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  1. B

    Tamron SP 150-600mm F5-6.3 DI IF VC USD

    I have to agree I too have had the Tammy for a year and felt compelled to try the Sigma C which i did for a week. I think subjectively that the Tamron is sharper but think for subtle reasons I would like to switch to the Sigma. Let me back up a bit and say everything was just dandy with the...
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