DIN - German Institute for Standardization

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Hydrogen Technologies Standards form the basic framework for market ramp-up
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Climate change Standards and specifications support climate targets
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Smart Farming Standards and specifications are drivers for the digitalization of agriculture
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Standards [CURRENT]

NF S12-134-1 ; NF EN ISO 9342-1:2023-07-19
Optics and optical instruments - Test lenses for calibration of focimeters - Part 1: reference lenses for focimeters used for measuring spectacle lenses

Title (German)

Optik und optische Instrumente - Prüfgläser zur Kalibrierung von Scheitelbrechwert-Messgeräten - Teil 1: Referenzgläser für Scheitelbrechwert-Messgeräte für die Messung von Brillengläsern

Edition 2023-07-19

Original language French

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Hydrogen Technologies Standards form the basic framework for market ramp-up

Climate change Standards and specifications support climate targets

Smart Farming Standards and specifications are drivers for the digitalization of agriculture

NF S12-134-1 ; NF EN ISO 9342-1:2023-07-19 Optics and optical instruments - Test lenses for calibration of focimeters - Part 1: reference lenses for focimeters used for measuring spectacle lenses

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NF S12-134-1 ; NF EN ISO 9342-1:2023-07-19
Optics and optical instruments - Test lenses for calibration of focimeters - Part 1: reference lenses for focimeters used for measuring spectacle lenses