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BS 2738-4:1992 | 15 Sep 1992 | BSI Knowledge
Standard
Withdrawn
BS 2738-4:1992
Spectacle lenses - Specification for single-vision and multifocal semi-finished lens blanks
Published:
15 Sep 1992
•
Withdrawn:
15 Aug 1996
Overview
Preview
References
History
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Product Details
Descriptors
Testing conditions
Optical measurement
Blanks
Focal length measurement
Test equipment
Multiple
Focal length
Dimensional tolerances
Single
Semi-finished products
Spectacle lenses
Ophthalmology
Marking
Spectacles (eyeglasses)
Visual inspection (testing)
Tolerances (measurement)
Ophthalmic equipment
Lenses
ICS Codes
11.040.70 Ophthalmic equipment
Committee
CH/172
International relationships
Identical to:
ISO 10322-1:1991
ISBN
0 580 21171 1
Publisher
BSI