Lens Comparison
Fujifilm XF 18-55mm f/2.8-4 R LM OIS vs Sigma 18-50mm f/2.8 DC DN Contemporary (Fuji X)
Key Differences
- Sigma 18-50mm f/2.8 DC DN Contemporary (Fuji X) has a better min focus distance (13 cm vs 35 cm).
- Sigma 18-50mm f/2.8 DC DN Contemporary (Fuji X) has a better max magnification (0.5x vs 0.15x).
- Sigma 18-50mm f/2.8 DC DN Contemporary (Fuji X) has a better aperture blades (9 vs 7).
- Fujifilm XF 18-55mm f/2.8-4 R LM OIS has a better length (70mm vs 76.9mm).
- Sigma 18-50mm f/2.8 DC DN Contemporary (Fuji X) has a better weight (290g (10.2 oz) vs 310g (10.9 oz)).
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 18-55mm | 18-50mm |
| Lens Type | Zoom | Zoom |
| Optical Elements | 14 | 13 |
| Optical Groups | 10 | 10 |
| Aperture & Iris | ||
| Maximum Aperture | f/2.8 | f/2.8 |
| Minimum Aperture | f/22 | f/22 |
| Aperture Blades | 7 | 9 |
| Rounded Aperture | No | Yes |
| Coverage & Angle | ||
| Format Coverage | APS-C | APS-C |
| Lens Mount | Fujifilm X | Fujifilm X |
| Angle of View | − | − |
| 35mm Equivalent | 27-84mm | 27-75mm |
| Focus | ||
| Autofocus | Yes | Yes |
| Focus Motor | Linear | HLA |
| Focus Limiter | No | No |
| AF/MF Switch | No | Yes |
| Min Focus Distance | 35 cm | 13 cm |
| Max Magnification | 0.15x | 0.5x |
| Stabilization & Video | ||
| Optical Stabilization | Yes | No |
| Aperture Ring | Yes | Yes |
| Declickable Aperture | No | Yes |
| Parfocal | No | No |
| Internal Zoom | No | No |
| General | ||
| Price (MSRP) | $599 | $599 |
| Filter Size | 58mm | 52mm |
| Diameter | 65mm | 65.4mm |
| Length | 70mm | 76.9mm |
| Weight | 310g (10.9 oz) | 290g (10.2 oz) |
| Weather Sealed | No | Yes |
| Tripod Collar | No | No |






