Canon IXUS 850 IS is a compact digital camera. This model belongs to Canon IXUS and Canon PowerShot that combines a CCD sensor with 7.1 megapixels and a Digic III processor allowing to enhance the result and image quality. This model allows accurate image stabilization thanks to TTL AIAF technology so as to detect the face, the user can then highlight the topics. The device has a 3.8x optical zoom and an optical stabilizer. In addition, it offers 640 x480 video resolution with 60 frames per second and manages high-capacity media: SD, MMC.