Altura Photo UM2267
Sigma Art 17-40mm f/1.8 DC
What Buyers Say
Altura Photo UM2267
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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
Scores
Specifications
| Altura Photo UM2267 | Sigma Art 17-40mm f/1.8 DC | |
|---|---|---|
| Optics | ||
| Type | wide-angle | zoom |
| Focal Length Min | — | 17 mm |
| Focal Length Max | — | 40 mm |
| Elements | — | 17 |
| Groups | — | 11 |
| Aspherical Elements | — | 4★ |
| ED Elements | — | 4★ |
| Coating | multicoated glass optics | Super Multi-Layer Coating |
| Aperture | ||
| Max Aperture | — | f/1.8 |
| Min Aperture | — | f/1.8 |
| Constant | — | ✓★ |
| Diaphragm Blades | — | 11★ |
| Build | ||
| Mount | Screw-on lens fits camera lenses with a 49mm front filter thread | Fujifilm X |
| Format | — | APS-C★ |
| Weather Sealed | — | ✓★ |
| Weight | 0.30 kg★ | 0.54 kg |
| Filter Thread | 49 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | STM★ | HLA (High-response Linear Actuator) |
| Stabilization | ✓★ | ✗ |
| Focus | ||
| Min Focus Distance | 45 mm★ | 280 mm |
| Max Magnification | — | 1:4.8★ |
Pros & Cons
Altura Photo UM2267
- Strong macro (96th percentile)96th %ile
- Strong af (85th percentile)85th %ile
- Strong stabilization (79th percentile)
- Strong build (74th percentile)
- Below average versatility (33rd percentile)
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)
Pricing
Altura Photo UM2267 offers 7.0x better value for money
Verdict
Scores 96 overall, wins 8 of 9 usage categories and 7 of 21 specs.