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ANSI/OEOSC OP1.002-2017
Optics and Electro-Optical Instruments - Optical Elements and Assemblies - Surface Imperfections
This standard establishes uniform practices for stating and interpreting tolerances and for conducting inspections of transmissive and reflective optical elements and cemented components for scratch, dig, edge, coating, and optical cement imperfections. Default specifications for bubbles and inclusions are also included.
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Optics and Electro-Optics Standards Council [oeosc]