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Canon EF 400mm lens f/2.8L USM IS III
Combining ultra-high performance with a portable design, this is the world's lightest 400mm f/2.8 lens. It's superb for action and wildlife, and for photographers who travel and work on location.
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We Love
- No compromise lens performance
- 9-blade circular aperture creates evocative out-of-focus areas and soft backgrounds
- Excellent focal range, speed and usability
- Bright f/2.8 aperture for low light shooting
A lightweight super telephoto lens that offers superb image quality
Combining ultra-high performance with a portable design, this is the world's lightest 400mm f/2.8 lens. It's superb for action and wildlife, and for photographers who travel and work on location.
Superb quality from an advanced optical design
- Ultra-high image quality, with high sharpness right across the frame
- Fluorite lens elements virtually eliminate chromatic aberration and boost resolution and contrast
- Flare and ghosting is virtually eliminated by our Subwavelength structure coating (SWC)
- Create superb out-of-focus backgrounds, with a fast f/2.8 aperture and nine-bladed diaphragm
The lightest 400mm f/2.8 lens in the world
- An advanced optical formula reduces weight, making this the world's lightest 400mm f/2.8 design
- Ultra-portable design is ideal for location work
- As an L-series lens, the EF 400mm f/2.8L IS III is built to withstand the rigours of professional use
- Protective weather sealing guards against dust and moisture, while fluorine coatings help cleaning
- Thermal insulation coating maintains image quality when shooting in hot sunny conditions
Keep subjects in sharp focus as they move around the frame
- focusing is fast and quiet, thanks to a ring-type USM autofocus motor and high-speed CPU
- Create pull-focus effects when shooting video, using power focus controls and focus presets
- Make instant adjustments using full-time manual focus control
- Manual focus is electronically controlled, for customizable focusing speed and extreme precision
Stay sharp when shooting handheld or in low light
- Preserve sharpness when shooting handheld or in low light, thanks to a five-stop Image Stabilizer
- The lens's lightweight design allows it to be used handheld for longer periods of time
React quickly, using customisable controls
- Lock, stop and recall focus using customisable AF control buttons
- Shoot instinctively, with controls that fall naturally under your fingers with the camera at your eye
Canon EF 400mm f/2.8L IS III USM Specifications
Lens construction |
17/13 (elements/groups) |
Mount |
Canon EF Mount |
Optical image stabiliser |
5-stops AF actuator |
Focal Length |
400mm focal length |
Aperture Type |
9-bladed diaphragm |
Maximum Aperture |
f/2.8 |
Minimum Aperture |
f/32 |
Minimum focusing distance |
2.5m |
Maximum magnification |
0.17 |
Diagonal angle of view |
5°10', 3°30', 6°10' |
Filter Size |
52mm Drop in (drop-in) |
Overall Length |
163 x 343 mm |
Weight |
2840g |
Offers: N/A |
Offer Category: Camera Lenses |
Offer Product Type: Canon Lenses EF mount |
Autofocus: Yes |
Aperture ring: N/A |
Constant Aperture: Yes |
Lens CIPA Image stabilization rating: N/A |
Colour: N/A |
Diameter (mm): 163 |
Length (mm): 343 |
Weight (g): 2840 |
Distance scale: Yes |
DoF scale: N/A |
Elements: 17 |
Environmental Sealing: N/A |
Focus distance limiter: Yes |
Focal length: 400 mm |
Focus method: N/A |
Filter Thread: N/A |
Full time manual: Yes |
Groups: 13 |
Hood supplied: Yes |
Lens Image stabilization: N/A |
Lens mount: N/A |
Lens Materials: N/A |
Maximum focal length: 400 |
Maximum magnification: 0.17 |
Maximum aperture (number): 2.8 |
Maximum aperture (text): N/A |
Max Format size: N/A |
Minimum focal length: 400 |
Lens Minimum focus distance (m): 2.5 |
Minimum aperture (number): 32 |
Minimum aperture (text): N/A |
Motor type: N/A |
Number of diaphragm blades: 9 |
Power zoom: N/A |
Special elements / coatings: Super UD + fluorite elements + Air Sphere + Super Spectra + fluorine coatings |
Tripod collar: Yes |
Lens type: N/A |
Zoom lock: N/A |
Zoom method: N/A |
Notes: N/A |
Our Verdict
This third iteration CANON EF 400mm f/2.8L USM IS III combines professional quality performance with a portable design and is the world's lightest 400mm f/2.8 DSLR lens. The advanced optical formula reduces weight yet maintains superb image quality throughout the aperture range.
Protective weather sealing guards against dust and moisture while the optical elements include fluorine coatings to reduce oil and dust on the elements. A number of useful features ensures this will remain a popular choice for bird photography, wildlife, sports and action photographers who demand a fast aperture in a portable lens.
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- Like New – The equipment is in a condition as if you have just bought it from the manufacturer. The item is still considered to be ‘Like New’ even without the original packaging. The product has been fully tested and is in perfect working order.
- Excellent – The equipment should be close to being ‘Like New’ but there may be some small cosmetic blemishes that lower its grade. The product has been fully tested and is in perfect excellent order.
- Cameras – Should have no marks on the LCD screen
- Lenses – Should have no marks on the elements or dust within the lens
- Very Good – The equipment may have some slight cosmetic wear to the paintwork and cosmetic blemishes with only light signs of use and the product has been fully tested and is in great working order.
- Cameras – The LCD screen may have small signs of wear that does not affect its display
- Lenses – The mount of the lens will start to show signs of wear
- Good – The equipment is showing more obvious signs of cosmetic wear and blemishes, but the product has been fully tested and is in great working order.
- Cameras – LCD screen may have scratches or wear that is starting to affect the display.
- Lenses – May have slight dust inside that does not affect images. The mount shows signs of use.
- Well Used – The equipment will show significant signs of wear. The paintwork will be coming away in large areas exposing the metal work, but the product has been fully tested and is in great working order.
- Cameras – LCD screen is heavily worn either by de-lamination or has scratches to it. Rubber grips are starting to come away from the body.
- Lenses – The lens has dust inside that may affect images. The rubber zoom/focus ring is coming away from the barrel of the lens.