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BS 2738-2:1989

$142.49

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

Published By Publication Date Number of Pages
BSI 1989 12
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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.

BS 2738-2:1989
$142.49