May 20, 2005 - 08.45 GMT Sigma is delivering on their February announcement of new lenses for digital SLRs. This time Sigma has released the details and full specifications of the Sigma 50-500mm f/4-6.3 EX DG HSM and the 180mm f/3.5 EX DG HSM lens. The 180mm lens will be available for Canon, Nikon and Sigma SLR cameras, while the 50-500mm lens will be available for Konica Minolta and Pentax too, albeit without HSM...More
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