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Title: A Paper Lens
Review: While this lens has an attractive price tag, this lens has serious trouble with sharpness. Only at high shutter speeds (1/250 and above approx.) or with a good flash and middle apertures (f/8 to f/22 approx.) does it deliver sharp images. Horribly slow autofocus. I am already saving to buy and L-series or the IS USM version.
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