BSI BS 2738:1985

Withdrawn Revision
Specification for tolerances on optical properties of mounted spectacle lenses

Best Price Guarantee Jan 31, 1985 English 1 Pages

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A newer publication replaces it: BSI BS 2738-1


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BSI BS 2738:1985

Specification for tolerances on optical properties of mounted spectacle lenses

PUBLISH DATE 1985
BSI BS 2738:1985

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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