20.60 17. 4. 2026.
ISO
ISO/TC 172/SC 3
Међународни стандард
This document specifies the measuring method for the refractive index of optical glasses with the accuracy within 1 × 10−5 used in the spectral range from 365 nm to 2 400 nm.
Additional information on how to apply the refractive index in the dispersion and the various dispersion formulae of optical glasses is given in Annex A and Annex B.
ОБЈАВЉЕН
ISO 21395-1:2020
ПРОЈЕКАТ
ISO/WD 21395-1
20.60
Завршетак рада на преднацрту стандарда
17. 4. 2026.