Compare lenses

Canon RF 24-105mm f/4-7.1 IS STM vs Sigma 16-300mm f/3.5-6.7 DC OS Contemporary

The Canon RF 24-105mm f/4-7.1 IS STM and the Sigma 16-300mm f/3.5-6.7 DC OS Contemporary side by side, computed from this guide's catalogue.

Which to pick

Pick the Canon RF 24-105mm f/4-7.1 IS STM if you want coverage of full frame, so it suits the larger-sensor bodies too and a lighter lens (395 g against 615 g). Pick the Sigma 16-300mm f/3.5-6.7 DC OS Contemporary if you want a brighter f/3.5 (0.4 stops more light), for dim light and softer backgrounds; more reach (to 450mm equivalent); a design for APS-C, which usually means smaller and lighter; and a fit on more cameras (131 against 18 in this guide).

Still torn? Ask the guide about the Canon RF 24-105mm f/4-7.1 IS STM and the Sigma 16-300mm f/3.5-6.7 DC OS 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 24-105mm f/4-7.1 IS STM	Sigma 16-300mm f/3.5-6.7 DC OS Contemporary
Maker	Canon	Sigma
Focal length	24-105mm (zoom)	16-300mm (zoom)
Full-frame equivalent	24-105mm	24-450mm on APS-C
Maximum aperture	f/4-7.1	f/3.5-6.7brighter
Made for	Full frame	APS-C
Mounts	Canon RF	Sony E, Fujifilm X, L-Mount, Canon RF, Nikon Z
Stabilised	yes	yes
Autofocus	yes	yes
Zoom range	4.4×	18.8×more range
Weight	395 glighter	615 g
Cameras it fits	18 in this guide	131 in this guidefits more cameras

Focal range, in full-frame terms

Canon RF 24-105mm f/4-7.1 IS STM: 24-105mm.

Sigma 16-300mm f/3.5-6.7 DC OS Contemporary: 16-300mm on APS-C, like 24-450mm.

Aperture

Canon RF 24-105mm f/4-7.1 IS STM: f/4 wide open.

Sigma 16-300mm f/3.5-6.7 DC OS Contemporary: f/3.5 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 24-105mm f/4-7.1 IS STM fits 18 and the Sigma 16-300mm f/3.5-6.7 DC OS Contemporary 131.