ISO 9211-3:2024

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ISO 9211-3:2024 is an international standard that defines the surface treatments and environmental durability of optical coatings. It also specifies the test and measurement methods for these coatings.

ISO 9211 (series) describes surface treatments of components and substrates excluding ophthalmic optics (spectacles) by the application of optical coatings and gives a standard form for their specification.