The Optical Society
2010 Massachusetts Ave, NW
Washington, DC 20036 USA
Tel: +1 202.223.8130
Fax: +1 202.223.1096
Operating hours of the Society are 8:30 a.m. to 5:00 p.m. (US East Coast Time) Monday through Friday.
Our Customer Service office is open from 07:30 to 18:00 (East Coast Time) Monday through Friday.
Tel: +1 202.416.1907 (Worldwide) or 1.800.766.4672 (US/Canada)
Fax: +1 202.416.6140
If you have a question, visit OSA’s Help Center, and view our Frequently Asked Questions