New Patent: Canon EF 11mm f/4L USM Lens

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canon-ef-11-24mm-f4l-usm-lens

Canon has filed a new patent for Canon EF 11mm f/4L USM Lens, which is designed for Canon full frame DSLR cameras and it will have high quality optical features.

Take a look at the patent details below translated by Google.

Canon-EF-11mm-f4L-USM-Lens-Patent

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

via: Egami

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