New Sigma lenses

Sigma annouces two new lenses and a new flash:

  • Sigma 120-300mm f2.8 EX DG OS HSM, a new stabilized version
  • Sigma 150mm f2.8 APO Macro EX DG OS HSM
  • EF-610 DG ST flash with a guide number of 61, focal length 17 to 105mm

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