IS 12713 : 1989 Optical Instruments-permissible Cosmetic Defects and Inspection of Optical Components
UDC 681.07.004.64 | PGD 22 |
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Reaffirmed 2019 |
1 Scope
1.1 This standard deals with the cosmetic quality of finishedoptical components, such as lenses, prisms, mirrors, reticles, andwith permissible defects on the surface of the optical element fordifferent locations, and also deals with the methods of testing.
2 Reference
IS 1399 : 1959 Glossary of terms optical technology