New Patent: Canon EF 1000mm f/5.6 DO Lens

The Current Canon EF 400mm f/4 DO IS II USM Lens

Canon has filed a new patent for EF 1000mm f/5.6 DO lens. This lens is believed to be ready for the 2020 Olympic Games in Tokyo.

Take a look at the patent details below translated by Google.

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

Canon patent

  • Positive and negative Shibomake
  • Diffractive optical element (first group)
  • Inner focus (the second group)

This EF 1000mm f/5.6 DO lens from Canon is expected to be an amazing lens!

Stay tuned!

via: Egami

Read more: Canon Patents