Canon EF 200-400mm f/4L IS USM Extender 1.4x XF 35mm Nikon's impressive Vibration Reduction lets

Nikon's impressive Vibration Reduction lets you shoot at shutter speeds up to 4

7x zoom with super-telephoto reach

extending their focal length by a factor of 1

The optical design employs one aspherical element

19-point all cross-type AF system

Canon EF 200-400mm f/4L IS USM Extender 1.4x XF 35mm Nikon's impressive Vibration Reduction letsCanon EF 200 400mm f 4L IS USM Extender 1. 4x Front and rear lens caps Lens strap Lens hood Lens hard case 52mm drop in gelatin filter holder Monopod mount Strap for hard caseThe Canon EF 200 400mm f 4L IS USM Extender 1. 4x. A professional telephoto zoom suited to photojournalism, wildlife and sports photography A professional grade 200 400mm f 4 lens with a built in 1. 4x extender that boosts focal lengths to 280 560mm. A four stop Image Stabilizer