Welcome to the Sigma web site.

SIGMA is the Greek letter equivalent to the English letter "S." In mathematics, it's a sign used to show the total sum.

For photographers everywhere, Sigma is the total sum of the research, development, manufacturing and service of the world's leading line of lenses and cameras.

In other words, what all of us at Sigma work hard to achieve: your total satisfaction as a Sigma customer.

Since 1961 … Perfecting the way photographers work.

After nearly 40 years of pioneering new and better ways to capture and portray the ordinary — and extraordinary — Sigma is still creating new avenues of expression with innovative designs and enhancements in zoom and non-zoom lenses … and single lens reflex cameras.

As one of the first manufacturers to successfully introduce the interchangeable lens, Sigma's well-earned reputation for originality, innovation and leadership is your guarantee of the world's most advanced line of photographic products.

Products you and millions of photographers worldwide turn to when quality, reliability and professional results count most.

It starts right here in our "Intelligent Factory."

At each and every stage of the design, development and testing of our cameras and lenses, everyone — from the design division in Tokyo, to our product development center in Aizu, Japan, to our sales, service and distribution offices worldwide — gets involved … offering ideas, suggestions and assistance.

It's a simple, successful system of cooperation known as "Intelligent Factory," a fully-integrated program that works as well for Sigma as it does for customers like you.

In the Aizu Factory, Sigma maintains a successful open-space system to encourage closer cooperation among all divisions, and thus provide the flexibility it takes to adapt and respond to ever-changing technology.

A world leader in photographic technology.

We also ensure a high, consistent level of quality by processing our own high-performance Special Low Dispersion glass (SLD), metal and resins, surface treatments and other elements right here inside the factory itself.

From design, processing, manufacturing and quality control, Sigma also integrates its sales staff into the mix to guarantee a thorough level of expertise with each and every phase of product research and development.

Sigma coordinates the development, production and sales of its technology worldwide through an impressive network of offices in Japan, the United States, Germany, France, United Kingdom,
the Benelux countries, Hong Kong and Singapore … and distributors in dozens of other countries.