Canon 400mm F4 DO IS II USM is an Auto Focus (AF)
Super 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
Lens Mount
Canon 400mm F4 DO IS II USM is compatible with cameras that have Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Canon 1D X III, Canon 6D MII and Canon 5D MIV.
Focal Range
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.
Weather Sealings
Canon 400mm F4 DO IS II USM is a weather sealed lens which provides an extra protection to prevent water and dust get inside the lens and camera body under light rain, snow and wind. In order to have an effective protection, you have to pair the Canon 400mm F4 DO IS II USM with a weather sealed camera body such as Canon 1D X III, Canon 6D MII and Canon 5D MIV.
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.
Zoom Method
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.
Maximum Magnification Ratio
Canon 400mm F4 DO IS II USM has a Max Magnification Ratio of 0.13x and has a minimum focusing distance of 3.3m. 0.13x means that the max magnification ratio is very low and not suitable even for modest close-up shots.
Aperture
Canon 400mm F4 DO IS II USM has a max aperture of F4.0 and a minimum aperture of F32.0.
Optical Formula
Canon 400mm F4 DO IS II USM's optical formula consists of 18 elements in 12 groups . Following special elements are used in this design:
- Anti-smear fluorine coating on front element
- large-diameter aspheric
element
- UD element
Lens Hood
Canon 400mm F4 DO IS II USM comes with a removable lens hood which is handy to reduce lens flare and glare in your photos. The model number of the hood is ET-120.
Body Colour
Canon 400mm F4 DO IS II USM is available in White color.
Popular Comparisons of Canon 400mm F4 DO IS II USM
Here is the eight most popular comparisons of Canon 400mm F4 DO IS II USM amongst Camera Decision readers.