Canon patents for 14mm f/2.8, 300mm f/4, 28-300mm f/3.5-5.6 and 28-135mm f/4-5.6 lenses

Two new Canon patents from Japan: 2012-159720 is for a 14mm f/2.8 lens with anti-reflective coating.

The next patent 2012-159726 is for a 300mm f/4 lens.

Patent 2012-163746 is for a 28-300mm f/3.5-5.6 and 28-135mm f/4-5.6 lenses.

This entry was posted in Canon and tagged . Bookmark the permalink. Trackbacks are closed, but you can post a comment.
  • FCC disclosure statement: this post may contain affiliate links or promotions that do not cost readers anything but help keep this website alive. As an Amazon Associate, I earn from qualifying purchases. When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network. Thanks for your support!

  • Back to top