurement of spectacle form lenses. NOTE It is accepted that other test…
Overview ISO 9342-1:2023 - Optics and optical instruments - Test lenses for calibration of focimeters - Part 1: Reference lenses for focimeters used for measuring spectacle lenses - defines the requi…
Overview ISO 9342-2:2005 defines requirements for test lenses used to calibrate focimeters when measuring contact lenses. The standard specifies how test lenses are designed, manufactured and verifie…