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Canon RF 10-20mm F4 L IS STM
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Canon · 10-20 mm · f/4 · Canon RF mount

Canon RF 10-20mm F4 L IS STM

From $2,299 — 1 offer
KEY FACTS
BrandCanon
Announcement dateOct 2023
Released2023
Production started2023
Production statusIn Production
What We Like
+World's widest full-frame rectilinear zoom at 10mm with autofocus
+Compact and lightweight at 570g - over half the weight of predecessor EF 11-24mm f/4L USM
+Advanced image stabilization with 5 stops OIS and up to 6 stops with coordinated IBIS
+Excellent sharpness across the frame from center to edges even at extreme 10mm focal length
+Professional L-series build with dust and weather sealing and high-quality engineering
Worth Knowing
−Requires digital correction for massive distortion and vignetting at 10mm - auto-correction must remain activated
−No front filter thread compatibility; only rear gelatine filters supported
−Limited zoom range 10-20mm may feel restrictive compared to 14-35mm alternatives
−Premium pricing at approximately $2,299-$2,399 USD

General

Brand
Canon
Announcement date
ⓘ
Refers to the date the manufacturer publicly announced the upcoming release and general specs of this camera.
Oct 2023
Released
ⓘ
Refers to the year this camera was officially made available for sale.
2023
Production started
2023
Production status
ⓘ
Current status of lens manufacturing (e.g., in production, discontinued).
In Production
Read our notes on general
The Canon RF 10-20mm F4 L IS STM offers a unique zoom range providing impressive image quality that easily matches prime lenses. This is the world's first rectilinear zoom lens with a 10mm focal length and autofocus. Comparatively compact and lightweight, it delivers excellent build quality as a professional L-series lens. The lens requires digital correction due to massive distortion and vignetting at 10mm, but with auto-correction, vignetting becomes moderate and distortions negligible.

Focal length aperture

Minimum Aperture
f/22

Optical design

Lens Elements
16 elements in 12 groups
Special Elements
1 Super UD lens, 3 UD lenses, 3 aspheric lenses
Coatings
ASC (Air Sphere Coating), Super Spectra Coating, SWC (Subwavelength Structure Coating), Fluorine coating

Autofocus

Type
Canon STM (Stepping Motor)
Full Time Manual Focus
Yes

Image stabilization

Optical IS
5 stops (CIPA standard)
Coordinated IS with IBIS
6 stops (with compatible EOS R cameras)

Focus magnification

Maximum Magnification at 10mm
0.06x
Maximum Magnification at 20mm
0.12x

Physical

Diameter x Length
83.7 x 112 mm
Angle of View
130°25' - 94° (diagonal)
Lens weight
570 g
Lens mount
ⓘ
The lens mount will tell you what type of lens range you can fit onto the camera body. Often the same camera company will have different lens ranges for different cameras.
Canon RF

Build features

Filter
No front filter thread; rear-mounted gelatine filter (35x20mm)
Dust/Moisture Resistance
Yes
Lens Hood
Integrated
Control Ring
Yes
Function Button
Yes

Included accessories

Lens Case
LP1219 Lens Pouch
Caps
Lens Cap 10-20, Lens Dust Cap RF
Hood
Integrated

Optics

Min focal length
10 mm
Max focal length
20 mm
Focal range
ⓘ
Shortest to longest focal length of the lens (zoom range start - end )
10-20 mm
Zoom lens
ⓘ
Zoom allows you to vary the focal length, change between long shots and close-ups
Yes
Max aperture wide
4
Max aperture zoom
4
Closest focusing distance
ⓘ
Minimum distance for a subject to be in focus.
25 cm01500