BS 2738-1:1989 - Spectacle lenses. Specification for tolerances on optical properties of mounted spectacle lenses
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BS 2738-1:1989

Spectacle lenses. Specification for tolerances on optical properties of mounted spectacle lenses

Status : Revised, Withdrawn   Published : February 1989 Replaced By : BS 2738-1:1998

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




Standard NumberBS 2738-1:1989
TitleSpectacle lenses. Specification for tolerances on optical properties of mounted spectacle lenses
StatusRevised, Withdrawn
Publication Date28 February 1989
Withdrawn Date15 November 1998
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Replaced ByBS 2738-1:1998
ReplacesBS 2738:1985
Draft Superseded By87/53296 DC
DescriptorsOphthalmic equipment, Spectacles (eyeglasses), Spectacle lenses, Ophthalmology, Lenses, Focal length, Tolerances (measurement), Marking, Defects, Fitting, Angular tolerances, Tolerances of position, Dimensional tolerances, Visual inspection (testing), Test equipment, Marks
ICS11.040.70
Title in FrenchVerres de lunettes. Tolérances des propriétés optiques des verres de lunettes montés. Spécifications
Title in GermanBrillenglaeser. Toleranzen fuer die optischen Eigenschaften von ungefassten Brillenglaesern
CommitteeCH/172
ISBN0 580 16937 5
PublisherBSI
FormatA4
DeliveryNo
Pages12
File Size394.8 KB
Price£186.00


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