New Canon patents for 100-400mm and 70-300mm f/4.5-5.6 lenses with diffractive optical element (DOE)

Canon 100-400mm f:4.5-5.6 DO lens patent

Canon 100-400mm f:4.5-5.6 DO lens patent

Canon 70-300mm f:4.5-5.6 DO lens patent

Canon 70-300mm f:4.5-5.6 DO lens patent

A quick update to my last post: Canon filed new patents for a 100-400 mm f/4.5-5.6 and 70-300 mm f/4.5-5.6 lenses with diffractive optical element (DOE).

Via Egami

This entry was posted in Canon and tagged , . Bookmark the permalink. Trackbacks are closed, but you can post a comment.
  • Back to top