Patent: A New Canon EF 300mm f/2.8L IS

Craig
1 Min Read

When you purchase through links on our site, we may earn an affiliate commission. Here's how it works.

We posted a couple of days ago that Canon was well into the development of new “big white” lenses. The first patent for a new optical formula has appeared for an EF 300mm f/2.8L IS.

Patent Publication No. 2016-173439 (Google Translated)

  • Published 2016.9.29
  • Filing date 2015.3.17
  • Focal length 292.46
  • F-number 2.91
  • Angle of view 4.23
  • Image height 21.64
  • Overall length of the lens 273.95
  • BF 60.81

We don't expect to see the supertelephoto lenses updated until at least 2018.

Share This Article
Follow:
Craig is the founder and editorial director for Canon Rumors. He has been writing about all things Canon for more than 17 years. When he's not writing, you can find him shooting professional basketball and travelling the world looking for the next wildlife adventure. The Canon EOS R1 is his camera of choice.
Leave a Comment

Leave a Reply