DIN EN ISO 8980-4 E : 2006
Current
The latest, up-to-date edition.
OPHTHALMIC OPTICS - UNCUT FINISHED SPECTACLE LENSES - PART 4: SPECIFICATIONS AND TEST METHODS FOR ANTI-REFLECTIVE COATINGS
Hardcopy , PDF
English
01-01-2006
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
4.4 Durability
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
5.6 Determination of durability
6 Information to be made available on request
7 Reference to this part of ISO 8980
Annex A (informative) - Significance of [rho]V and
[rho]M in the description of anti-reflective
coated lenses
Annex B (normative) - Environmental sequence
Annex C (normative) - Rubbing sequence procedure
Annex D (normative) - Evaluation conditions
Annex E (informative) - Examples of lenses passing and
failing the visual evaluation
Annex F (informative) - Examples of environmental sequence
Annex G (informative) - Example of a rubbing tool and
components
Bibliography
Annex ZA (informative) - A-deviations
National Annex NA (informative) - Bibliography
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