Sigma Art 17-40mm f/1.8 DC
Ulanzi 2229 18mm
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
Ulanzi 2229 18mm
No customer feedback yet
Scores
Specifications
| Sigma Art 17-40mm f/1.8 DC | Ulanzi 2229 18mm | |
|---|---|---|
| Optics | ||
| Type | zoom | wide-angle |
| Focal Length Min | 17 mm | 18 mm |
| Focal Length Max | 40 mm | 18 mm |
| Elements | 17 | — |
| Groups | 11 | — |
| Aspherical Elements | 4★ | — |
| ED Elements | 4★ | 1 |
| Coating | Super Multi-Layer Coating | 30-Layer Nano-Coating Double-Side |
| Aperture | ||
| Max Aperture | f/1.8 | — |
| Min Aperture | f/1.8 | — |
| Constant | ✓★ | — |
| Diaphragm Blades | 11★ | — |
| Build | ||
| Mount | Fujifilm X | sony |
| Format | APS-C★ | — |
| Weather Sealed | ✓★ | — |
| Weight | 0.54 kg★ | — |
| Filter Thread | 67 mm | 52 mm |
| AF & Stabilization | ||
| AF Type | HLA (High-response Linear Actuator) | — |
| Stabilization | ✗ | — |
| Focus | ||
| Min Focus Distance | 280 mm | 18 mm★ |
| Max Magnification | 1:4.8 | 10X★ |
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)
Ulanzi 2229 18mm
- Strong macro (100th percentile)100th %ile
- Strong aperture (71st percentile)
- Strong social proof (71st percentile)
- Strong bokeh (70th percentile)
- Below average versatility (33rd percentile)
- Below average stabilization (34th percentile)
Pricing
Ulanzi 2229 18mm offers 11.2x better value for money
Verdict
Scores 96 overall, wins 9 of 9 usage categories and 7 of 21 specs.