Canon RF 10-20mm F4L IS STM
Lens for Canon RF · Announced October 2023
Official site on usa.canon.com (opens the maker's site in a new tab)
- Full frame lens
- Ultra-wide
Lowest new
£2,386
at Harrison Cameras
Lowest used/refurb
—
- Zoom range: 10–20mm, Full frame lens
- Max aperture: f/4, Constant through the zoom
- Optical stabilisation: Built in
- Autofocus motor: STM
- Weight: 570 g
- Weather sealing: Sealed
- Max magnification: 0.12×, Focuses to 0.25 m
Where to buy the RF 10-20mm F4L IS STM in United Kingdom
Harrison Cameras
New · In stock
Canon RF version
£2,386
Sorted by price, cheapest in-stock first. Some links earn us a commission; it never changes the order.
Price around the world
Cheapest in Singapore: about 35% under the UK price before shipping and import tax.
Prices are in each market's own currency. Under each: ≈ in GBP at today's exchange rate.
| Market | Lowest new | Lowest used/refurb |
|---|---|---|
| United States | $2,399≈ £1,799 | $2,138.95≈ £1,604 |
| United Kingdom(you) | £2,386 | — |
| Europe | — | — |
| Australia | A$3,314.99≈ £1,730 | — |
| SingaporeCheapest | S$2,650≈ £1,553 | — |
Each price is in its own currency, as the store charges it. The ≈ figures are approximate, at today's exchange rate (ECB reference rates, 2026-10-16), rounded, and leave out shipping, import duty, GST/VAT and card fees. A camera bought abroad may not carry a local warranty: see grey-market cameras before you buy.
Price history
Price history starts the day we first price this product here; a chart appears after the second day.
Used: what it should be worth
No used RF 10-20mm F4L IS STM listings at the stores we track yet. A "should be worth" value appears after a week of used prices.
From used and refurbished asking prices at the stores we track, checked every few hours. Confirmed eBay sale prices will be added once eBay grants us access to its sold-listings data.
Cameras it fits
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Full frame · 19 MP · 2024
- 6K video
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Canon
EOS R1
Full frame · 24.2 MP · 2024
- IBIS
- 6K video
Canon
EOS R5 Mark II
Full frame · 45 MP · 2024
- IBIS
- 8K video
Canon
EOS C400
Full frame · 19 MP · 2024
- 6K video
Canon
EOS R100
APS-C · 24.1 MP · 2023
- 4K 25p
- 356 g
Canon
EOS R50
APS-C · 24.2 MP · 2023
- 4K 30p
- 15 fps
Canon
EOS R8
Full frame · 24.2 MP · 2023
- 4K 60p
- 40 fps
Reviews
Read what reviewers found. Each link opens that site's search for the RF 10-20mm F4L IS STM.
- Digital Camera WorldReviews and buying guides
- Camera LabsLens reviews with sharpness tests
- Imaging ResourceLab and field tests
- Amateur PhotographerReviews and verdicts
- YouTubeVideo reviews
- Reddit r/photographyOwners' opinions
RF 10-20mm F4L IS STM specifications
Optics
- Focal length
- 10–20mm
- 35mm equivalent
- 10–20mm (full frame)
- Maximum aperture
- f/4
- Minimum aperture
- f/22
- Made for
- Full frame
- Elements / groups
- 16 / 12
- Aperture blades
- 9
- Closest focus
- 0.25 m
- Max magnification
- 0.12×
Focus & handling
- Autofocus
- Yes (STM)
- Optical stabilisation
- Yes
- Weather sealed
- Yes
- Internal zoom
- Yes
- Aperture ring
- No
- Teleconverter compatible
- No
Size & weight
- Weight
- 570 g
- Diameter × length
- 83.7 × 112 mm
- Filter thread
- —
Discussion · RF 10-20mm F4L IS STM
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