Std

BS 2738-1:1989

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

standard by BSI Group , 02/28/1989

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About This Item

 

Full Description

Permitted tolerances on prescribed lens power, cylinder axes, optical centration and prismatic power of spectacle lenses ready for wear. Marking requirements are specified and recommendations are given regarding subjective characteristics.

All current amendments available at time of purchase are included with the purchase of this document.
 

Product Details

Published:
02/28/1989
ISBN(s):
0580169375
Number of Pages:
12
File Size:
1 file
Product Code(s):
192605, 192605, 192605
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

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

    • Historical Version

  6. BS 2738:1985


    Specification for tolerances on optical properties of mounted spectacle lenses

    • Historical Version