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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BS 2738-2:1989
Original price was: $264.16.$132.00Current price is: $132.00.
Spectacle lenses-Specification for tolerances on optical properties of uncut finished lenses
BSI Group , 02/28/1989
Pages: 12
