The EF 400mm f/5.6L USM super-telephoto lens delivers exemplary optical performance and fast autofocus from a portable, lightweight design. A popular combination with wildlife photographers.
The EF 400mm f/5.6L USM super-telephoto lens delivers exemplary optical performance and fast autofocus from a portable, lightweight design. A popular combination with wildlife photographers.
L-series construction and optics
Large focal length compact size
One UD and one super UD lens element
Fast, quiet USM autofocus
Super Spectra coatings
77 mm filter size
Built in lens hood
| Focal Length | 400mm |
| Maximum Aperture | f/5.6 |
| Minimum Aperture | f/32 |
| Lens Mount | Canon EF |
| Lens Format Coverage | Full-Frame |
| Angle of View | 6° 10' |
| Minimum Focus Distance | 11.48' / 3.5 m |
| Maximum Magnification | 0.12x |
| Optical Design | 7 Elements in 6 Groups |
| Diaphragm Blades | 8, Rounded |
| Focus Type | Autofocus |
| Image Stabilization | None |
| Tripod Collar | Removable and Rotating |
| Filter Size | 77 mm (Front) |
| Dimensions (ø x L) | 3.54 x 10.1" / 90 x 256.5 mm |
| Weight | 2.75 lb / 1.25 kg |
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