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Canon RF 10-20mm F4 L IS STM

Canon RF Autofocus OIS

Canon RF 10-20mm F4 L IS STM

Focal length
10–20 mm
Aperture
f/4
Weight
570 g
Filter diameter
–
Min. focus distance
25 cm
Length
112 mm
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At a Glance

This ultra-wide zoom covers 10-20 mm on Canon RF full frame and keeps a constant f/4 aperture throughout the range. It carries an optical stabilizer and weather sealing, and weighs 570 g. The very wide field of view suits landscapes, architecture and interiors, while the minimum focus distance is 25 cm.

Good for

  • Landscape
  • Architecture
  • Interiors

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

Technical Specifications

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Min. focal length
10 mm
Max. focal length
20 mm
Max. aperture (min. zoom)
f/4
Max. aperture (max. zoom)
f/4
Min. aperture
f/22
Elements
16
Groups
12
Weight
570 g (1.26 lb)
Filter diameter
–
Min. focus distance
25 cm (entire zoom range)
Max. magnification
1:16.7 at 10 mm · 1:8.3 at 20 mm
Length
112 mm (4.41 in)
Diameter
84 mm (3.31 in)
Released
October 2023

Manufacturer data: canon-europe.com, usa.canon.com

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 10-20mm F4 L IS STM fit?

The Canon RF 10-20mm F4 L IS STM 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 16-32 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 10-20mm F4 L IS STM compared

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

LensCanon RF 10-20mm F4 L IS STMCanon RF-S 10-18mm F4.5-6.3 IS STMTamron 11-20mm F/2.8 Di III-A RXDSigma 10-18mm F2.8 DC DN
Focal length10-20 mm10-18 mm11-20 mm10-18 mm
Max. aperturef/4f/4.5-6.3f/2.8f/2.8
Weight570 g150 g340 g270 g
Filter diameter–49 mm67 mm67 mm
Min. focus distance25 cm8.6 cm15 cm11.6 cm
Length112 mm44.9 mm84 mm62 mm
Autofocusyesyesyesyes
Image stabilizationyesyesnono
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Canon RF 10-20mm F4 L IS STM: FAQ

Does the Canon RF 10-20mm F4 L IS STM have autofocus?

Yes, the Canon RF 10-20mm F4 L IS STM has autofocus.

Does the Canon RF 10-20mm F4 L IS STM have image stabilization?

Yes, the Canon RF 10-20mm F4 L IS STM has optical image stabilization.

How much does the Canon RF 10-20mm F4 L IS STM weigh?

The Canon RF 10-20mm F4 L IS STM weighs 570 g. It is 112 mm long with a diameter of 84 mm.

How close can the Canon RF 10-20mm F4 L IS STM focus?

The minimum focus distance of the Canon RF 10-20mm F4 L IS STM is 25 cm, measured from the sensor plane.

Is the Canon RF 10-20mm F4 L IS STM a full-frame lens?

Yes, the Canon RF 10-20mm F4 L IS STM covers full frame. On APS-C cameras its field of view equals 16-32 mm in full-frame terms.

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