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

Canon patent

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]
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