Virtually all compact cameras use sensors with a 4:3 aspect ratio (giving a picture shape similar to a standard television). The LX2 has a sensor that is roughly the same height as a standard 7 megapixel CCD, but is considerably wider, giving the option of 16:9 shooting (16:9 is the shape of a widescreen television), and increasing the total number of pixels to just over 10 million..



Link: DP Review