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Fujinon XF18-55mmF2.8-4 R LM OIS vs Sigma 18-50mm F2.8 DC DN Contemporary
Short answer
The Fujinon XF18-55mmF2.8-4 R LM OIS (18–55mm) and Sigma 18-50mm F2.8 DC DN Contemporary (18–50mm) are both standard lenses for the Fujifilm X mount. Only the Fujinon XF18-55mmF2.8-4 R LM OIS has optical stabilisation and an aperture ring.
Evenly matched on paper
Side by side
| Fujinon XF18-55mmF2.8-4 R LM OIS | Sigma 18-50mm F2.8 DC DN Contemporary | |
|---|---|---|
| Brand | Fujifilm | Sigma |
| Focal length | 18–55mm | 18–50mm |
| 35mm equivalent | 27–83mm | 27–75mm |
| Maximum aperture | f/2.8–4 | f/2.8 |
| Mount | Fujifilm X | Fujifilm X |
| Autofocus | Yes | Yes |
| Optical stabilisation | Yes | — |
| Weather resistant | No | — |
| Aperture ring | Yes | — |
| Macro | No | — |
| Linear motor | Yes | — |
| Minimum aperture | f/22 | — |
| Aperture blades | 7 | — |
| Lens construction | 14 elements in 10 groups | — |
| Special elements | 3 aspherical elements and 1 anomalous dispersion lens | — |
| Angle of view | 76.5° – 29° | — |
| Minimum focus | 0.3 m | — |
| Maximum magnification | 0.15× | — |
| Weight | 310 g | — |
| Diameter | ⌀65 mm | — |
| Length | 70.4–97.9 mm | — |
| Filter thread | ⌀58 mm | — |
Where each one is ahead
Reasons to choose the Fujinon XF18-55mmF2.8-4 R LM OIS
- Longer reach 83 mm vs 75 mm
Reasons to choose the Sigma 18-50mm F2.8 DC DN Contemporary
Nothing measurable in its favour.
Framing and reach
| Lens | Frames like | Horizontal view | Frame width at 10 m |
|---|---|---|---|
| Fujinon XF18-55mmF2.8-4 R LM OIS | 27–83 mm | 66.3°–24.1° | 13.1–4.3 m |
| Sigma 18-50mm F2.8 DC DN Contemporary | 27–75 mm | 66.3°–26.4° | 13.1–4.7 m |
The Fujinon XF18-55mmF2.8-4 R LM OIS gets 1.11× closer to the subject than the Sigma 18-50mm F2.8 DC DN Contemporary: whatever it points at fills 1.11× more of the frame edge to edge, or 1.2× more of its area. With the Sigma 18-50mm F2.8 DC DN Contemporary you would have to walk about 10% of the distance towards the subject to get the same picture — or crop it later, which leaves roughly 82% of the original pixels.
Angles and widths are calculated from focal length and sensor width, horizontally, on the native sensor of each mount.
What each one suits
| Fujinon XF18-55mmF2.8-4 R LM OIS | Sigma 18-50mm F2.8 DC DN Contemporary | |
|---|---|---|
| Birds and wildlife | Poor | Poor |
| Sports | Poor | Poor |
| Portrait | Average | Average |
| Travel | Excellent | Very good |
| Street | Very good | Very good |
| Weddings | Very good | Very good |
| Walk around | Excellent | Very good |
| Vlogging | Very good | Good |
| Landscape | Good | Good |
| Macro | Poor | Poor |
Scored from the published specifications — focal length, aperture, stabilisation, weather sealing and weight. Sharpness, bokeh and rendering are not in a spec sheet and are not scored here.
Cameras that take both
Both lenses fit every interchangeable-lens X Series body — 34 in our list. Fixed-lens models such as the X100 series cannot take them.
Common questions
Will both lenses fit my camera?
Both use the Fujifilm X mount, so they fit any X Series camera with interchangeable lenses. They do not fit fixed-lens models such as the X100 series or GFX bodies.
compare.faqTitle
Which is better, the Fujinon XF18-55mmF2.8-4 R LM OIS or the Sigma 18-50mm F2.8 DC DN Contemporary?
On paper they come out even across 22 compared specs. What is left is handling and today’s price, which this page does not measure.
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Built from the specifications Fujifilm publishes.