Optics
Technical drawing
Dimensional tolerances
Optical measurement
Acceptance (approval)
Visual inspection (testing)
Optical instruments
Defects
Surface defects
Graphic representation
Drawings
Testing conditions
Grades (quality)
Engineering drawings
Link: PD ISO/TR 21477:2017 Optics and photonics. Preparation of drawings for optical elements and systems. Surface imperfection specification and measurement systems
Source: BSI Standards
