Overall, the Canon EF-S 17-85mm f/4-5.6 IS USM lens doesn’t really live up to its promises. The zoom range is excellent but in all other respects there are better alternatives in the Canon stable.
Pros
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Solid feel and 5x zoom range
Cons
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Barrel distortion, wide-aperture resolution
sample images
Score
Score in detail
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Design 80
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Image Quality 75
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Performance 80
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Value 80
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Features 85