Sigma Patents 24-70mm f/2.8 DG OS HSM | Art

According to the Egami Blog, Sigma has patented the optical formula and technology for a 24-70mm f/2.8 DG OS HSM | Art lens.

Patent Details

Patent Publication No. 2016-38502

  • Published 2016.3.22
  • Zoom ratio: 2.74
  • Wide-angle intermediate telephoto
  • Focus distance: 24.85 50.00 68.00
  • F-number: 2.92 2.92 2.93
  • Angle of View: 83.71 45.71 34.33
  • Image height: 21.63 21.63 21.63
  • The total lens length: 150.73 167.12 178.30

Posted: 3/28/2016 5:18:44 AM CT   Posted By: Sean
Posted to: Canon News, Sony News    Category: Camera and Lens Patents
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