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Sigma patented a new 28-85mm F2.8 DG DN FE lens

Looks like Sigma is playing with the idea to make a competitor for the Tamron 28-75mm FE lens. A new patent describes the following lens:

  • Focal length: 28.79-83.51
  • F value: 2.92
  • Angle of view: 75.61-27.77
  • Image height: 21.63
  • Overall length: 135.02-164.94

via Asobinet

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