Std

BS 2738:1985

Specification for tolerances on optical properties of mounted spectacle lenses

standard by BSI Group , 01/31/1985

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Full Description

Specifies tolerance requirements for lens power, cylinder axes, base setting and power of prisms, and centration for spectacle lenses ready for wear. Includes tolerances for progressive power lenses. Recommendations for characteristics, related to tolerances which cannot be specified, are given in an appendix.

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Product Details

Published:
01/31/1985
ISBN(s):
0580144038
Product Code(s):
10048293
Note:
This product is unavailable in Ukraine, Russia, Belarus
 

Document History

  1. BS EN ISO 21987:2017


    Ophthalmic optics. Mounted spectacle lenses

    • Most Recent

  2. BS EN ISO 21987:2009


    Ophthalmic optics. Mounted spectacle lenses

    • Historical Version

  3. BS 08/30156013 DC


    BS EN ISO 21987. Ophthalmic optics. Mounted spectacle lenses

    • Historical Version

  4. BS 2738-1:1998


    Spectacle lenses-Specification for tolerances on optical properties of mounted spectacle lenses

    • Historical Version

  5. BS 2738-1:1989


    Spectacle lenses-Specification for tolerances on optical properties of mounted spectacle lenses

    • Historical Version

  6. BS 2738:1985

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    Specification for tolerances on optical properties of mounted spectacle lenses

    • Historical Version