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Old 22-10-2011, 09:42 AM
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acropolite (Phil)
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Join Date: Feb 2005
Location: Launceston Tasmania
Posts: 8,989
Paul, what Humayan said about genuine Canon has relevance as well. Quality control on the other brands can be spotty, it's not unheard of to get a bad copy of an otherwise well regarded lens from both Tamron and Sigma. My preference is to buy genuine Canon, I've had just 2 Sigma Lenses, the first (17-70) was excellent, but after a period it's AF developed front focus issues and the second (the latest 12-24 Zoom) can only be described as anysmal (very poor sharpness).
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