Ref.: https://www.canon.com.au/camera-lenses/rf-20-50mm-f4l-is-usm-pz
PRESS RELEASE
Canon also introduces the RF 20-50mm f/4L IS USM PZ, its first full-frame RF L-series lens with an internal power zoom.
The zoom ring operates as both a controlled, steady servo zoom while recording video and a manual zoom-by-wire for precise adjustments when capturing stills or filming. Covering a wider-than-standard 20-50mm focal range at a constant f/4 maximum aperture, this incredibly versatile lens is ideal for vlogging, interiors, and capturing superb views without changing lenses.
The RF 20-50mm f/4L IS USM PZ delivers exceptional L-series image quality, featuring UD lens elements, Air Sphere Coating (ASC), and optically suppressed focus breathing to maintain a stable frame during zooming. Weighing just 420g, it offers up to 6-stops5 of optical image stabilisation, ensuring shake-free handheld shooting. Its Nano USM autofocus provides swift, silent, and accurate focusing, down to 0.24 metres.
The professional performance is matched by intuitive on-body controls. These include a customisable Lens Function button, a manual focus ring, and a dedicated Control Ring for instant access to an assigned setting.
Key features of the RF 20-50mm f/4L IS USM PZ:
• Integrated Power Zoom: The first full-frame RF L-series lens with built-in power zoom for seamless video and precise manual control.
• Versatile Focal Range: Wider-than-standard 20-50mm zoom at a constant f/4 maximum aperture, ideal for diverse content.
• Exceptional L-Series Optics: UD elements, ASC, and suppressed focus breathing for pristine, stable image quality.
• Compact & Portable: Lightweight (420g) design for comfortable handheld use.
• Effective Image Stabilisation: Up to 6-stops5 of optical IS for clear, steady results.
• Fast, Silent Autofocus: Nano USM motor for quick, quiet, and accurate focusing.
| Specifications | |
|---|---|
| Optical construction | 13 elements in 11 groups (2x aspherical, 5x UD) |
| Number of aperture blades | 9 (rounded) |
| min. focus distance | 0.24m (max. magnification 0.14 (W) -0.33x (T) ) |
| Dimensions | φ 79.9 × 98.4mm |
| Weight | 420g |
| Filter size | φ 67mm |
| Hood | petal-shaped, included |
| Available Mounts | Canon RF |
| Other features | Image stabilizer (up to 6 f-stops) Power zoom Function button |
| Price | $1,399 USD |

