BS-EN-ISO-21987 › Historical Revision Information
Ophthalmic optics. Mounted spectacle lenses
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Ophthalmic optics. Mounted spectacle lenses
Keywords
Fitting;Dimensional tolerances;Angular tolerances;Prisms (optical);Focal length;Optics;Bevelled;Circular shape;Optical measurement;Optical phenomena;Spectacle lenses;Ophthalmology;Visual inspection (testing);Tolerances of position;Lenses;Tolerances (measurement);Marking;Spectacles (eyeglasses);Ophthalmic equipment;Surface treatment
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Document Number
BS EN ISO 21987:2009
Revision Level
2009 EDITION
Status
Superseded
Publication Date
Dec. 31, 2009
Replaces
BS 2738-1:1998
Replaced By
BS EN ISO 21987:2017
Page Count
26
ISBN
9780580634987
International Equivalent
EN ISO 21987:2009;ISO 21987:2009
Committee Number
CH/172/3