Tuesday, 05/14/13 -- Canon today announced a new super-telephoto zoom lens, the EF 200-400mm f/4L IS USM Extender 1.4x, which as the name implies has an integrated 1.4x focal length extender, as well as a high-performance Image Stabilization system for exceptional shooting flexibility and range, ideal for sports or wildlife photography. The lens also utilizes inner focusing, ring USM, a high-speed CPU and optimized AF algorithms for fast and accurate autofocusing. Quiet and smooth focus shifts - essential for filmmaking - are made possible with Canon's Power Focus mode.