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Canon

Canon EF 400mm f/2.8L IS USM

Canon's first stabilised 400 mm f/2.8 (1999): 2-stop IS with a panning mode, dust- and drip-proofing, a focus preset and a 5.4 kg build.

Used from
£1619
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Used
MPB
MPB used
Inspected used stock · 12-month warranty
£1619
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eBay used
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£2478
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Wex Photo Video
Wex Photo Video used
£3767
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Core
Released
1999
Focal Length
400mm
Aperture
f/2.8
Compatible Mount
Canon EF
Filter Size
52mm
Dimensions
163mm diameter × 349mm length
Weight
5370g
Weather Sealed
Yes
Optics & Focus
AF Motor
Ultrasonic Motor (USM)
Optical IS
Optical IS, 2 stops
Aperture Blades
8
Magnification
0.15x
Min. Focus Distance
3m

Select up to 2 cameras to compare against the EF 400mm f/2.8L IS USM. It's always pinned as the baseline.

Select 1–3 cameras to compare

24 cameras compatible with the Canon EF mount.

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EOS-1D Mark IV
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GearScore™ — Suitability by Genre

Base score — computed from verified specs for an enthusiast shooting photo and video. Camera Match adjusts it for your skill level and priorities.

Portrait
7.0/10
Street
4.2/10
Travel
4.5/10
Wedding & Events
6.5/10
Filmmaking
4.4/10
Documentary
5.4/10
Sports & Action
8.6/10
Landscape
6.0/10
Wildlife
7.8/10
Casual
4.4/10
Food
5.2/10
Architecture
6.0/10
Underwater
5.9/10
✅ Great For
⚡
Sports & Action 8.6 Strong on autofocus, focal length and optical quality.
🦅
Wildlife 7.8 Strong on focal length, autofocus and optical quality.
🧑
Portrait 7.0 Strong on optical quality and autofocus.
⚠️ Not Ideal For
🌆
Street 4.2 Held back by portability and focal length.
📷
Casual 4.4 Held back by portability and focal length.
🎬
Filmmaking 4.4 Held back by video handling and focal length.
📝 How suitability scores are calculated GearScore™ genre scores are calculated from this camera's verified specifications — autofocus, sensor, weight, weather sealing and more — weighted by what matters for each type of photography. Where a spec sheet misses something (e.g. a manual-focus rangefinder for street), we apply a documented editorial adjustment. Scores are not based on customer reviews. See our full methodology →
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