Sigma Art 17-40mm f/1.8 DC
Sigma
96 Overall Score
vs
Viltrox Air AF 9mm F2.8 9mm
Viltrox
80 Overall Score
What Buyers Say
Sigma Art 17-40mm f/1.8 DC
95 out of 100 high confidence 36 reviews
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
Image quality 8
Aperture 7
Build quality 6
Autofocus 4
Value for money 4
Compatibility 12
Viltrox Air AF 9mm F2.8 9mm
No customer feedback yet
Scores
Portrait
Street
Video Cinema
Professional
Budget
Macro
Travel
Landscape
Wildlife Sports
Specifications
| Sigma Art 17-40mm f/1.8 DC | Viltrox Air AF 9mm F2.8 9mm | |
|---|---|---|
| Optics | ||
| Type | zoom | wide-angle |
| Focal Length Min | 17 mm | 9 mm |
| Focal Length Max | 40 mm | 9 mm |
| Elements | 17 | 13 |
| Groups | 11 | 11 |
| Aspherical Elements | 4★ | 2 |
| ED Elements | 4★ | 3 |
| Coating | Super Multi-Layer Coating | Specialized Multi-Layer Coating Technology |
| Aperture | ||
| Max Aperture | f/1.8 | f/2.8 |
| Min Aperture | f/1.8 | f/2.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 11★ | — |
| Build | ||
| Mount | Fujifilm X | Sony E |
| Format | APS-C | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.54 kg | 0.19 kg★ |
| Filter Thread | 67 mm | 58 mm |
| AF & Stabilization | ||
| AF Type | HLA (High-response Linear Actuator) | STM★ |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 280 mm | 130 mm★ |
| Max Magnification | 1:4.8★ | — |
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)
Viltrox Air AF 9mm F2.8 9mm
- Strong build (93rd percentile)93rd %ile
- Strong macro (89th percentile)89th %ile
- Strong aperture (88th percentile)88th %ile
- Strong bokeh (87th percentile)87th %ile
- Below average versatility (33rd percentile)
- Below average stabilization (34th percentile)
Pricing
Sigma Art 17-40mm f/1.8 DC0.107score per dollar
vs
Viltrox Air AF 9mm F2.8 9mm0.403score per dollar
Viltrox Air AF 9mm F2.8 9mm offers 3.8x better value for money
Verdict
Winner: Sigma Art 17-40mm f/1.8 DC
Scores 96 overall, wins 5 of 9 usage categories and 4 of 21 specs.
