Compare lenses

Canon RF 24-240mm f/4-6.3 IS USM vs Sigma 16-300mm f/3.5-6.7 DC OS Contemporary

The Canon RF 24-240mm f/4-6.3 IS USM 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 24-240mm f/4-6.3 IS USM if you want coverage of full frame, so it suits the larger-sensor bodies too. 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; a fit on more cameras (131 against 18 in this guide); and a lighter lens (615 g against 750 g).

Still torn? Ask the guide about the Canon RF 24-240mm f/4-6.3 IS USM 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.
SpecCanon RF 24-240mm f/4-6.3 IS USMSigma 16-300mm f/3.5-6.7 DC OS Contemporary
MakerCanonSigma
Focal length24-240mm (zoom)16-300mm (zoom)
Full-frame equivalent24-240mm24-450mm on APS-C
Maximum aperturef/4-6.3f/3.5-6.7brighter
Made forFull frameAPS-C
MountsCanon RFSony E, Fujifilm X, L-Mount, Canon RF, Nikon Z
Stabilisedyesyes
Autofocusyesyes
Zoom range10.0×18.8×more range
Weight750 g615 glighter
Cameras it fits18 in this guide131 in this guidefits more cameras

Focal range, in full-frame terms

142435508513520040080024-240mm equiv.Canon
Canon RF 24-240mm f/4-6.3 IS USM: 24-240mm.
142435508513520040080024-450mm equiv.Sigma
Sigma 16-300mm f/3.5-6.7 DC OS Contemporary: 16-300mm on APS-C, like 24-450mm.

Aperture

f/4
Canon RF 24-240mm f/4-6.3 IS USM: f/4 wide open.
f/3.5
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

Canon at 24mm · 74°Sigma at 16mm · 74°Canon at 240mm · 9°Sigma at 300mm · 5°
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 24-240mm f/4-6.3 IS USM fits 18 and the Sigma 16-300mm f/3.5-6.7 DC OS Contemporary 131.

Canon RF 24-240mm f/4-6.3 IS USM

and 8 more

Sigma 16-300mm f/3.5-6.7 DC OS Contemporary

and 121 more

On their own pages