Compare lenses

Nikon Z 100-400mm f/4.5-5.6 VR S vs Tamron 70-300mm f/4.5-6.3 Di III RXD

The Nikon Z 100-400mm f/4.5-5.6 VR S 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 Nikon Z 100-400mm f/4.5-5.6 VR S if you want optical stabilisation, which helps most on bodies without it and more reach (to 400mm equivalent). Pick the Tamron 70-300mm f/4.5-6.3 Di III RXD if you want a wider view (from 70mm equivalent), a fit on more cameras (57 against 16 in this guide) and a lighter lens (545 g against 1435 g).

Still torn? Ask the guide about the Nikon Z 100-400mm f/4.5-5.6 VR S 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	Nikon Z 100-400mm f/4.5-5.6 VR S	Tamron 70-300mm f/4.5-6.3 Di III RXD
Maker	Nikon	Tamron
Focal length	100-400mm (zoom)	70-300mm (zoom)
Full-frame equivalent	100-400mm	70-300mm
Maximum aperture	f/4.5-5.6	f/4.5-6.3
Made for	Full frame	Full frame
Mounts	Nikon Z	Sony E, Nikon Z
Stabilised	yesstabilised	no
Autofocus	yes	yes
Zoom range	4.0×	4.3×
Weight	1435 g	545 glighter
Cameras it fits	16 in this guide	57 in this guidefits more cameras

Focal range, in full-frame terms

Nikon Z 100-400mm f/4.5-5.6 VR S: 100-400mm.

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

Aperture

Nikon Z 100-400mm f/4.5-5.6 VR S: 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

16 cameras in this guide take both, so either works on the same body. In all, the Nikon Z 100-400mm f/4.5-5.6 VR S fits 16 and the Tamron 70-300mm f/4.5-6.3 Di III RXD 57.