BS 2738-4(1996) : 1996 AMD 9759
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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SPECTACLE LENSES - SPECIFICATION FOR SINGLE-VISION AND MULTIFOCAL SEMI-FINISHED LENS BLANKS
11-15-1997
11-23-2012
Committees responsible
National foreword
Specification
1 Scope
2 Normative references
3 Definitions
4 Classification
5 Requirements
6 Test methods
7 Identification
8 Reference to this part of ISO 10322
Annex
A (informative) Material and surface quality
Tables
1 Tolerances on the surface power for nominally
spherical surfaces
2 Tolerances on the surface power for nominally
spherical surfaces
3 Tolerances on the addition power
Figures
1 Measurement of the addition power
A.1 Recommended system for visually inspecting a lens
for defects
Details requirements for optical and geometrical properties of semi-finished single-vision and multifocal spectacle lens blanks. Semi-finished progressive power lens blanks requirements are specified in ISO 10322-2. BS AMD 9759/R RENUMBERS STANDARD.
| Committee |
CH/78
|
| DevelopmentNote |
Renumbered and superseded by BS EN ISO 10322-1. Supersedes 93/508650 DC & BS 2738-4(1992). (11/2005)
|
| DocumentType |
Standard
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| ISO 10322-1:2016 | Identical |
| ISO 13666:2012 | Ophthalmic optics Spectacle lenses Vocabulary |
| ISO 7944:1998 | Optics and optical instruments — Reference wavelengths |
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