Canon has announced their super telephoto lens. EF 200-400mm f/4L IS USM Extender 1.4x sample images are also available. The new super telephoto lens is designed for professional sports and wildlife photographers.
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.
Below you can see the sample images of the new EF 200-400mm f/4L IS USM Extender 1.4x telephoto lens.
Canon EF 200-400mm f/4L IS USM Extender 1.4x Sample Images
Here are several sample images of EF 200-400mm f/4L IS USM Extender 1.4x lens
more sample images at B&H
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