BS 2738-2:1989废止
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
标准编号： BS 2738-2:1989
发布时间：1989/2/28 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：12
标准简介
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.
标准备注
© British Standards Institution 2013
Replaced by notes:
Replaced by BS 2738:Part 6:1996 and BS 2738:Part 7:1996.
