Patent: Canon EF-M 9-18mm F/3.5-4.5 Lens for Mirrorless Cameras

Patent: Canon EF-M 9-18mm F/3.5-4.5 Lens for Mirrorless Cameras

Canon has registered a new patent for an ultra-wide angle zoom lens for its mirrorless camera systems. The lens could be seen as being a slightly higher end version of Canon’s current EF-M 11-22 f/4-4.5 IS STM lens which is currently available for the company’s morrorless EOS-M cameras. Check out the details below:

Patent Publication No. 2016-54371 (Google Translated)

  • Published 2016.4.14
  • Filing date 2014.9.3
  • Zoom ratio 1.90
  • Wide-angle intermediate telephoto
  • Focal length 9.22 14.05 17.50
  • F-number 3.39 4.04 4.63
  • Half angle of view (degrees) 53.07 44.12 37.91
  • Image height 12.27 13.63 13.63
  • Overall length of the lens 89.68 83.60 86.84
  • BF 14.22 15.78 16.00
  • Upon correction of the distortion, providing a constraint on stretching amount at each image height
  • Properly set the curve shape of the distortion aberration

The patenting of yet another EOS M lens once again lends credence to the rumor that Canon is currently working on at least two mirrorless system cameras. Watch this space for more information as it becomes available, and check out canons current mirrorless wide angle zoom option, the EF-M 11-22 f/4-4.5 IS STM at the following links:


Image: Canon EF-M 11-22 f/4-4.5 IS STM.