NA 027
DIN Standards Committee Optics and Precision Mechanics
DIN EN ISO 21987 [CURRENT] references following documents:
| Document number | Edition | Title |
|---|---|---|
| ISO 8980-4 | 2006-08 | Ophthalmic optics - Uncut finished spectacle lenses - Part 4: Specifications and test methods for anti-reflective coatings More |
| ISO 8980-5 | 2005-08 | Ophthalmic optics - Uncut finished spectacle lenses - Part 5: Minimum requirements for spectacle lens surfaces claimed to be abrasion-resistant More |
| ISO/TR 28980 | 2007-01 | Ophthalmic optics - Spectacle lenses - Parameters affecting lens power measurement More |
