
Spectacle lenses. Specification for tolerances on optical properties of uncut finished lenses
出版:British Standards Institution

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基本信息
標準編號: BS 2738-2:1989
發布時間:1989/2/28 0:00:00
標準類別:Standard
出版單位:British Standards Institution
標準頁數:12
標準簡介
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.
標準備注
? British Standards Institution 2013
Replaced by notes:
Replaced by BS 2738:Part 6:1996 and BS 2738:Part 7:1996.