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!

Leave a Reply

Your email address will not be published. Required fields are marked *