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RF10-20mm F4 L IS STM
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RF10-20mm F4 L IS STM

SKU
FL10Z
As low as $3,099.99 Regular Price $3,299.99
In Stock
Only %1 left
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  • RF ultra-wide-angle lens for full-frame cameras
  • Incredible 10-20mm coverage for stills and video
  • Excellent image quality with 1 super UD lens, 3 UD lenses, 3 aspheric lenses
  • Subwavelength structure coating (SWC) and Air Sphere Coating (ASC) to reduce ghosting
  • Minimum focus distance of approx. 9.8 in./0.25m with a maximum magnification of 0.12x
  • Canon leadscrew-type STM (stepping motor) focus drive for smooth, quiet video AF operation
  • Optical image stabilization up to 5.0 stops of shake correction and up to 6.0 stops Coordinated IS when paired with EOS R series cameras featuring In-Body Image Stabilizer (IBIS)
  • Rear slot for pre-cut gel filters
  • Petal-type hood integrated into the lens barrel

In the box

Returns Policy

The Canon store will accept, for return of exchange, defective or unopened merchandise purchased at the Canon Online Store within 30 days of the ship date.

See Return Policy for completed information.

RF10-20mm F4 L IS STM is available to buy in increments of 1

Overview

The RF10-20mm F4 L IS STM is a unique ultra-wide-angle lens that gives you corrected, rectilinear coverage to an incredible 10mm with full-frame cameras. Great for still photography and videography, the 10mm ultra-wide-angle effect is outstanding for its dramatic look, lending visual drama to your landscape, interior, architecture, travel, and even photojournalism images. This lens features true L-Series quality with optical and digital corrections for distortion, and optical image stabilization (OIS) for better low-light performance, especially when shooting video. Autofocus is handled by a tried-and-true STM-type focus motor which actually allows the overall lens design to be more compact while still providing rapid AF and smooth focusing during video recording.

RF10-20mm F4 L IS STM - 3Q View with EOS R5RF10-20mm F4 L IS STM - 3Q View with EOS R5

In addition, this lens can achieve image stabilization correction of 6.0 CIPA standard stops* with coordinated IS. The front lens element is coated in Fluorine for added durability, so you can easily wipe away oils and fingerprints. Canon SSC (Super Spectra Coating, and advanced ASC (Air Sphere Coating) and SWC (Subwavelength Structure Coating) technologies to help reduce flare, ghosting and other aberrations. The optical quality of this lens is impressive with 16 elements in 12 groups, including one super UD element, three UD glass elements, and three aspheric elements. This lens also has a minimum focus distance of just under 10 inches at all focal lengths.

SAMPLE IMAGES 

Mountain RangeMountain Range
Person Walking in the StreetPerson Walking in the Street
Person Wearing a Red DressPerson Wearing a Red Dress
Image of a HouseImage of a House
Highway from Under a BridgeHighway from Under a Bridge
Person Standing in a Cool Geometric RoomPerson Standing in a Cool Geometric Room
Backyard of an Apartment ComplexBackyard of an Apartment Complex
Tent in a Mountain RangeTent in a Mountain Range

FEATURES

RF10-20mm F4 L IS STM - 3Q ViewRF10-20mm F4 L IS STM - 3Q View

Modern Design

The design of this lens is geared toward getting the job done efficiently with light weight, fast focusing, image stabilization, and a programmable control ring. There is even a petal-type lens hood built right into the barrel of the lens.

Incredible Dimensions

Capturing images at 10mm is already pretty special, but to do it in a lens that is lighter and smaller than even our own EF11-24mm f/4 L USM is quite a feat. The RF mount design allows for the possibility of this wider-angle lens range and is also a key factor in the size and weight reduction of the lens. This also enables the addition of IS (image stabilization) in a lens that otherwise might not be able to have it.

RF10-20mm F4 L IS STM - Person Holding EOS R5RF10-20mm F4 L IS STM - Person Holding EOS R5
F10-20mm F4 L IS STM - City SkylineF10-20mm F4 L IS STM - City Skyline

Excellent Image Quality

Again, thanks to the Canon RF lens mount, the RF10-20mm F4 L IS STM lens offers great optical quality. Its optical design includes one super UD element, three UD elements and three aspheric elements (including large-diameter aspheric and UD aspheric elements) as well as Subwavelength structure coating (SWC) and Air Sphere Coating (ASC) to reduce ghosting. On top of that, this lens features the same dust- and water- resistance found on L-series lenses with seals around the Control ring, focus ring, zoom ring, operation panel, and lens mount.

Make Some Movies

The RF10-20mm F4 L IS STM lens has a lot of advantages and features when it comes to video. First, you can take full advantage of the 10mm focal length on full-frame cameras, and you can even shoot 4K 60p without crop mode. If you are shooting on an APS-C camera, you’ll have access to wider angles than you ever have before (coverage equivalent to a 16-32mm lens).  Another video advantage is the fixed f/4 aperture, minimizing exposure changes while zooming.

RF10-20mm F4 L IS STM - Person Holding Camera with MicrophoneRF10-20mm F4 L IS STM - Person Holding Camera with Microphone
RF10-20mm F4 L IS STM - Drone Holding CameraRF10-20mm F4 L IS STM - Drone Holding Camera

Optical Image Stabilization - Up to 5.0 stops¹ of Shake Correction

For consistently sharp results, the RF10-20mm F4 L IS STM features built-in optical Image Stabilization, providing enhanced shake reduction for up to 5.0 stops¹ of shake correction. When paired with an EOS R-series camera that has In-Body Image Stabilization (IBIS), the Coordinated IS allows for up to 6.0 stops² of correction.  Steady hand-held video, and incredibly sharp still images, are the benefits of this new RF ultra-wide-angle lens. 

RF10-20mm F4 L IS STM - High Speed Traffic in the CityRF10-20mm F4 L IS STM - High Speed Traffic in the City
RF10-20mm F4 L IS STM - Front X-ray ViewRF10-20mm F4 L IS STM - Front X-ray View

High-speed, Smooth and Quiet Autofocus

With any Canon EOS R-series camera, expect swift and positive autofocus. The STM leadscrew-type focus drive system is especially beneficial to video users, because of its combination of quiet operation and outstanding smoothness of focus changes during actual recording. And AF during still shooting is quick and equally quiet.

Get Close

With a minimum focus distance of just under 10 inches you can capture some really incredible ultra-wide-angle close-ups for a look unlike anything else.

RF10-20mm F4 L IS STM - Fruit Bowl on a TableRF10-20mm F4 L IS STM - Fruit Bowl on a Table

Product Disclaimer

* Based on CIPA (Camera & Imaging Products Association) standards. Testing performed using the EOS R and R3 cameras.

1. At focal length of 20mm with EOS R. Yaw/Pitch directions only.

2. At focal length of 20mm with EOS R3. Yaw/Pitch directions only.

Technical Specifications

Lens

Focal Length
10-20mm
Maximum and Minimum Aperture
f/4 - f/22
Lens Mount Type
RF Mount
Compatible Cameras
Canon EOS R-series, full-frame and APS-C (focal length equivelant to
approx 16-32mm when used on an APS-C camera)
Minimum Focusing Distance
0.25m (9.8 in.)
Maximum Magnification
0.12x (at 20mm)
Field of View, at Minimum Focus Distance
Approx. 520 × 347mm (20.5 x 13.7 in.) at 10mm; 284 x 189 (11.2 x 7.4 in.) at 20mm
Angle of View (Diagonal)
Approx. 130° 25’– 94°

Optical Design

Lens Construction
16 elements in 12 groups
Special Elements
1 super UD lens, 3 UD lenses and 3 aspheric lenses
Lens Coating
Canon SSC (Super Spectra Coating), SWC (Subwavelength structure coating),
ASC (Air Sphere Coating), Fluorine coating.
Filter Size Diameter
None (inserted in gelatin filter holder at the rear of the lens)
Aperture Blades
9
Image Stabilization
5.0 stops correction with In-lens Optical Image Stabilization (6.0 stops correction
with EOS R series in-body coordinated Image stabilization)

Focusing

Focusing Drive System
Canon STM (Leadscrew type STM)
Full-time Manual Focusing
Yes
(Supports both ONE SHOT AF and SERVO AF with compatible EOS R-series
cameras)
Dual Pixel CMOS AF Coverage (Horizontal x Vertical)

• EOS R — Approx. 88% x 100%

• EOS R5 — Approx. 90% x 100% (Approx. 100% x 100% when using face and
tracking-priority)

• EOS R7/R10 — Approx. 90% x 100% (approx. 100% x 100% when subject is
detected, or with Whole Area AF active)

Exterior Design

Control Ring
Yes, with click stops

(click stops can be removed by a Canon service facility, for a fee)
Manual Focus Ring

Electronic ring system

• Full-time Manual focus possible

• No physical limit to ring rotational angle
AF/MF Switch
Yes; AF/MF
MF/Control Ring Switch
No
Distance Scale
None (Electronic distance scale possible in viewfinder or LCD monitor, with
compatible EOS R-series cameras)
Distance Limiter Switch
None
Dust / Weather Resistant Construction
Yes

Dimensions, Weight

Maximum Outer Diameter x Length
Approx. ø3.3 in. (ø83.7mm) x 4.4 in. (112mm)
Weight
Approx. 20.1 oz. / 1.3 lbs. / 570g

Accessories

Lens hood
built into lens body
Lens Cap
(Front) Canon Lens Cap 10-20 (Bundled)
Dust Cap
Canon Lens Dust Cap RF (Bundled)
Lens Case
Canon Lens Case LP1219 (Bundled)
Extension Tubes
None (No Canon RF mount extension tubes)
Close-up Lenses 250D / 500D
Not Compatible
Canon RF Extender 1.4x/2x
Not compatible
Canon Gelatin Filter Holder III/IV
Not compatible — gelatin filter holder on the rear of the lens.
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RF10-20mm F4 L IS STM

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