BS 2738-1:1989 PDF Download
$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