Canon's popular A Series cameras have always stood out from the competition, but PowerShot A640 takes that concept to a whole new level. Experience breathtaking 10.0 megapixel resolution-a first for an A-Series camera - and the power of a 4x optical zoom lens. You'll have more fun shooting, and make your finished images even more rewarding, with the camera's exciting array of easy-to-use, high-performance features including 21 shooting modes and ISO800/High ISO Auto settings for much greater ability to shoot in low light.