Canon Patents Patent: Canon RF 14-21mm f/1.4L, yes…. f/1.4 Canon Rumors Posted onNov 1, 2018 at 9:33 AM 157 Comments Canon News has uncovered a patent for a new super wide angle RF mount zoom and it looks extremely impressive. US Patent Application 20180314060 shows an optical Read more… Comments (157 posts) Share on Facebook Share on Twitter Share on Google+ Via: Canon News Source: USPTO