Sigma Art 17-40mm f/1.8 DC
Fujifilm XF 18-120mm f/4 LM PZ WR
What Buyers Say
Sigma Art 17-40mm f/1.8 DC
The Sigma 17-40mm f/1.8 DC DN Art lens is overwhelmingly praised for its exceptional image quality, fast constant aperture, and compact internal zoom design. Users highlight its sharpness, lightweight build, and excellent autofocus performance, especially on crop-sensor mirrorless cameras like the Canon R7 and Fujifilm bodies. A few questions about compatibility with specific cameras and features like weather sealing and aperture ring are noted, but the overall sentiment is extremely positive.
Pros
- Exceptional image quality
- Fast constant f/1.8 aperture
- Compact internal zoom design
- Lightweight build
- Sharp and bright photos
Cons
- No weather sealing mentioned
- No manual aperture ring on some mounts
- Compatibility questions with full-frame cameras
- Expensive for some buyers
Fujifilm XF 18-120mm f/4 LM PZ WR
The Fujifilm XF 18-120mm f/4 R LM PZ WR lens is praised for its versatility, sharpness, and video-friendly power zoom, especially after a firmware update fixed exposure stepping. Users appreciate the internal zoom, weather sealing, and lightweight build, though some note the lack of an aperture ring and initial exposure issues. Overall, it's seen as a strong all-purpose lens for Fuji shooters, particularly when paired with IBIS cameras.
Pros
- Versatile focal length range
- Sharp image quality
- Smooth power zoom for video
- Internal zoom design
- Weather sealing
Cons
- No aperture ring
- Initial exposure stepping issue (now fixed)
- Plastic build feels cheap to some
- Not parfocal in manual focus
- Power zoom only controllable on lens
Scores
Specifications
| Sigma Art 17-40mm f/1.8 DC | Fujifilm XF 18-120mm f/4 LM PZ WR | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 17 mm | 18 mm |
| Focal Length Max | 40 mm | 120 mm |
| Elements | 17 | 15 |
| Groups | 11 | 12 |
| Aspherical Elements | 4★ | 3 |
| ED Elements | 4★ | 3 |
| Coating | Super Multi-Layer Coating | Fluorine coating |
| Aperture | ||
| Max Aperture | f/1.8 | f/22 |
| Min Aperture | f/1.8 | f/4 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 11★ | 7 |
| Build | ||
| Mount | Fujifilm X | Fujifilm X |
| Format | APS-C | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.54 kg | 0.47 kg★ |
| Filter Thread | 67 mm | 72 mm |
| AF & Stabilization | ||
| AF Type | HLA (High-response Linear Actuator) | Linear motor★ |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 280 mm★ | 600 mm |
| Max Magnification | 1:4.8 | 1:5 |
Pros & Cons
Sigma Art 17-40mm f/1.8 DC
- Strong user sentiment (98th percentile)98th %ile
- Strong bokeh (97th percentile)97th %ile
- Strong optical (97th percentile)97th %ile
- Strong aperture (95th percentile)95th %ile
- Below average stabilization (34th percentile)
Fujifilm XF 18-120mm f/4 LM PZ WR
- Strong af (98th percentile)98th %ile
- Strong versatility (95th percentile)95th %ile
- Strong optical (92nd percentile)92nd %ile
- Strong build (72nd percentile)
- Below average bokeh (14th percentile)14th %ile
- Below average user sentiment (17th percentile)17th %ile
- Below average aperture (22nd percentile)
- Below average social proof (34th percentile)
Verdict
Scores 96 overall, wins 9 of 9 usage categories and 4 of 21 specs.