Canon EF 200-400mm f/4L IS USM Telephoto Lens with EXT 1.4x

Offering an extended zoom range at the flick of a switch, the EF 200-400mm f4L IS USM Extender 1.4X is the ideal choice for sports and wildlife photographers. Offering L-series build quality, the EF 200-400mm f4L IS USM extender lens delivers professional grade images and an excellent focal range. With its built-in extender, you can easily extend the focal range of your shot without changing lenses.