Sigma 18-200 OS

Started Apr 7, 2008 | Discussions thread
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Patricia47
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Sigma 18-200 OS
Apr 7, 2008

Are there any reliable sites that review Sigma lenses? I have been looking around for a lens that would be good for all-around use. I need telephoto but I am going on a boat ride up in Johnstone Strait this August to hopefully see whales. I need telephoto for the wildlife but I am sure I will also want to take photos of the scenery as well. I don't want to be needing to change lenses on this boat. I really wanted the Canon 70-300 IS USM but the Sigma 18-200 OS sounds more versatile. I am just not sure of it's performance and image quality.

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