Both cameras feature 10 megapixels and an enormous 20x wide-angle (28mm) optical zoom, with USM (Ultrasonic Motor) and VCM (Voice Coil Motor) for fast, silent zooming. The PowerShot SX1 is the hero product of the two with its 4 frames per second continuous shooting and full HD movie capture - 1080p at 30fps - instantly ready for playback on any HDTV via the built-in HDMI connection.*
The Canon PowerShot SX10 is a subtler camera with a less exciting spec, but nevertheless at roughly £160 cheaper than its brother, you get a lot of camera for your money. The Canon PowerShot SX10 is aimed at the less serious photographer, offering VGA movie shooting for fun, of-the-moment video. The quality of sound on both cameras is good, and in movie mode you can still utilise the optical zoom and Face Detection Technology features. The SX1 comes with Canon's advanced Tele-Converter for an extra 2x zoom that does not detract from the quality of the video.
Like the Canon PowerShot G10, both the SX1 and the SX10 are run by Canon's DiG!C 4 Processor, giving clean, noise-free images, improved Motion Detection Technology and advanced Face Detection Technology which can recognise when a new face enters the frame and automatically then take the picture - FaceSelf-Timer. The Canon PowerShot SX1 and Canon PowerShot SX10 offer full manual control over aperture and shutter speed and a Multi Control Dial puts access to all key settings at your very fingertips.
*Requires an optional HDMI cable.