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Canon EF 400mm F4 DO IS II USM

Canon EF Autofocus OIS

Canon EF 400mm F4 DO IS II USM

Focal length
400 mm
Aperture
f/4
Weight
2100 g
Filter diameter
52 mm
Min. focus distance
330 cm
Length
232.7 mm

At a Glance

This 400 mm telephoto prime for Canon EF full frame pairs long reach with an f/4 maximum aperture and an optical stabilizer. Its construction includes a diffractive optical element, and it weighs 2.1 kg. Minimum focus distance is 3.3 m. It suits wildlife, birds and sports shot from a distance.

Good for

  • Wildlife
  • Birds
  • Sports

Worth knowing

  • At 2.1 kg it is heavy: a monopod or tripod helps for longer sessions.

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

Technical Specifications

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
18
Groups
12
Weight
2,100 g (4.63 lb)
Filter diameter
52 mm
Min. focus distance
330 cm (129.92 in)
Max. magnification
1:7.7 (0.13Γ—)
Length
232.7 mm (9.16 in)
Diameter
128 mm (5.04 in)
Released
November 2014

Manufacturer data: global.canon

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

Simulate depth of field and angle of view

Compare with other lenses

Which cameras does the Canon EF 400mm F4 DO IS II USM fit?

The Canon EF 400mm F4 DO IS II 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

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 F4 DO IS II USM compared

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

LensCanon EF 400mm F4 DO IS II USMCanon EF 400mm f/4.0 DO IS 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
Weight2,100 g1,940 g1,250 g2,840 g
Filter diameter52 mm52 mm77 mm52 mm
Min. focus distance330 cm350 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 F4 DO IS II USM: FAQ

Does the Canon EF 400mm F4 DO IS II USM have autofocus?

Yes, the Canon EF 400mm F4 DO IS II USM has autofocus.

Does the Canon EF 400mm F4 DO IS II USM have image stabilization?

Yes, the Canon EF 400mm F4 DO IS II USM has optical image stabilization.

How much does the Canon EF 400mm F4 DO IS II USM weigh?

The Canon EF 400mm F4 DO IS II USM weighs 2,100 g. It is 232.7 mm long with a diameter of 128 mm.

What filter size does the Canon EF 400mm F4 DO IS II USM use?

The Canon EF 400mm F4 DO IS II USM takes 52 mm screw-in filters.

How close can the Canon EF 400mm F4 DO IS II USM focus?

The minimum focus distance of the Canon EF 400mm F4 DO IS II USM is 330 cm, measured from the sensor plane.

Is the Canon EF 400mm F4 DO IS II USM a full-frame lens?

Yes, the Canon EF 400mm F4 DO IS II USM covers full frame. On APS-C cameras its field of view equals 640 mm in full-frame terms.

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