Tag: EF 600 f/4 DO IS

We're told that the Canon EF 600mm f/4 DO IS that was…

October 3, 2016

A prototype of a Canon EF 600mm f/4 DO BR lens is…

September 10, 2015

A lens we'd all like to see happen has appeared in a patent,…

July 20, 2015

A new patent showing the 600mm f/4 optical formula. Is Canon already…

March 3, 2014