Canon has unveiled some new digital cameras. The new cameras are all in the compact range and promise to set new standards for capturing images. The new models include the PowerShot SX150 IS, the Elph 510 HS, and the Elph 310 HS. The first of the new trio is the SX150 IS with 12x optical zoom and a 28mm wide-angle lens. The 510 HS also sports 12x optical zoom. Canon claims it is the thinnest camera with 12x optical zoom to date.