Canon 400mm F4 DO IS II USM is an Auto Focus (AF) Telephoto Prime
lens with 35mm FF max sensor coverage and it is designed to be used with Canon EF mount cameras.
Canon replaced the older Canon EF 400mm f4.0 DO IS USM with this model. Follow the link to read our detailed comparison of these models: Compare Canon EF 400mm F4 DO IS II USM vs Canon EF 400mm f4.0 DO IS USM
Lenses in Canon EF Mount with Same Focal and Aperture Range
Canon 400mm F4 DO IS II USM is compatible with cameras that have Canon EF
lens mount. Some of the latest released cameras with Canon EF lens mount are Canon 1D X III
, Canon 6D MII
and Canon 5D MIV
Max sensor coverage of Canon 400mm F4 DO IS II USM is 35mm FF
Canon 400mm F4 DO IS II USM has a fixed focal lenght of 400mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides an 35mm (FF) equivalent of 640mm.
Optical Image Stabilization
Canon 400mm F4 DO IS II USM features an optical image stabilization system which helps to reduce the blur that occurs due to shaking during hand-held shooting.
Canon 400mm F4 DO IS II USM is available in White color.
Canon 400mm F4 DO IS II USM features Rotary (internal)
zoom method where the length of the lens doesn't change while you are zooming in or out. Even though this design has a size disadvantage in general compare to extending designs, it has the benefits of better sealing against dust and moisture, no zoom creep and no weight balance shift while zooming.
Canon 400mm F4 DO IS II USM has a max aperture of F4.0 and a minimum aperture of F32.0.
Canon 400mm F4 DO IS II USM's optical formula consists of 18 elements in 12 groups.