Canon patents 16-35mm f/2-2.8 lens

Canon filed a patent in Japan for a new 16-35mm f/2-2.8 lens:

The design is very similar to the current EF 16-35mm f/2.8L lens:


  • Patent application: 2011-13469
  • Released on: 01/20/2011
  • Filed on: 02/07/2009
  • Focal length: 16.48-24.02-33.95mm
  • Aperture: 2.17-2.46-2.91
  • 105.40-84.02-65.02 ° angle
  • Image circle 43.28mm
  • Total lens length 154.12-145-89-147-20mm

Source

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