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Canon patent for 135mm f/2 lens with Apodization Filter

canon patent

Canon patent for a 135mm f/2 lens with apodization filter. This is not the first Canon patent for an optical formula with apodization filter, we got a 135mm f/2.8 and a 180mm f/3.5.

  • Patent publication number 2016-218444
    • Release date 2016.12.22
    • Application date 2015.5.20
  • Example
    • Focal length 130.98
    • F number 2.06
    • Field of View 9.38
    • Image height 21.64
    • Lens total length 159.05
    • BF 53.99
  • Canon patent
    • Even in the presence of vignetting, a good blurred image at all angle of view
[via Egami]
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