Canon patent for 37.5-100mm f/3.3 anamorphic lens

Canon patent for an anamorphic lens, a 37.5-100mm f/3.3

• Patent Publication No. 2016-57445
  • Published 2016.4.21
  • Filing date 2014.9.9
• Example 1
  • Zoom ratio 2.67
  • Focal length 37.5 56.2 100.0
  • F-number 3.3 3.3 3.3
  • Half angle of view (degrees) 11.49 7.72 4.36
  • The image height 7.62 7.62 7.62
  • The total lens length 259.95 259.95 259.95
  • BF 38.25 38.25 38.25
• Canon patent
  • Anamorphic optical system

[via Egami]