Fujifilm XF18-135mmF3.5-5.6 R LM OIS WRvsSigma 17-40mm F1.8 DC
XF18-135mmF3.5-5.6 R LM OIS WR
18-135mm / F3.5-5.6
27-203mm equiv.
—
17-40mm F1.8 DC
17-40mm / F1.8
26-60mm equiv.
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Which to choose
When the XF18-135mmF3.5-5.6 R LM OIS WR suits you better
- Zoom rangeCovers 18-135mm in a single lens
- StabilizationHas stabilization
When the 17-40mm F1.8 DC suits you better
- Brightness1.9 stops brighter — better in low light and blurs the background more
- Weather sealingHas weather sealing
These points are derived mechanically from the numbers. How a lens actually renders does not show up in specifications, so look at samples before deciding.
Size compared
- 17-40mm F1.8 DC118.2mm long × 72.9mm diameter
XF18-135mmF3.5-5.6 R LM OIS WR left out of the diagram: no dimensions on file.
Specifications compared
| Specification | Fujifilm XF18-135mmF3.5-5.6 R LM OIS WR | Sigma 17-40mm F1.8 DC | Difference |
|---|---|---|---|
| Focal length (wide) | 18mm | 17mm | +1mm |
| Focal length (tele) | 135mm | 40mm | +95mm |
| Max aperture (wide) | F3.5 | F1.8 | 1.9 stops darker |
| Max aperture (tele) | F5.6 | F1.8 | 3.3 stops darker |
| Min focus distance | 45cm | — | No data |
| Max magnification | 0.27× | — | No data |
| Weight | 490g | 530g | −40g |
| Length | — | 118.2mm | No data |
| Diameter | — | 72.9mm | No data |
| Filter size | 67mm | 67mm | — |
| Released | 2014 | 2025 | −11year |
| Stabilization | Yes | No | Yes |
| Weather sealing | No | Yes | No |
| Macro | No | No | — |
| Autofocus | Yes | Yes | — |
The difference column reads as XF18-135mmF3.5-5.6 R LM OIS WR relative to 17-40mm F1.8 DC.The highlighted cell is the better side for that specification.
Check prices
XF18-135mmF3.5-5.6 R LM OIS WR
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17-40mm F1.8 DC
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XF18-135mmF3.5-5.6 R LM OIS WR in detail17-40mm F1.8 DC in detailAll X Mount lenses