GOST R ISO 9342-1-2013 Optics and optical instruments. Test lenses for calibration of focimeters. Part 1. Test lenses for focimeters used for measuring spectacle lenses
ISO 7944:1998 Optics and optical instruments - Reference wavelengths
GOST R ISO 9342-1-2013 history
2013GOST R ISO 9342-1-2013 Optics and optical instruments. Test lenses for calibration of focimeters. Part 1. Test lenses for focimeters used for measuring spectacle lenses