Sigma Corporation is a Japanese manufacturer of optical equipment, set up in 1961 by Michihiro Yamaki. All the products that Sigma designs are '100% made in Japan' in the product facility in Aizu, Japan: from mould to screw.
Sigma has not only produced more than half a century of interchangeable lenses for cameras, but has also shown pioneering innovation in the area of accessories and digital cameras.
Thanks to efficiency and ambition to supply the best possible quality, these products are well-known for the very good price-quality ratio.
