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Olympus Zuiko Digital 50-200mm f/2.8-3.5 ED SWD AF Lens for Four Thirds System (requires mount adapter for use on MFT){67} at KEH Camera
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Olympus Zuiko Digital ED 50 200mm f/2.8 3.5 SWD 35mm Zoom user reviews : 4.9 out of 5 - 9 reviews - photographyreview.com
A new comparison, Olympus 100-400 F5-F6.3 versus 50-200 swd + 2X: Micro Four Thirds Talk Forum: Digital Photography Review
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