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Sigma 50-500mm f4-6.3 APO EX DG lens for 4/3rds Digital SLR cameras: Amazon.co.uk: Electronics & Photo
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Sigma 50-500 mm F4-6.3 APO DG HSM Optical Stabilised lens for Nikon Full Frame and Digital APS-C SLR Cameras
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Bought a Bigma (Sigma 50-500mm) for 4/3. Now I need an adaptor to go from 4/3 to M4/3 so I can use it on my OM-D bodies. Anyone have a MMF-3 or
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