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Compared to... Canon SD 800 IS (IXUS 850 IS)

Let's start with a quick look at how the SD870 compares with the SD800 - a camera that produced surprisingly good results for an ultra compact 'point and shoot' model with an unusually wide zoom range. In this section we've included studio comparisons at ISO 80 and 400 (for the SD800's higher ISO settings check later in the review).

Studio scene comparison (@ ISO 80)  

  • Canon SD870 IS (IXUS 860 IS): Program mode, ISO 80, Default Image Parameters,
    Manual white balance, +0.67 EV compensation

  • Canon SD800 IS (IXUS 850 IS): Program mode, ISO 80, Default Image Parameters,
    Manual white balance, +0.67 EV compensation
     
  • Lighting: Daylight simulation, >98% CRI
Canon SD870 IS (IXUS 860 IS)
Canon SD800 IS (IXUS 850 IS)
ISO 80, 1/50 sec, F4.5
ISO 80, 1/60 sec, F4.5
3,219 KB JPEG
2,634 KB JPEG

Edge and corner sharpness is considerably better than the SD800 we tested (though we had noted its performance as uncharacteristically poor). Whether this means we had a poor SD800 or Canon has tweaked the lens, we cannot know but the difference is clear, particularly in the crops from the corners of the frame. Color is excellent - just the right side of bright and breezy without looking unnatural, and whilst there is a hint of over sharpening there's no denying that for a pocket camera with a 28mm lens the quality is surprisingly good.

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