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Canon RF 100-400mm F5.6-8 IS USM

Canon RF Autofocus OIS

Canon RF 100-400mm F5.6-8 IS USM

Focal length
100–400 mm
Aperture
f/5.6–8
Weight
635 g
Filter diameter
67 mm
Min. focus distance
88 cm
Length
164.7 mm
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At a Glance

Compact at 635 g, this telephoto zoom spans 100-400 mm on full-frame Canon RF. It has an f/5.6-8 aperture and an optical stabilizer. A magnification of 0.41x at 88 cm minimum focus distance also allows close-ups. It suits sports, wildlife, landscape and travel photography.

Good for

  • Sports
  • Wildlife
  • Landscape
  • Travel

Worth knowing

  • Only f/8 at the long end: in low light, ISO or shutter time go up.

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

Technical Specifications

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Min. focal length
100 mm
Max. focal length
400 mm
Max. aperture (min. zoom)
f/5.6
Max. aperture (max. zoom)
f/8
Min. aperture
f/32
Elements
12
Groups
9
Weight
635 g (1.4 lb)
Filter diameter
67 mm
Min. focus distance
88 cm (34.65 in)
Max. magnification
1:2.4 (0.41×)
Length
164.7 mm (6.48 in)
Diameter
79.5 mm (3.13 in)
Released
October 2021

Manufacturer data: usa.canon.com, 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 RF 100-400mm F5.6-8 IS USM fit?

The Canon RF 100-400mm F5.6-8 IS USM is a full-frame lens for Canon RF cameras. On full-frame bodies it uses the whole sensor; on APS-C Canon RF cameras its field of view equals 160-640 mm in full-frame terms.

Canon RF cameras

Full frame:
Canon EOS R8 Mark II,Canon EOS R6 V,Canon EOS R6 Mark III,Canon EOS C50,Canon EOS R1,Canon EOS R5 Mark II,Canon EOS C400,Canon EOS C80,Canon EOS R8,Canon EOS R6 Mark II,Canon EOS R5 C,Canon EOS R3,Canon EOS R5,Canon EOS R6,Canon EOS Ra,Canon EOS RP,Canon EOS R
APS-C:
Canon EOS R50 V,Canon EOS R100,Canon EOS R50,Canon EOS R7,Canon EOS R10,Canon EOS C70

Canon RF 100-400mm F5.6-8 IS USM compared

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

LensCanon RF 100-400mm F5.6-8 IS USMCanon RF 100-500mm F4.5-7.1L IS USMCanon RF 100-300mm F2.8L IS USMCanon RF 75-300mm F4-5.6
Focal length100-400 mm100-500 mm100-300 mm75-300 mm
Max. aperturef/5.6-8f/4.5-7.1f/2.8f/4-5.6
Weight635 g1,370 g2,590 g507 g
Filter diameter67 mm77 mm112 mm58 mm
Min. focus distance88 cm90 cm180 cm150 cm
Length164.7 mm207.6 mm323.4 mm146.1 mm
Autofocusyesyesyesyes
Image stabilizationyesyesyesno
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Comparisons with this lens

Canon RF 100-400mm F5.6-8 IS USM: FAQ

Does the Canon RF 100-400mm F5.6-8 IS USM have autofocus?

Yes, the Canon RF 100-400mm F5.6-8 IS USM has autofocus.

Does the Canon RF 100-400mm F5.6-8 IS USM have image stabilization?

Yes, the Canon RF 100-400mm F5.6-8 IS USM has optical image stabilization.

How much does the Canon RF 100-400mm F5.6-8 IS USM weigh?

The Canon RF 100-400mm F5.6-8 IS USM weighs 635 g. It is 164.7 mm long with a diameter of 79.5 mm.

What filter size does the Canon RF 100-400mm F5.6-8 IS USM use?

The Canon RF 100-400mm F5.6-8 IS USM takes 67 mm screw-in filters.

How close can the Canon RF 100-400mm F5.6-8 IS USM focus?

The minimum focus distance of the Canon RF 100-400mm F5.6-8 IS USM is 88 cm, measured from the sensor plane.

Is the Canon RF 100-400mm F5.6-8 IS USM a full-frame lens?

Yes, the Canon RF 100-400mm F5.6-8 IS USM covers full frame. On APS-C cameras its field of view equals 160-640 mm in full-frame terms.

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