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Overview EN ISO 12312-2:2015 (ISO 12312-2:2015) is the CEN-endorsed international standard that specifies requirements and test methods for afocal (plano power) filters intended for direct observatio…
Overview ISO 12312-2:2015 - "Eye and face protection - Sunglasses and related eyewear - Part 2: Filters for direct observation of the sun" specifies safety, optical and mechanical requirements for af…