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New Sigma patent discloses the 28-70mm f/2.0 specs for full frame mirrorless

Today Asobinet spotted a ton of new Sigma patents. Here are the lenses:

  • 28-70mm f/2.0 for full frame mirrorless sytems
  • 14-30mm f/4.0 for full frame mirrorless sytems
  • 20mm f/1.4 for APS-C mirrorless sytems
  • 23mm f/1.4 for APS-C mirrorless sytems
  • 28mm f/1.4 for APS-C mirrorless sytems
  • 33mm f/1.4 for APS-C mirrorless sytems
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