BS 2738-2:1989

Spectacle lenses-Specification for tolerances on optical properties of uncut finished lenses

BSI Group , 02/28/1989

Publisher: BS

File Format: PDF

$132.00$264.16

Description

Standard By:BSI Group , 02/28/1989

Published:02/28/1989

Pages:12

ISBN(s):0580169413

File Size:1 file

Language:English

Note:This product is unavailable in Ukraine, Russia, Belarus

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

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