We had a feeling that a new segment of cameras was being introduced back at Photokina, and it sure looks as if Sigma's in for the ride. Following Fujifilm's fixed-zoom Finepix X100 and Olympus' Zuiko-equipped compact prototype, Sigma is introducing a high-end compact of its own in the DP2x. This handheld shooter has a gargantuan sensor within -- in fact, the 14 megapixel Foveon X3 is similar to those found in the company's (entirely more massive)
