Compare lenses

Sony FE 100-400mm f/5.6-8 OSS vs Tamron 50-400mm f/4.5-6.3 Di III VC VXD

The Sony FE 100-400mm f/5.6-8 OSS and the Tamron 50-400mm f/4.5-6.3 Di III VC VXD side by side, computed from this guide's catalogue.

Which to pick

Pick the Sony FE 100-400mm f/5.6-8 OSS if you want a lighter lens (654 g against 1155 g). Pick the Tamron 50-400mm f/4.5-6.3 Di III VC VXD if you want a brighter f/4.5 (0.6 stops more light), for dim light and softer backgrounds; a wider view (from 50mm equivalent); and a fit on more cameras (57 against 41 in this guide).

Still torn? Ask the guide about the Sony FE 100-400mm f/5.6-8 OSS and the Tamron 50-400mm f/4.5-6.3 Di III 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.
Spec	Sony FE 100-400mm f/5.6-8 OSS	Tamron 50-400mm f/4.5-6.3 Di III VC VXD
Maker	Sony	Tamron
Focal length	100-400mm (zoom)	50-400mm (zoom)
Full-frame equivalent	100-400mm	50-400mm
Maximum aperture	f/5.6-8	f/4.5-6.3brighter
Made for	Full frame	Full frame
Mounts	Sony E	Sony E, Nikon Z
Stabilised	yes	yes
Autofocus	yes	yes
Zoom range	4.0×	8.0×more range
Weight	654 glighter	1155 g
Cameras it fits	41 in this guide	57 in this guidefits more cameras

Focal range, in full-frame terms

Sony FE 100-400mm f/5.6-8 OSS: 100-400mm.

Tamron 50-400mm f/4.5-6.3 Di III VC VXD: 50-400mm.

Aperture

Sony FE 100-400mm f/5.6-8 OSS: f/5.6 wide open.

Tamron 50-400mm f/4.5-6.3 Di III VC VXD: f/4.5 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

41 cameras in this guide take both, so either works on the same body. In all, the Sony FE 100-400mm f/5.6-8 OSS fits 41 and the Tamron 50-400mm f/4.5-6.3 Di III VC VXD 57.