NEN EN ISO 8980-4 : 2006
Current
The latest, up-to-date edition.
OPHTHALMIC OPTICS - UNCUT FINISHED SPECTACLE LENSES - PART 4: SPECIFICATIONS AND TEST METHODS FOR ANTI-REFLECTIVE COATINGS
12-01-2013
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
4.1 General requirements
4.2 Luminous and mean reflectances
4.3 Usable diameter of coated area
5 Testing
5.1 General
5.2 Method of determination of reflectance
5.3 Determination of spectral reflectance values
5.4 Determination of luminous reflectance
5.5 Determination of mean reflectance
6 Information to be made available on request
7 Reference to this part of ISO 8980
Annex A (informative) Significance of pv and pm in the
description of anti-reflective coated
lenses
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