Thank you for visiting the Sigma web site.

The following information provides instructions for contacting Sigma's Service Department in the United States, a printable Product Literature Request form to order brochures for Sigma Lenses, the SA series cameras and electronic flash units, how to send us E-mail and a complete list of Sigma Distributors outside the United States.

Sigma Service Department - United States Customers Only

For Sigma customers in the US, please address all written correspondence to

Sigma Corporation of America
15 Fleetwood Court
Ronkonkoma, NY 11779

To request assistance by phone in the US, our technicians are available from 9AM to 5PM Eastern Standard Time, Monday through Friday. Call: (631) 585-1144

Customer Service Department call toll free (800) 896-6858.

You can also fax us 24 hours a day.
Fax: (631) 585-1895, (631) 585-7661