Optics and optical instruments -- Preparation of drawings for optical elements and systems -- Part 7: Surface imperfection tolerances
Specifies the presentation of design and functional requirements for optical elements and systems in technical drawings used for manufacturing and inspection. Specifies the indication of the level of acceptability of surface imperfections (scratches, pits, coating blemishes etc.) within the effective aperture of the optical surfaces of individual optical elements.
A standard is reviewed every 5 years
Revisions / Corrigenda