New Patent: Canon EF 11mm f/4L 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.


Patent Publication No. 2016-81005

  • Published 2016.5.16
  • Filing date 2014.10.22


  • 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

Note: If you are a Canon Camera User, you can now join the Canon Camera Users Facebook Group to share your Canon photography and advice, ask and answer questions that arise and help each others!