Canon RF 10-20mm F4L IS STM

Inject some drama into your photography and filmmaking – simply superb for landscapes, architecture and interiors.

Broaden your creative horizons

Rethink what you know about ultrawide angle lenses. The RF 10-20mm F4L IS STM is the widest-angle AF zoom in the world,1 offering class-leading image quality and portability. Yet another example of how the Canon EOS R system is changing the game for professional photographers and filmmakers.

How you could use yours

Landscape

Include more foreground detail for powerful compositions.

Architecture

Show buildings in context by putting more into the frame.

Sports

Take an unusual view and stand out from the crowd.

Astrophotography

Shoot even more expansive views of the night sky.

Interiors

Put more in the frame, especially in tight spaces.

Photojournalism

Get close and shoot wide for powerful, immersive images.

Filmmaking

Go even wider with establishing shots and point-of-view footage.

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See the world at 10mm

The RF 10-20mm F4L IS STM is the widest AF zoom ever made for a full-frame camera1, with a huge angle of view of up to 130˚, letting you put 16% more in the frame than a 12mm lens. Shoot immersive perspectives at close quarters and make foreground objects work harder in your landscape work.

10mm

12mm

Exaggerated perspective

Wide-angle focal lengths exaggerate the distance between objects, giving photos and video a sense of depth. The RF 10-20mm F4L IS STM takes this to the next level – get in close and shoot ultrawide for a dramatically different view of the world.

RF-10-20mm
RF-10-20mm

Ultrawide, ultra-portable

The advanced nature of the RF lens mount allowed us to design the most portable AF ultrawide ever, without compromising on quality or performance. At just 570g, it weighs 610g less than our EF 11-24mm f4L USM lens, despite offering a wider angle of view and an optical Image Stabilizer.

Steady and stable

Ultrawide lenses have many benefits, but a common problem is that image stabilisation in the far corners of the frame is hard to achieve without distortion. As a result, the corners of the frame can appear to be wobbly in video and blurred in still images. Peripheral Coordinated Control IS is designed to reduce distortion by using a new algorithm detects shake and maximises the lens’ optical IS to compensate for distortion.2

RF 10-20mm F4L IS STM – WITH DIGITAL MOVIE IS

RF 14-35mm F4L IS USM – WITH NORMAL IS

Every detail, perfectly reproduced

Expect incredible clarity and low distortion, with straight lines remaining straight even at the edges of the frame. Superb sharpness comes from an advanced optical formula that uses glass moulded aspherical elements, UD and Super UD glass, and state-of-the-art optical coatings.

RF-10-20mm
RF-10-20mm

Smooth and quiet focusing

Optimised STM autofocus delivers a professional performance – focusing quickly and accurately in virtual silence. Filmmakers will love its smooth video focusing.

Built for the pros

Even in the most challenging conditions, the RF 10-20mm F4L IS STM shines. Its weather resistant L series construction satisfies the demands of professionals and ensures this lens will last for years.

RF-10-20mm

See the possibilities

Get to know the RF 10-20mm F4L IS STM and see what this remarkable lens can do for your creativity.

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      Specifications

      • Constant f/4 max aperture

        For consistent exposures throughout the zoom range, for photo and video.

      • Weighs just 570g

        So you can take it with you more often.

      • STM autofocus

        Optimised, smooth, near-silent focusing for stills and video.

      • Peripheral Coordinated Control IS

        Stabilises photos and video – right to the corners of the frame.

      • Glass moulded aspherical elements

        Plus three UD elements and a Super UD element for superb quality.

      • Rear Filter holder

        Use ND filters for video work and long exposures.

      • Lens Function button

        Ergonomic, for instinctive shooting.

      RF 10-20mm F4L IS STM Compared

      RF 10-20mm F4L IS STM

      RF 10-20mm F4L IS STM

      EF 11-24mm f/4L USM

      EF 11-24mm f/4L USM

      Angle of view (diag)

      130˚ at 10mm, 94˚ at 20mm
      126˚05’ at 11mm, 84˚ at 24mm

      Lens construction

      16 elements in 12 groups
      16 elements in 11 groups

      Special optics

      3x GMo aspherical elements
      3x UD elements
      1x Super UD element
      1x ground aspherical
      3x GMo aspherical elements
      3x UD elements
      1x Super UD element

      Number of diaphragm blades

      Nine
      Nine

      Aperture range

      f/4 to f/22
      f/4 to f/22

      Closest focus distance

      0.25mm
      0.28mm

      Maximum magnification

      0.12x
      0.16x

      Control ring

      Yes, customisable
      No

      Lens Function button

      Yes, customisable
      No

      Image Stabilizer

      Yes, 5 stops (6 stops with IBIS)
      No

      Autofocus

      Yes, STM
      Yes, USM

      Coatings

      ASC, Super Spectra, SWC
      ASC, Super Spectra, SWC

      Dust and moisture resistance

      Yes, L-series construction
      Yes, L-series construction

      Filter mount

      Rear-mounted gelatine
      35x20mm
      Rear-mounted gelatine

      Diameter x length

      83.7 x 112mm
      108mm x 132mm

      Weight

      570g
      1180g

      RF 10-20mm F4L IS STM

      What’s in the box?

      • RF 10-20mm F4L IS STM

      • LENS DUST CAP RF

      • LENS CAP 10-20

      • LENS CASE LP1219

      • User Manual (EUR)

      • Box (W/W)

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      1. Based on Canon research of Full frame coverage lenses with Auto focus, excluding fisheye lenses , dated 11th Oct’23
      2. Under extreme movement during video it is recommended to use the movie IS function of the cameras