Canon EF 400mm f/4 DO IS USM Super Telephoto Lens for Canon SLR Cameras

Canon EF 400mm f/4 DO IS USM Super Telephoto Lens for Canon SLR Cameras

Product Reviews Of Canon EF 400mm f/4 DO IS USM Super Telephoto Lens for Canon SLR Cameras Specification

EF mount; super telephoto lens

Fluorite glass; diffractive optics; image stabilizer; internal focusing

400mm focal length

f/4 maximum aperture

Micro UltraSonic Motor (USM)