Reviews and Problems with Sigma 120-300mm F2.8 EX DG OS APO HSM
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25 January 2011
Summary: I used a few Sigma lenses over the years mainly a 24-70 2:8 for basketball and a 300 2:8 for Football. More than half of the images were trashed because the lens back focused. Instead of locking on to the runner (football) it locked on to the defended (person behind) I have shot for many large news organizations and would rather pay the extra buck for a real pro lens such as Nikon or Cannon.