Canon Files EF 1000mm f/5.6 DO Patent

According to the Egami Blog, Canon has filed an optical formula patent for an EF 1000mm f/5.6 DO lens.

Incorporating diffractive optics into a 1000mm lens sounds like a match made in heaven. The patent details mention Tokyo's Oympic Games in 2020 which seems to indicate Canon's anticipated launch window for the lens.

Patent Details

  • Patent Publication No. 2016-102852
  • Published 2016.6.2
  • Filing date 2014.11.27
  • Zoom ratio 1.00
  • Focal length 950.00
  • F-number 5.80
  • Angle of view 1.30
  • Image height 21.64
  • Overall length of the lens 485.94
  • BF 0.40

Posted: 6/6/2016 5:24:26 AM ET   Posted By: Sean
Posted to: Canon News    Category: Camera and Lens Patents
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