- Capture dramatic perspectives from a highly portable ultra wide zoom that features a rectilinear design to maintain straight lines
- High-quality optics render high resolution, with minimal chromatic aberration and crystal clear details, right into the corners
- Built-in IS provides up to 6-stops image stabilisation when combined with camera body IBIS for handheld shooting in low light
- New STM technology introduced for fast, near silent AF, which is available on an L-series lens for the first time
- L-series quality supports fieldwork with a weather sealed design, high quality optical coatings and customisable controls
Key Features
- Ultra wide zoom with a rectilinear design that maintains straight lines
- 5-stop image stabiliser, rising to 6-stops when combined with camera IBIS
- New STM autofocus for the first time in an L-series lens
- Razor sharp results from advanced optics
- Lens coatings minimise ghosting and flare
- Full-time manual focus override
- Constant f/4 aperture throughout the zoom range
- Dust and moisture resistant design
- Rear gel filter holder
- Customisable button and control ring
- Weighs just 570g
- Read more in our
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Canon RF 10-20mm f/4 L IS STM Lens Summary
With an ultra wide angle zoom range, portable design and superb image quality, the Canon RF 10-20mm f/4 L IS STM Lens is designed primarily for landscape, architecture, interiorsand filmmaking. It joins the range of  with premium L-series characteristics, which are combined with a lightweight design weighing 570g for excellent portability in the field.
 has developed this compact zoom to provide confident autofocus, delivered by a stepping motor, which is available for the first time on an L-series lens. STM technology is optimised for linear focusing, which is ideal for both photography and video recording, as it is able to deliver smooth AF in near silence.
Along with competent AF, the RF 10-20mm f/4L includes a peripheral control image stabiliser capable of reducing camera shake by 5-stops, which rises to 6-stops with an IBIS-equipped . Many Canon bodies offer this capability, from high-end models like the  and , through mid-range hybrid cameras such as the , as well as the APS-C format  and beyond.
An advanced optical formula is responsible for rendering high image quality with razor sharp results, which is achieved by a combination of UD and Super UD glass. This is complemented by a rectilinear optical design to keep lines straight right across the frame, which is especially useful for architectural and interior photography.
Additionally the Canon RF 10-20mm f/4 L IS STM Lens benefits from full-time manual focusing for pinpoint accuracy, a rear gel filter holder, and a customisable control ring and custom button for efficient workflows.
| Offers: Price Drop |
| Offer Category: N/A |
| Offer Product Type: N/A |
| Autofocus: N/A |
| Aperture ring: N/A |
| Constant Aperture: Yes |
| Lens CIPA Image stabilization rating: N/A |
| Colour: N/A |
| Diameter (mm): N/A |
| Length (mm): N/A |
| Weight (g): N/A |
| Distance scale: N/A |
| DoF scale: N/A |
| Elements: N/A |
| Environmental Sealing: N/A |
| Focus distance limiter: N/A |
| Focal length: 10-20 mm |
| Focus method: N/A |
| Filter Thread: N/A |
| Full time manual: N/A |
| Groups: N/A |
| Hood supplied: N/A |
| Lens Image stabilization: N/A |
| Lens mount: N/A |
| Lens Materials: N/A |
| Maximum focal length: 20 |
| Maximum magnification: N/A |
| Maximum aperture (number): 4 |
| Maximum aperture (text): N/A |
| Max Format size: N/A |
| Minimum focal length: 10 |
| Lens Minimum focus distance (m): N/A |
| Minimum aperture (number): N/A |
| Minimum aperture (text): N/A |
| Motor type: N/A |
| Number of diaphragm blades: N/A |
| Power zoom: N/A |
| Special elements / coatings: N/A |
| Tripod collar: N/A |
| Lens type: N/A |
| Wide/Tele: N/A |
| Lens Level: N/A |
| Best For: N/A |
| Best For Holiday and Landscape: Yes |
| Best For Interior and Architecture: Yes |
| Best For Fashion and Portrait: N/A |
| Best For Macro and Still Life: N/A |
| Best For Astro: N/A |
| Best For Street: Yes |
| Best For Wildlife and Sport: N/A |
| Zoom lock: N/A |
| Zoom method: N/A |
| Notes: N/A |


















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