Tag: RF 70-200 f/4L IS

Patent: Inner zoom RF 70-200mm f/2.8 and RF 70-200mm f/4

Canon News has uncovered a patent with optical formulas for an RF…

Craig

January 31, 2020

Patent: Canon RF 70-200mm f/4

With the Canon RF 70-200mm f/2.8L IS already announced, it was only…

Craig

April 18, 2019