Lens Details
Canon
RF20-50mm F4 L IS USM PZ
$1,399~
MSRP (prices vary)
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Released: June 18, 2026
Who it's for
The Canon RF20-50mm F4 L IS USM PZ is a 20-50mm f/4 zoom lens — a standard option. Here's what it's best at and what to keep in mind.
Best for
- ✓Landscapes, interiors and architecture — a wide 20mm field of view.
- ✓Handheld stills and video — optical stabilisation smooths shake.
- ✓Outdoor and travel use — a weather-sealed build.
Keep in mind
- !Aperture tops out at f/4 — less low-light headroom and background blur than faster lenses.
20-50mm
Focal Length
f/4
Max Aperture
Full-Frame
Coverage
○
Stabilized
420g
Weight
67mm
Filter
Full Specifications
Optical Design
| Focal Length | 20-50mm |
|---|---|
| Lens Type | Zoom |
| Optical Elements | 13 |
| Optical Groups | 11 |
Aperture & Iris
| Maximum Aperture | f/4 |
|---|---|
| Minimum Aperture | f/22 |
| Aperture Blades | 9 |
| Rounded Aperture | Yes |
Coverage & Angle
| Format Coverage | Full-Frame |
|---|---|
| Lens Mount | Canon RF |
| Angle of View | 94° – 46° |
| 35mm Equivalent | − |
Focus
| Autofocus | Yes |
|---|---|
| Focus Motor | Nano USM |
| Focus Limiter | No |
| AF/MF Switch | Yes |
| Min Focus Distance | − |
| Max Magnification | − |
Stabilization & Video
| Optical Stabilization | Yes |
|---|---|
| Aperture Ring | No |
| Declickable Aperture | No |
| Parfocal | Yes |
| Internal Zoom | Yes |
General
| Price (MSRP) | $1,399 |
|---|---|
| Filter Size | 67mm |
| Diameter | − |
| Length | − |
| Weight | 420g (14.8 oz) |
| Weather Sealed | Yes |
| Tripod Collar | No |
