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Sony A57 and the Tamron 17-50mm f/2.8 XR Di II LD Lens and the Sigma 50mm f/ 1.4 EX DG HSM Lens!! – SonyAlphaLab
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TAMRON 5-50MM F/1.4 1/3" High Resolution Aspherical Vari-Focal CCTV Lens : Camera Lens Filters : Electronics - Amazon.com
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6 key points of the 50-400mm F4.5-6.3 (Model A067) starting from 50mm 'standard' focal length | Impression | Special Contents | TAMRON Photo Site for photgraphic lenses
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