Compare lenses

Tamron 50-400mm f/4.5-6.3 Di III VC VXD vs Tamron 70-300mm f/4.5-6.3 Di III RXD

The Tamron 50-400mm f/4.5-6.3 Di III VC VXD and the Tamron 70-300mm f/4.5-6.3 Di III RXD side by side, computed from this guide's catalogue.

Which to pick

Pick the Tamron 50-400mm f/4.5-6.3 Di III VC VXD if you want optical stabilisation, which helps most on bodies without it; more reach (to 400mm equivalent); and a wider view (from 50mm equivalent). Pick the Tamron 70-300mm f/4.5-6.3 Di III RXD if you want a lighter lens (545 g against 1155 g).

Still torn? Ask the guide about the Tamron 50-400mm f/4.5-6.3 Di III VC VXD and the Tamron 70-300mm f/4.5-6.3 Di III RXD

Specs side by side

Rows that differ are in full colour; the better value is marked where one is better by any measure.
Spec	Tamron 50-400mm f/4.5-6.3 Di III VC VXD	Tamron 70-300mm f/4.5-6.3 Di III RXD
Maker	Tamron	Tamron
Focal length	50-400mm (zoom)	70-300mm (zoom)
Full-frame equivalent	50-400mm	70-300mm
Maximum aperture	f/4.5-6.3	f/4.5-6.3
Made for	Full frame	Full frame
Mounts	Sony E, Nikon Z	Sony E, Nikon Z
Stabilised	yesstabilised	no
Autofocus	yes	yes
Zoom range	8.0×more range	4.3×
Weight	1155 g	545 glighter
Cameras it fits	57 in this guide	57 in this guide

Focal range, in full-frame terms

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

Tamron 70-300mm f/4.5-6.3 Di III RXD: 70-300mm.

Aperture

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

Tamron 70-300mm f/4.5-6.3 Di III RXD: 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

57 cameras in this guide take both, so either works on the same body.