Canon RF lens
Canon RF20-50mm F4 L IS USM PZ
20–50 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 32–80 mm.
- 20–50 mm · 32–80 mm equiv. on EOS R50
- f/4
- 67 mm filter
- 420 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 | 32–80 mm | 776 g | Fits and works | |
| Canon EOS R50 | 32–80 mm | 795 g | Fits and works | |
| Canon EOS R50 V | 32–80 mm | 790 g | Fits and works | |
| Canon EOS R10 | 32–80 mm | 849 g | Fits and works | |
| Canon EOS R7 | 32–80 mm | 1,032 g | Fits and works |
What it frames
On the EOS R50, to scale
Other everyday and travel zooms for Canon RF
The nearest in focal length, with the numbers that differ.
- Sigma 18-50mm F2.8 DC DN Contemporary29–80 mm equiv. · f/2.8 · 300 g (−120 g) · 55 mmCompare
- Canon RF24-50mm F4.5-6.3 IS STM38–80 mm equiv. · f/4.5–6.3 · 210 g (−210 g) · 58 mmCompare
- Canon RF-S18-45mm F4.5-6.3 IS STM29–72 mm equiv. · f/4.5–6.3 · 130 g (−290 g) · 49 mmCompare
- Sigma 17-40mm F1.8 DC Art27–64 mm equiv. · f/1.8 · 560 g (+140 g) · 67 mmCompare
- Tamron 17-70mm F/2.8 Di III-A VC RXD27–112 mm equiv. · f/2.8 · 530 g (+110 g) · 67 mmCompare
- Canon RF24-70mm F2.8 L IS USM38–112 mm equiv. · f/2.8 · 900 g (+480 g) · 82 mmCompare
Questions about this lens
Which cameras does the Canon RF20-50mm F4 L IS USM PZ 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?
20–50 mm frames like 32–80 mm on the EOS R50 (1.6x).
What filter size does it take?
67 mm screw-in filters. Every lens with a 67 mm thread.
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
- 20–50 mm
- Maximum aperture
- f/4
- Lens stabilisation
- Yes
- Weather sealing
- Yes, per the maker
- Filter thread
- 67 mm
- Weight
- 420 g
- Size (diameter × length)
- 79.9 × 94.4 mm
- Closest focus
- Not published
- Maximum magnification
- Not published
- Autofocus
- Yes
- Announced
- 2026
- Note
- Power zoom