Compare lenses

Canon RF 28-70mm f/2.8 IS STM vs Canon RF 28-70mm f/2L USM

The Canon RF 28-70mm f/2.8 IS STM and the Canon RF 28-70mm f/2L USM side by side, computed from this guide's catalogue.

Which to pick

Pick the Canon RF 28-70mm f/2.8 IS STM if you want optical stabilisation, which helps most on bodies without it and a lighter lens (495 g against 1430 g). Pick the Canon RF 28-70mm f/2L USM if you want a brighter f/2 (1.0 stops more light), for dim light and softer backgrounds.

Still torn? Ask the guide about the Canon RF 28-70mm f/2.8 IS STM and the Canon RF 28-70mm f/2L 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 28-70mm f/2.8 IS STM	Canon RF 28-70mm f/2L USM
Maker	Canon	Canon
Focal length	28-70mm (zoom)	28-70mm (zoom)
Full-frame equivalent	28-70mm	28-70mm
Maximum aperture	f/2.8	f/2brighter
Made for	Full frame	Full frame
Mounts	Canon RF	Canon RF
Stabilised	yesstabilised	no
Autofocus	yes	yes
Zoom range	2.5×	2.5×
Weight	495 glighter	1430 g
Cameras it fits	18 in this guide	18 in this guide

Focal range, in full-frame terms

Canon RF 28-70mm f/2.8 IS STM: 28-70mm.

Canon RF 28-70mm f/2L USM: 28-70mm.

Aperture

Canon RF 28-70mm f/2.8 IS STM: f/2.8 wide open.

Canon RF 28-70mm f/2L USM: f/2 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.