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Canon EF 400mm f/4.0 DO IS USM

Canon EF Autofocus OIS

Canon EF 400mm f/4.0 DO IS USM

Focal length
400 mm
Aperture
f/4
Weight
1940 g
Filter diameter
52 mm
Min. focus distance
350 cm
Length
232.7 mm
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At a Glance

A 400 mm prime for Canon EF full frame, this lens offers an f/4 maximum aperture and an optical stabilizer. It contains a diffractive optical element and weighs 1.94 kg. Magnification reaches 0.12x at a minimum focus distance of 3.5 m. It is aimed at wildlife, bird and sports photography that needs long reach.

Good for

  • Wildlife
  • Birds
  • Sports

Derived from the manufacturer data, not from our own tests. How we check

Technical Specifications

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Min. focal length
400 mm
Max. focal length
400 mm
Max. aperture (min. zoom)
f/4
Max. aperture (max. zoom)
f/4
Min. aperture
f/32
Elements
17
Groups
13
Weight
1,940 g (4.28 lb)
Filter diameter
52 mm
Min. focus distance
350 cm (137.8 in)
Max. magnification
1:8.3 (0.12×)
Length
232.7 mm (9.16 in)
Diameter
128 mm (5.04 in)
Released
December 2001

Manufacturer data: global.canon

Last checked: October 13, 2026 (against the manufacturer data) · How we check

Simulate depth of field and angle of view

Compare with other lenses

Which cameras does the Canon EF 400mm f/4.0 DO IS USM fit?

The Canon EF 400mm f/4.0 DO IS USM is a full-frame lens for Canon EF cameras. On full-frame bodies it uses the whole sensor; on APS-C Canon EF cameras its field of view equals 640 mm in full-frame terms.

Canon EF cameras

Full frame:
Canon EOS-1D X Mark III,Canon EOS 6D Mark II,Canon EOS-1D X Mark II,Canon EOS 5D Mark IV,Canon EOS 5Ds,Canon EOS 5Ds R,Canon EOS 5D Mark III,Canon EOS 6D,Canon EOS-1D C,Canon EOS-1D X,Canon EOS 5D Mark II
APS-C:
Canon EOS 850D (Rebel T8i),Canon EOS 90D,Canon EOS 250D (Rebel SL3),Canon EOS 4000D (3000D, Rebel T100),Canon EOS 2000D (1500D, Rebel T7),Canon EOS 800D (Rebel T7i),Canon EOS 77D,Canon EOS 200D (Rebel SL2),Canon EOS 80D,Canon EOS 1300D (Rebel T6),Canon EOS 750D (Rebel T6i),Canon EOS 760D (Rebel T6s),Canon EOS 7D Mark II,Canon EOS 1200D (Rebel T5),Canon EOS 70D,Canon EOS 700D (Rebel T5i),Canon EOS 100D (Rebel SL1),Canon EOS 650D (Rebel T4i),Canon EOS 60Da,Canon EOS 600D (Rebel T3i),Canon EOS 1100D (Rebel T3),Canon EOS 550D (Rebel T2i),Canon EOS 60D,Canon EOS 7D,Canon EOS 500D (Rebel T1i),Canon EOS 50D,Canon EOS 450D (Rebel XSi),Canon EOS 1000D (Rebel XS)

With the Canon Mount Adapter EF-EOS R the lens can also be used on Canon RF cameras.

With the Canon Mount Adapter EF-EOS M the lens can also be used on Canon EF-M cameras.

Canon EF 400mm f/4.0 DO IS USM compared

Key specs side by side with the most similar Canon EF lenses.

LensCanon EF 400mm f/4.0 DO IS USMCanon EF 400mm F4 DO IS II USMCanon EF 400mm f/5.6L USMCanon EF 400mm F2.8L IS III USM
Focal length400 mm400 mm400 mm400 mm
Max. aperturef/4f/4f/5.6f/2.8
Weight1,940 g2,100 g1,250 g2,840 g
Filter diameter52 mm52 mm77 mm52 mm
Min. focus distance350 cm330 cm350 cm250 cm
Length232.7 mm232.7 mm256.5 mm343 mm
Autofocusyesyesyesyes
Image stabilizationyesyesnoyes
Open these lenses in the comparison and add more

Canon EF 400mm f/4.0 DO IS USM: FAQ

Does the Canon EF 400mm f/4.0 DO IS USM have autofocus?

Yes, the Canon EF 400mm f/4.0 DO IS USM has autofocus.

Does the Canon EF 400mm f/4.0 DO IS USM have image stabilization?

Yes, the Canon EF 400mm f/4.0 DO IS USM has optical image stabilization.

How much does the Canon EF 400mm f/4.0 DO IS USM weigh?

The Canon EF 400mm f/4.0 DO IS USM weighs 1,940 g. It is 232.7 mm long with a diameter of 128 mm.

What filter size does the Canon EF 400mm f/4.0 DO IS USM use?

The Canon EF 400mm f/4.0 DO IS USM takes 52 mm screw-in filters.

How close can the Canon EF 400mm f/4.0 DO IS USM focus?

The minimum focus distance of the Canon EF 400mm f/4.0 DO IS USM is 350 cm, measured from the sensor plane.

Is the Canon EF 400mm f/4.0 DO IS USM a full-frame lens?

Yes, the Canon EF 400mm f/4.0 DO IS USM covers full frame. On APS-C cameras its field of view equals 640 mm in full-frame terms.

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