Canon has announced the new Powershot SD850 IS (IXUS 950 IS) which replaces the SD700 IS (IXUS 800 IS). Confused yet? This new model features an eight megapixel 1/2.5" (5.8 x 4.3 mm) CCD sensor mated to a four times optical zoom lens in a compact metal body. In addition the SD850 also features optical Image Stabilization (hence the IS suffix), a 2.5" "PureColor" LCD monitor and face detection for optimizing AF, exposure and flash (up to nine faces). Face Detection can also be used in playback mode for red-eye removal. The SD850 also has a 1 frame per second 'spy camera mode' (well, time lapse).

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