Compare lenses

Canon RF 24mm f/1.4L VCM vs Sigma 15mm f/1.4 DC Contemporary

The Canon RF 24mm f/1.4L VCM and the Sigma 15mm f/1.4 DC Contemporary side by side, computed from this guide's catalogue.

Which to pick

Pick the Canon RF 24mm f/1.4L VCM if you want coverage of full frame, so it suits the larger-sensor bodies too. Pick the Sigma 15mm f/1.4 DC Contemporary if you want a design for APS-C, which usually means smaller and lighter; a fit on more cameras (90 against 18 in this guide); and a lighter lens (220 g against 525 g).

Still torn? Ask the guide about the Canon RF 24mm f/1.4L VCM and the Sigma 15mm f/1.4 DC Contemporary

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 24mm f/1.4L VCM	Sigma 15mm f/1.4 DC Contemporary
Maker	Canon	Sigma
Focal length	24mm (prime)	15mm (prime)
Full-frame equivalent	24mm	22mm on APS-C
Maximum aperture	f/1.4	f/1.4
Made for	Full frame	APS-C
Mounts	Canon RF	Sony E, Fujifilm X, Canon RF
Stabilised	no	no
Autofocus	yes	yes
Weight	525 g	220 glighter
Cameras it fits	18 in this guide	90 in this guidefits more cameras

Focal range, in full-frame terms

Canon RF 24mm f/1.4L VCM: 24mm.

Sigma 15mm f/1.4 DC Contemporary: 15mm on APS-C, like 22mm.

Aperture

Canon RF 24mm f/1.4L VCM: f/1.4 wide open.

Sigma 15mm f/1.4 DC Contemporary: f/1.4 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. In all, the Canon RF 24mm f/1.4L VCM fits 18 and the Sigma 15mm f/1.4 DC Contemporary 90.