Sigma first unveiled their new series of lenses series at Photokina in Cologne, Germany last September. This new collection includes five new lenses to their three Global Vision product lines: Art, Sports and Contemporary. As a sports photographer, I was really intrigued by the announcement of their highly anticipated 70-200mm f/2.8 zoom lens. I made sure to stop by their booth at PhotoPlus Expo to get more information about this new high-performance telephoto lens. [...]
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