Ophthalmic optics - Uncut finished spectacle lenses - Part 3: Transmittance specifications and test methods
Format
Availability
Price and currency
English Hardcopy
In stock
93.33 USD
FREE Shipping
Number of Standard:
CSN EN ISO 8980-3
Category:
195105
Pages:
48
Released:
01.01.2023
Catalog number:
516032
DESCRIPTION
CSN EN ISO 8980-3
CSN EN ISO 8980-3 This document specifies requirements for the transmittance properties of uncut and unmounted finished spectacle lenses, including attenuation of solar radiation. This document is not applicable to - spectacle lenses having specific transmittance or absorption characteristics prescribed for medical reasons, - products to which specific personal protective equipment transmittance standards apply, and - products intended for direct observation of the sun, such as for solar-eclipse viewing. NOTE 1 - By reference to ISO 21987 and ISO 14889, this document also applies to lenses mounted in spectacles. NOTE 2 - Optical and geometric requirements are given for uncut finished spectacle lenses in ISO 8980-1 and ISO 8980-2, and for mounted lenses, in ISO 21987. Original English text of CSN EN Standard. The price of the Standard included all amendments and correcturs.