Canon EF 1.4x II Tele-Extender

Canon Extender EF 1.4X II - Telephoto Extender: The latest telephoto extender designed to work with Canon EOS cameras and and specific telephoto and zoom lenses.This latest version of the highly regarded 1.4x super telephoto extender is even better than its predecessor with weather sealing via new rubber gaskets at both ends.

Installation and removal is easy. Using the 1.4x will make the 70-200mm into a 98-280mm lens. There is a loss of one f-stop (so an f/2.8 lens becomes an f/4 and the 70-200 f/4 becomes an f/5.6). For outdoor sports or racing photography this is not really noticeable. Read  More...