Sigma 28-70mm f/2.0 Full Frame Lens Patent Found

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

Sigma 28-70mm f/2.0 full frame  lens patent

  • Focal length: 28.90-67.75
  • F value: 2.07
  • Angle of view: 76.73-33.8
  • Image height: 21.63
  • Overall length: 147.85-11.89

Asobinet found several new Sigma patents online. Here are the other Sigma 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

The fast aperture standard zoom lens will compete against the  the current Tamron 28-75mm F2.8 Di III RXD lens and Sigma 28-70mm F2.8 DG DN Contemporary lens.

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