Sigma 17-50mm f/2.8 EX DC OS HSM Lens for Nikon F 583306 B&H
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Sigma 17-50mm f/2.8 EX DC OS HSM Lens for Nikon F (583306) Bundle 94148315669 | eBay
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Sigma 17-50mm f/2.8 EX DC OS HSM FLD Large Aperture Standard Zoom Lens for Nikon Digital DSLR Camera - International Version (No Warranty) : Electronics - Amazon.com
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Sigma 17-50mm f/2.8 EX DC OS HSM Lens for Nikon F 583306 B&H
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SIGMA 17-50mm F2.8 EX DC OS HSM Zoom Lens for Nikon F Mount 85126583552 | eBay