Compare lenses

Fujifilm XF 18-120mm f/4 LM PZ WR vs Tamron 17-70mm f/2.8 Di III-A VC RXD

The Fujifilm XF 18-120mm f/4 LM PZ WR and the Tamron 17-70mm f/2.8 Di III-A VC RXD side by side, computed from this guide's catalogue.

Which to pick

Pick the Fujifilm XF 18-120mm f/4 LM PZ WR if you want more reach (to 180mm equivalent) and a lighter lens (460 g against 525 g). Pick the Tamron 17-70mm f/2.8 Di III-A VC RXD if you want a brighter f/2.8 (1.0 stops more light), for dim light and softer backgrounds; optical stabilisation, which helps most on bodies without it; and a fit on more cameras (106 against 31 in this guide).

Still torn? Ask the guide about the Fujifilm XF 18-120mm f/4 LM PZ WR and the Tamron 17-70mm f/2.8 Di III-A VC RXD

Specs side by side

Rows that differ are in full colour; the better value is marked where one is better by any measure.
SpecFujifilm XF 18-120mm f/4 LM PZ WRTamron 17-70mm f/2.8 Di III-A VC RXD
MakerFujifilmTamron
Focal length18-120mm (zoom)17-70mm (zoom)
Full-frame equivalent27-180mm on APS-C26-105mm on APS-C
Maximum aperturef/4f/2.8brighter
Made forAPS-CAPS-C
MountsFujifilm XSony E, Fujifilm X, Nikon Z, Canon RF
Stabilisednoyesstabilised
Autofocusyesyes
Zoom range6.7×more range4.1×
Weight460 glighter525 g
Cameras it fits31 in this guide106 in this guidefits more cameras

Focal range, in full-frame terms

142435508513520040080027-180mm equiv.Fujifilm
Fujifilm XF 18-120mm f/4 LM PZ WR: 18-120mm on APS-C, like 27-180mm.
142435508513520040080026-105mm equiv.Tamron
Tamron 17-70mm f/2.8 Di III-A VC RXD: 17-70mm on APS-C, like 26-105mm.

Aperture

f/4
Fujifilm XF 18-120mm f/4 LM PZ WR: f/4 wide open.
f/2.8
Tamron 17-70mm f/2.8 Di III-A VC RXD: f/2.8 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

Tamron at 17mm · 70°Fujifilm at 18mm · 67°Tamron at 70mm · 19°Fujifilm at 120mm · 11°
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 Fujifilm XF 18-120mm f/4 LM PZ WR fits 31 and the Tamron 17-70mm f/2.8 Di III-A VC RXD 106.

Fujifilm XF 18-120mm f/4 LM PZ WR

and 21 more

Tamron 17-70mm f/2.8 Di III-A VC RXD

and 96 more

On their own pages