The ef 200-400mm f 4l is usm lens with internal 1.4X extender from canon ishigh-performance super-telephoto zoom lens withbuilt-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 withsimple lever switch. The ef 200-400mm f 4l is usm lens features one fluorite and four ultra-low dispersion optical elements that deliver sharper images with fewer chromatic aberrations. Super-spectra lens coatings minimize ghosting and flare andfluorine coating on the front and rear lens elements keep oily smears and fingerprints tominimum.
Brand: Canon
