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Title: Useful zoom lens
Review: Here is a zoom lens that produces good photos, but not as good as I get with my Canon 28-105 mm lens. I am overall satisfied with it and USM is a definite plus. However, do not expect astonishingly clear pictures from this lens! And you really have to use a tripod to get the most out of it. I do not carry this lens out most of the time in the camera bag because it is rather heavy. Buy it only if you need the zoom. I have experienced no mechanical or optical problems with this lens and therefore quite satisfied.
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