Canon RF lens
Canon RF10-20mm F4 L IS STM
10–20 mm, f/4, made for full frame, stabilised. It mounts natively on 5 of our APS-C cameras; on the EOS R50 it frames like 16–32 mm.
- 10–20 mm · 16–32 mm equiv. on EOS R50
- f/4
- Rear filter holder
- 570 g
- Stabilised
- Weather-sealed
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On your camera
The view, the weight with the camera (battery and card included) and what the maker says about each pair. It is made for full-frame sensors and covers APS-C with room to spare.
| Camera | View (35 mm equiv.) | With the camera | Fit and maker's notes | Kit |
|---|---|---|---|---|
| Canon EOS R100 | 16–32 mm | 926 g | Fits and works | |
| Canon EOS R50 | 16–32 mm | 945 g | Fits and works | |
| Canon EOS R50 V | 16–32 mm | 940 g | Fits and works | |
| Canon EOS R10 | 16–32 mm | 999 g | Fits and works | |
| Canon EOS R7 | 16–32 mm | 1,182 g | Fits and works |
What it frames
On the EOS R50, to scale
Other wide-angle zooms for Canon RF
The nearest in focal length, with the numbers that differ.
- Tamron 11-20mm F/2.8 Di III-A RXD18–32 mm equiv. · f/2.8 · 340 g (−230 g) · 67 mmCompare
- Canon RF-S10-18mm F4.5-6.3 IS STM16–29 mm equiv. · f/4.5–6.3 · 150 g (−420 g) · 49 mmCompare
- Sigma 10-18mm F2.8 DC DN Contemporary16–29 mm equiv. · f/2.8 · 270 g (−300 g) · 67 mmCompare
- Canon RF-S14-30mm F4-6.3 IS STM PZ22–48 mm equiv. · f/4–6.3 · 181 g (−389 g) · 58 mmCompare
- Canon RF16-28mm F2.8 IS STM26–45 mm equiv. · f/2.8 · 445 g (−125 g) · 67 mmCompare
- Canon RF15-30mm F4.5-6.3 IS STM24–48 mm equiv. · f/4.5–6.3 · 390 g (−180 g) · 67 mmCompare
Questions about this lens
Which cameras does the Canon RF10-20mm F4 L IS STM fit?
5 APS-C cameras in our catalogue: EOS R100, EOS R50, EOS R50 V, EOS R10, EOS R7. It is made for full frame, so it also fits the full-frame cameras on its mount.
What does it frame like on APS-C?
10–20 mm frames like 16–32 mm on the EOS R50 (1.6x).
What filter size does it take?
Rear filter holder.
Where these facts come from
Facts checked 9 Oct 2026 against the makers' specification pages. How we check
Size, weight, filter thread, close focus and magnification are Canon's published figures. We have not tested this lens; for image quality, read reviews from people who have.
Specifications
- Mount
- Canon RF
- Made for
- Full-frame sensors (covers APS-C too)
- Focal length
- 10–20 mm
- Maximum aperture
- f/4
- Lens stabilisation
- Yes
- Weather sealing
- Yes, per the maker
- Filter thread
- Rear filter holder
- Weight
- 570 g
- Size (diameter × length)
- 83.7 × 112 mm
- Closest focus
- 25 cm
- Maximum magnification
- Not published
- Autofocus
- Yes
- Announced
- 2023
- Note
- Rear gelatin filter holder; built-in hood