New Patent: Canon EF 11mm F4L USM Lens

Canon EF 11mm F4L USM lens patent

Canon has just filed a new lens patent for EF 11mm F4L USM lens. This is another new ultra wide-angle lens, likely part of the EF 11-24 f/4L lens.

Detail translated by Google:

  • Patent Publication No. 2016-81005
    • Published 2016.5.16
    • Filing date 2014.10.22
  • Example
    • Focal length 11.33 11.47
    • F-number 4.11 4.12
    • Half angle of 62.36 62.08
    • Image height 21.64 21.64
    • Overall length of the lens 109.13 109.12
    • BF 38.90 38.40
  • Canon patent
    • It is less distortion in the normal state
    • A large distortion in the distortion change state

Source: EGAMI

Read More Canon Lens Patent

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