Canon Files Patent for Potential Successor to the EF 16-35mm f/2.8L II

According to the Egami Blog, Canon has filed a patent for a potential successor to the EF 16-35mm f/2.8L II.
 
If I’m understanding the garbled Google Translation correctly, there seems to be an emphasis on reduced vignetting in the lens. [Sean]
 
Description of Patent
 
Patent Publication No. 2016-14800
 

  • Published 2016.1.28
  • Filing date 2014.7.3
  • Zoom ratio 2.06
  • Focal length 16.48 23.60 33.95
  • F-number 2.90 2.91 2.91
  • Angle of view 52.70 42.51 32.51
  • Image height 21.64
  • Overall length of the lens 175.98 164.19 160.08
  • BF 37.99 44.61 56.87

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