The Sigma DP2 is a high-end compact digital camera introduced by the Sigma Corporation.

The Sigma 70-300mm lens is a consumer-level, telephoto zoom lens made by Sigma Corporation.

Faggin also oversaw the successful acquisition of Foveon by the Japanese Sigma Corporation in November 2008.

In 2002, Foveon introduced a digital single-lens reflex camera in partnership with the Sigma Corporation, a Japanese camera and lens maker.

The Sigma 10mm f/2.8 EX DC fisheye is a photographic lens manufactured by Sigma Corporation.

The Sigma 8mm f/4 EX DG is a photographic lens made by the Sigma Corporation.

He then worked as Senior Economist for the Sigma One Corporation in Ghana between 1998 and 2000.

According to Sigma Corporation, "there has been some controversy in how to specify the number of pixels in Foveon sensors."

The Sigma SD14 is a digital single-lens reflex camera produced by the Sigma Corporation of Japan.

Did Peter ever learn anything more about this Sigma Corporation?