Canon EF 400mm f/2.8L IS III USM Lens

The world’s lightest 400mm f/2.8 lens*

The optical design of this super-telephoto lens doesn’t just deliver superb image quality, it also reduces weight, making this the most portable 400mm f/2.8 ever.*

Great for Sport
When you’re on the touchline, the EF 400mm f/2.8L IS III USM puts you right next to the action. The lens’s USM focusing works with your camera’s AF to keep fast-moving subjects sharp.
Great for Wildlife
Whether you’re on safari or shooting locally, the EF 400mm f/2.8L IS III USM is an excellent choice for photographing wildlife in its native environment. The lens’s lightweight design makes it an ideal travelling companion.
Great for Reportage
Press photography often demands a powerful telephoto performance. The EF 400mm f/2.8L IS III USM delivers this while also being lightweight and portable, so it’s easier to carry between jobs.

Professional image quality

Achieve exceptional sharpness and contrast right across the frame. Superb for sports, wildlife and news photographers who demand the very best performance.

Shoot handheld

The EF 400mm f/2.8L IS III USM is the lightest 400mm f/2.8 lens in the world*, and features an advanced five-stop Image Stabilizer**, making hand-held shooting a reality.

Focus quickly & accurately

Subjects come into critical focus with exceptional speed and precision, even in low light. Fast moving-objects are kept sharp.

Shoot with smart controls

Fingertip controls let you start/lock AF or recall a pre-programmed focusing distance. All without taking the camera from your eye.

Built to travel

As an L-Series lens the EF 400mm f/2.8L IS III USM is built to exacting standards. It’s sealed against dust and moisture and can withstand the rigours of professional use.

400mm
Focal length
f/2.8
Maximum aperture
5-stop
Image Stabilizer**
9-bladed
diaphragm
Focus lock/activate
controls
World’s lightest 400mm f/2.8 lens*
2840g

What’s in the box

EF 400mm f/2.8L IS III USM
ET-155(W III) hood
Lens cap E-180E
Lens dust cap E
Lens wide strap B
Drop-in filter holder
Lens softcase LS-400
User manual kit

400mm
Focal length
f/2.8
Maximum aperture
5-stop
Image Stabilizer**
9-bladed
diaphragm
Focus lock/activate
controls
World’s lightest 400mm f/2.8 lens*
2840g

Specifications in detail

Optical Features / Specifications

Image Size
Full Frame
35mm Film Equivalent Focal Length (mm)
-
Angle of View (Horizontal, vertical, diagonal)
5°10', 3°30', 6°10'
Lens Construction (Elements/Groups)
17/13
Number of Diaphragm Blades
9
Minimum Aperture
32
Closest Focusing Distance (m)
2.5
Maximum Magnification (x)
0.17
Distance Information
Yes
Image Stabilizer OIS1
5-stops
AF Actuator
Ring USM2

Accessories

Lens Cap
E-180E
Lens Hood
ET-155(W III)
Lens Case/Pouch
Lens Soft case LS400
Magnification with Extension Tube EF12 II
0.22-0.03
Magnification with Extension Tube EF25 II
0.3-0.07
Extender Compatibility
Compatible (Mark III only)
Other Accessories
Canon drop-in 52mm filters
Canon Drop-In Circular Polarizing Filter 52 (W III)
Cannon Lens Short Hood ET-155B
Lens Case 400E