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SRPS EN ISO 7944:2025

Optics and photonics - Reference wavelengths (ISO 7944:2024)

May 30, 2025

General information

60.60     May 30, 2025

ISS

Z172

European Norm

17.180.01     11.040.70  

English  

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Scope

This document specifies reference wavelengths to be used for the characterization of optical materials, optical systems and instruments, and ophthalmic lenses. It defines the associated principal refractive indices and principal dispersions, as well as the Abbe numbers with regard to these reference wavelengths and principal dispersions.

Life cycle

PREVIOUSLY

WITHDRAWN
SRPS EN ISO 7944:2012

NOW

PUBLISHED
SRPS EN ISO 7944:2025
60.60 Standard published
May 30, 2025

Related project

Adopted from EN ISO 7944:2024 IDENTICAL

Adopted from ISO 7944:2024 IDENTICAL