Canon Lens Rumors

Patent: EF-M 9-17mm f/3.5-5 STM

This site contains affiliate links to products and services. We may receive a commission for purchases made through these links.

Another EF-M optical formula patent has appeared, this time for a EF-M 9-17mm f/3.5-5 STM. The front element on the lens is quite interesting going by the image above.

Patent Publication No. 2016-85259 (Google translated)

  • Published 2016.5.19
  • A wish day 2014.10.23
  • Zoom ratio 1.79
  • Focus distance 9.27 13.32 16.58
  • F-number 3.60 4.38 5.11
  • AOV 51.83 45.17 38.94
  • Like high 11.79 13.40 13.40
  • Overall length of the lens 85.22 79.65 81.94
  • BF 14.99 16.82 15.41

As with all of the EF-M patents, this is for a crop camera and we believe that the next EOS M body announced will be APS-C as well.

Comments are closed.