Progress on international optics standards

Robert E. Parks

Significant progress was made at the May 12 to 15 meeting of ISO/TC 172/SCI, Optics and Optical Instruments/Fundamental Standards held in Thun, Switzerland. Optical testing is the concern of Working Group 1 (WG1), which has been concentrating on standards for OTF (or MTF) testing of various types of lenses. In addition to recently published draft proposals on OFT-Definitions and mathematical relationships and OTF-Principles and procedures of measurement, WG1 approved draft proposals for submission to the Secretariat on OTF testing of 35mm camera lenses, office copier lenses, and telescopes.

Access to the full text of this article is restricted. In order to view this article please log in.


Add a Comment

comments powered by Disqus