Canon EF 200-400mm f/4L IS USM Extender 1.4x By Alif SetiawanPosted on January 1, 2016January 1, 2016 By Jim Fisher Canon’s EF 200-400mm f/4L IS USM Extender 1.4x ($ 10,999) is a behemoth of a lens that ships in – Readmore
