Compare lenses

Fujifilm MKX 50-135mm T2.9 vs Fujifilm XF 18-120mm f/4 LM PZ WR

The Fujifilm MKX 50-135mm T2.9 and the Fujifilm XF 18-120mm f/4 LM PZ WR side by side, computed from this guide's catalogue.

Which to pick

Pick the Fujifilm MKX 50-135mm T2.9 if you want a brighter f/2.9 (0.9 stops more light), for dim light and softer backgrounds. Pick the Fujifilm XF 18-120mm f/4 LM PZ WR if you want autofocus, a wider view (from 27mm equivalent) and a lighter lens (460 g against 1100 g).

Still torn? Ask the guide about the Fujifilm MKX 50-135mm T2.9 and the Fujifilm XF 18-120mm f/4 LM PZ WR

Specs side by side

Rows that differ are in full colour; the better value is marked where one is better by any measure.
SpecFujifilm MKX 50-135mm T2.9Fujifilm XF 18-120mm f/4 LM PZ WR
MakerFujifilmFujifilm
Focal length50-135mm (zoom)18-120mm (zoom)
Full-frame equivalent75-202mm on APS-C27-180mm on APS-C
Maximum aperturef/2.9brighterf/4
Made forAPS-CAPS-C
MountsFujifilm XFujifilm X
Stabilisednono
Autofocusno, manual focusyesautofocus
Zoom range2.7×6.7×more range
Weight1100 g460 glighter
Cameras it fits31 in this guide31 in this guide

Focal range, in full-frame terms

142435508513520040080075-202mm equiv.MKX 50-135mm T2.9
Fujifilm MKX 50-135mm T2.9: 50-135mm on APS-C, like 75-202mm.
142435508513520040080027-180mm equiv.XF 18-120mm f/4
Fujifilm XF 18-120mm f/4 LM PZ WR: 18-120mm on APS-C, like 27-180mm.

Aperture

f/2.9
Fujifilm MKX 50-135mm T2.9: f/2.9 wide open.
f/4
Fujifilm XF 18-120mm f/4 LM PZ WR: f/4 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

XF 18-120mm f/4 at 18mm · 67°MKX 50-135mm T2.9 at 50mm · 27°XF 18-120mm f/4 at 120mm · 11°MKX 50-135mm T2.9 at 135mm · 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.

Fujifilm MKX 50-135mm T2.9

and 21 more

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

and 21 more

On their own pages