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Amazon.com : Sigma 180mm F2.8 EX APO DG HSM OS Macro for Nikon SLR Cameras : Camera Lenses : Electronics
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Sigma 180mm f/2.8 EX DG OS HSM Macro Announced | Canon Rumors - Your best source for Canon rumors, leaks and gossip
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Amazon.com : Sigma 180mm F2.8 EX APO DG HSM OS Macro for Nikon SLR Cameras : Camera Lenses : Electronics
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