BS 2738-1:1989 PDF

$151.00

Spectacle lenses-Specification for tolerances on optical properties of mounted spectacle lenses
standard by BSI Group, 02/28/1989

Document Format: PDF

Description

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.

All current amendments available at time of purchase are included with the purchase of this document.

Product Details

Published:
02/28/1989
ISBN(s):
0580169375
Number of Pages:
12
File Size:
1 file
Product Code(s):
192605, 192605, 192605
Note:
This product is unavailable in Ukraine, Russia, Belarus