Title: Tremendous disappointment
Review: We've always purchased Canon cameras here at home on the strength of their lenses, easy user interface, and generally good reputation. But in light of my experience with the 850 IS, I'll be reluctant to do so again. My camera worked reasonably well for the first three years of ownership, although I never found the IS feature to work as consistently or as well as promoted in Canon's marketing of the product. But in the past year, my camera has developed the focusing problem others have reported. Whether or not I use the optical zoom, the camera fails to focus in auto or manual mode. As I take most of my shots indoors, this has rendered the shots useless. Meanwhile, my cell phone camera (an iPhone 4) manages to focus and take decent shots in similar settings with no trouble. A camera this expensive and this touted for its features should not last such a short time. Avoid.
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