Sigma has bought the company that has built the chips for all of its digital compact and DSLR cameras.

Foveon became known for its three layer, X3, image sensor technology, which Sigma has used most recently in its 14-megapixel SD15 DSLR,...

Just as 2 years ago, Sigma announced a new DSLR and a new compact at the biennial Photokina tradeshow, this year's event has seen updates of both models.

The SD14 has now been followed by the SD15, and, on the digital compact front, the DP1...