Canon EF 200-400mm f/4L IS USM Extender 1.4x
Announcement date May 14th 2013
Days Since Announcement
The EF 200-400mm f/4L IS USM Lens with Internal 1.4x Extender from Canon is a high-performance super-telephoto zoom lens with a built-in 1.4x extender that converts the focal range and maximum aperture to 280-560mm f/5.6. The extender is located at the base of the lens and applied with a simple lever switch.