Used Sigma APO 200-500mm f/2.8 (400-1000mm f/5.6 with Included 2x Teleconverter) EX DG Autofocus Zoom Lens for the Nikon AF-D Digital Camera 597306
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Amazon.com : Sigma 17-50mm F2.8 DC OS HSM Large Aperture Standard Zoom Lens for Sony Digital DSLR Camera : Camera Lens Accessories : Electronics
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