Canon RF 10-20mm ƒ/4 L IS STM Photography Lens with RF-Mount
Canon · RF L-Series
$2,299.00 MSRP
Key Features
- Ultra-Wide Full Frame Coverage
- ƒ/4 Maximum Aperture
- Autofocus
- Optical Image Stabilization
- 1:8.3 Maximum Magnification
- Rear Gel Filter
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In the Box
- 1 × Lens Cap for RF 10-20mm f/4 L IS STM
- 1 × Lens Dust Cap RF
- 1 × LP1219 Soft Lens Case
Overview
The Canon RF 10-20mm ƒ/4 L IS STM Photography Lens with RF-Mount is an ultra-wide 10-20mm zoom covering Full Frame sensors. Ultra-wide coverage takes in a whole room or a whole horizon from close in, which is why architectural and landscape photographers reach for it. A ƒ/4 maximum aperture suits well-lit work and subjects that want more depth of field, closing to ƒ/22. Optical stabilization steadies the frame, widening the range of shutter speeds that can be used handheld. Autofocus lets the camera's own subject detection drive the lens, which is what makes it usable for tracking moving subjects and for video. It mounts via RF-Mount. Closest focus is 9.8 in, for a maximum magnification of 1:8.3.
Features
Key Features
Ultra-Wide Full Frame Coverage
The lens covers Full Frame sensors. An ultra-wide field of view holds an entire landscape or interior in one frame, and is the range architectural and astro work depend on.
ƒ/4 Maximum Aperture
ƒ/4 is a moderate maximum aperture, suited to well-lit conditions and to work that wants deeper depth of field, such as landscape and product photography. It closes to ƒ/22.
Autofocus
The lens focuses under the camera's control, so hybrid shooters can use the body's own subject detection and tracking rather than pulling focus by hand — the difference between catching a moving subject and losing it.
Optical Image Stabilization
Optical stabilization compensates for hand movement, extending the range of shutter speeds usable handheld and steadying the frame for handheld video.
1:8.3 Maximum Magnification
A maximum magnification of 1:8.3 sets how large a small subject renders on the sensor, with a closest focus of 9.8 in.
Rear Gel Filter
The filter mounts at the rear of the lens, against the mount, rather than on the front element — the arrangement used where the front element is too large or too curved to carry a thread, as on ultra-wide and super-telephoto glass.
Optical Design
10-20mm Zoom Range
The 10-20mm range covers a scene without a lens change, which travel, event and documentary work depend on.
Aperture Control
Assignable Aperture Ring
The ring can be assigned to aperture or to another camera function, so the control does not go unused on bodies that set exposure from the body.
Mount & Build
RF-Mount
The lens mounts via RF-Mount, which sets the bodies it fits directly and those it reaches through an adapter.
Electronic Lens Communication
Contacts in the mount pass aperture, focus and focal length between lens and body, so exposure data is recorded to EXIF and in-camera corrections for distortion and vignetting apply automatically.