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ČSN EN ISO 8980-3 (195105)
Ophthalmic optics - Uncut finished spectacle lenses - Part 3: Transmittance specifications and test methods
Translate name
STANDARD published on 1.1.2023
The information about the standard:
Designation standards: ČSN EN ISO 8980-3
Classification mark: 195105
Catalog number: 516032
Publication date standards: 1.1.2023
SKU: NS-1098013
The number of pages: 48
Approximate weight : 144 g (0.32 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
The category - similar standards:
Annotation of standard text ČSN EN ISO 8980-3 (195105):
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
Preview of the standard ČSN EN ISO 8980-3 (195105)
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