At the heart of the Sigma DP1 Quattro is a brand new APS-C sized Foveon image sensor. The exact size of the image sensor used in the DP1 Quattro camera is 23.5x15.7mm, slightly larger than the DP1 ...
One of the grand annoyances with digital photography—a problem that was much less severe in the days of film photography—is that when it comes to image quality, tiny, portable point-and-shoot cameras ...