Sigma 30mm f/2.8 DN (Art Series): Sony Alpha / NEX E-mount (APS-C) Talk Forum: Digital Photography Review
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Amazon.com : Sigma 30mm F2.8 DN Lens for Sony E-mount Cameras (Black) : Compact System Camera Lenses : Camera & Photo
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Micro 4/3rds Photography: Sigma 30mm f/2.8 EX DN Review: Not fast, not compact, but very good image quality
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