Compare lenses

Sigma 18-300mm f/3.5-6.3 DC Macro OS HSM Contemporary vs Tamron 16-300mm f/3.5-6.3 Di II VC PZD Macro

The Sigma 18-300mm f/3.5-6.3 DC Macro OS HSM Contemporary and the Tamron 16-300mm f/3.5-6.3 Di II VC PZD Macro side by side, computed from this guide's catalogue.

Which to pick

Pick the Sigma 18-300mm f/3.5-6.3 DC Macro OS HSM Contemporary if you want a fit on more cameras (51 against 31 in this guide). Pick the Tamron 16-300mm f/3.5-6.3 Di II VC PZD Macro if you want a wider view (from 24mm equivalent).

Still torn? Ask the guide about the Sigma 18-300mm f/3.5-6.3 DC Macro OS HSM Contemporary and the Tamron 16-300mm f/3.5-6.3 Di II VC PZD Macro

Specs side by side

Rows that differ are in full colour; the better value is marked where one is better by any measure.
Spec	Sigma 18-300mm f/3.5-6.3 DC Macro OS HSM Contemporary	Tamron 16-300mm f/3.5-6.3 Di II VC PZD Macro
Maker	Sigma	Tamron
Focal length	18-300mm (macro)	16-300mm (macro)
Full-frame equivalent	27-450mm on APS-C	24-450mm on APS-C
Maximum aperture	f/3.5-6.3	f/3.5-6.3
Made for	APS-C	APS-C
Mounts	Canon EF, Nikon F, Pentax K	Canon EF, Nikon F
Stabilised	yes	yes
Autofocus	yes	yes
Zoom range	16.7×	18.8×more range
Cameras it fits	51 in this guidefits more cameras	31 in this guide

Focal range, in full-frame terms

Sigma 18-300mm f/3.5-6.3 DC Macro OS HSM Contemporary: 18-300mm on APS-C, like 27-450mm.

Tamron 16-300mm f/3.5-6.3 Di II VC PZD Macro: 16-300mm on APS-C, like 24-450mm.

Aperture

Sigma 18-300mm f/3.5-6.3 DC Macro OS HSM Contemporary: f/3.5 wide open.

Tamron 16-300mm f/3.5-6.3 Di II VC PZD Macro: 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

31 cameras in this guide take both, so either works on the same body. In all, the Sigma 18-300mm f/3.5-6.3 DC Macro OS HSM Contemporary fits 51 and the Tamron 16-300mm f/3.5-6.3 Di II VC PZD Macro 31.