Compare lenses

Sigma 16-300mm f/3.5-6.7 DC OS Contemporary vs Tamron 18-300mm f/3.5-6.3 Di III-A VC VXD

The Sigma 16-300mm f/3.5-6.7 DC OS Contemporary and the Tamron 18-300mm f/3.5-6.3 Di III-A VC VXD side by side, computed from this guide's catalogue.

Which to pick

Pick the Sigma 16-300mm f/3.5-6.7 DC OS Contemporary if you want a wider view (from 24mm equivalent) and a fit on more cameras (131 against 106 in this guide). On these specs the Tamron 18-300mm f/3.5-6.3 Di III-A VC VXD has no clear advantage: choose it if the price, the handling or a lens you own decides it.

Still torn? Ask the guide about the Sigma 16-300mm f/3.5-6.7 DC OS Contemporary and the Tamron 18-300mm f/3.5-6.3 Di III-A VC VXD

Specs side by side

Rows that differ are in full colour; the better value is marked where one is better by any measure.
SpecSigma 16-300mm f/3.5-6.7 DC OS ContemporaryTamron 18-300mm f/3.5-6.3 Di III-A VC VXD
MakerSigmaTamron
Focal length16-300mm (zoom)18-300mm (zoom)
Full-frame equivalent24-450mm on APS-C27-450mm on APS-C
Maximum aperturef/3.5-6.7f/3.5-6.3
Made forAPS-CAPS-C
MountsSony E, Fujifilm X, L-Mount, Canon RF, Nikon ZSony E, Fujifilm X, Nikon Z, Canon RF
Stabilisedyesyes
Autofocusyesyes
Zoom range18.8×more range16.7×
Weight615 g620 g
Cameras it fits131 in this guidefits more cameras106 in this guide

Focal range, in full-frame terms

142435508513520040080024-450mm equiv.Sigma
Sigma 16-300mm f/3.5-6.7 DC OS Contemporary: 16-300mm on APS-C, like 24-450mm.
142435508513520040080027-450mm equiv.Tamron
Tamron 18-300mm f/3.5-6.3 Di III-A VC VXD: 18-300mm on APS-C, like 27-450mm.

Aperture

f/3.5
Sigma 16-300mm f/3.5-6.7 DC OS Contemporary: f/3.5 wide open.
f/3.5
Tamron 18-300mm f/3.5-6.3 Di III-A VC VXD: 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

Sigma at 16mm · 74°Tamron at 18mm · 67°Sigma at 300mm · 5°Tamron at 300mm · 5°
How wide each sees, at each end, on the sensor it was made for.

Cameras they fit

106 cameras in this guide take both, so either works on the same body. In all, the Sigma 16-300mm f/3.5-6.7 DC OS Contemporary fits 131 and the Tamron 18-300mm f/3.5-6.3 Di III-A VC VXD 106.

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

and 121 more

Tamron 18-300mm f/3.5-6.3 Di III-A VC VXD

and 96 more

On their own pages