BS EN ISO 9342-1:2023

Optics and optical instruments. Test lenses for calibration of focimeters. Reference lenses for focimeters used for measuring spectacle lenses.

NORMA vydaná dňa 19.7.2023

The information about the standard:

Designation standards: BS EN ISO 9342-1:2023
Publication date standards: 19.7.2023
The number of pages: 26
Approximate weight : 78 g (0.17 lbs)
Country: British technical standard
Kategória: Technické normy BS