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prEN ISO 7944

Optics and optical instruments - Reference wavelengths (ISO/DIS 7944:2023)

General information
Draft
Base Documents
prEN ISO 7944; ISO/DIS 7944:2023
Directives or regulations
None

Standard history

Status
Date
Type
Name
01.01.2000
Main
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.
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Standard monitoring