Compare lenses

Fujifilm XF 50-140mm f/2.8 R LM OIS WR vs Sigma 50-120mm f/2.8 DC OS Contemporary

The Fujifilm XF 50-140mm f/2.8 R LM OIS WR and the Sigma 50-120mm f/2.8 DC OS Contemporary side by side, computed from this guide's catalogue.

Which to pick

Pick the Fujifilm XF 50-140mm f/2.8 R LM OIS WR if you want more reach (to 210mm equivalent). Pick the Sigma 50-120mm f/2.8 DC OS Contemporary if you want a fit on more cameras (90 against 31 in this guide) and a lighter lens (390 g against 995 g).

Still torn? Ask the guide about the Fujifilm XF 50-140mm f/2.8 R LM OIS WR and the Sigma 50-120mm f/2.8 DC OS Contemporary

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 50-140mm f/2.8 R LM OIS WRSigma 50-120mm f/2.8 DC OS Contemporary
MakerFujifilmSigma
Focal length50-140mm (zoom)50-120mm (zoom)
Full-frame equivalent75-210mm on APS-C75-180mm on APS-C
Maximum aperturef/2.8f/2.8
Made forAPS-CAPS-C
MountsFujifilm XSony E, Fujifilm X, Canon RF
Stabilisedyesyes
Autofocusyesyes
Zoom range2.8×more range2.4×
Weight995 g390 glighter
Cameras it fits31 in this guide90 in this guidefits more cameras

Focal range, in full-frame terms

142435508513520040080075-210mm equiv.Fujifilm
Fujifilm XF 50-140mm f/2.8 R LM OIS WR: 50-140mm on APS-C, like 75-210mm.
142435508513520040080075-180mm equiv.Sigma
Sigma 50-120mm f/2.8 DC OS Contemporary: 50-120mm on APS-C, like 75-180mm.

Aperture

f/2.8
Fujifilm XF 50-140mm f/2.8 R LM OIS WR: f/2.8 wide open.
f/2.8
Sigma 50-120mm f/2.8 DC OS Contemporary: 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

Fujifilm at 50mm · 27°Sigma at 50mm · 27°Sigma at 120mm · 11°Fujifilm at 140mm · 10°
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 50-140mm f/2.8 R LM OIS WR fits 31 and the Sigma 50-120mm f/2.8 DC OS Contemporary 90.

Fujifilm XF 50-140mm f/2.8 R LM OIS WR

and 21 more

Sigma 50-120mm f/2.8 DC OS Contemporary

and 80 more

On their own pages