Compare lenses

Canon RF 20-50mm f/4L IS USM PZ vs Canon RF 24-70mm f/2.8L IS USM

The Canon RF 20-50mm f/4L IS USM PZ and the Canon RF 24-70mm f/2.8L IS USM side by side, computed from this guide's catalogue.

Which to pick

Pick the Canon RF 20-50mm f/4L IS USM PZ if you want a wider view (from 20mm equivalent) and a lighter lens (420 g against 900 g). Pick the Canon RF 24-70mm f/2.8L IS USM if you want a brighter f/2.8 (1.0 stops more light), for dim light and softer backgrounds and more reach (to 70mm equivalent).

Still torn? Ask the guide about the Canon RF 20-50mm f/4L IS USM PZ and the Canon RF 24-70mm f/2.8L IS USM

Specs side by side

Rows that differ are in full colour; the better value is marked where one is better by any measure.
Spec	Canon RF 20-50mm f/4L IS USM PZ	Canon RF 24-70mm f/2.8L IS USM
Maker	Canon	Canon
Focal length	20-50mm (zoom)	24-70mm (zoom)
Full-frame equivalent	20-50mm	24-70mm
Maximum aperture	f/4	f/2.8brighter
Made for	Full frame	Full frame
Mounts	Canon RF	Canon RF
Stabilised	yes	yes
Autofocus	yes	yes
Zoom range	2.5×	2.9×more range
Weight	420 glighter	900 g
Cameras it fits	18 in this guide	18 in this guide

Focal range, in full-frame terms

Canon RF 20-50mm f/4L IS USM PZ: 20-50mm.

Canon RF 24-70mm f/2.8L IS USM: 24-70mm.

Aperture

Canon RF 20-50mm f/4L IS USM PZ: f/4 wide open.

Canon RF 24-70mm f/2.8L IS USM: f/2.8 wide open.

Each opening drawn to scale against f/1.4: a smaller f-number lets in more light and blurs the background more.

Field of view

How wide each sees, at each end, on the sensor it was made for.

Cameras they fit

18 cameras in this guide take both, so either works on the same body.