Sigma Art 17-40mm f/1.8 DC
Viltrox AF 40mm f/2.5 FE 40mm
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
Viltrox AF 40mm f/2.5 FE 40mm
The Viltrox AF 40mm f/2.5 lens is widely praised as an exceptional value, delivering sharp images, good color rendition, and solid autofocus at a fraction of the cost of Sony alternatives. Users highlight its lightweight, compact design, making it ideal for travel and everyday carry. While some note it lacks weather sealing and the maximum aperture is f/2.5 rather than f/2, most find the optical quality and performance far exceed expectations for the price. A few mention it may require some post-processing, but overall sentiment is overwhelmingly positive.
Pros
- Excellent value for money
- Sharp image quality
- Lightweight and compact
- Good autofocus performance
- Pleasant color rendition
Cons
- No weather sealing
- Maximum aperture f/2.5 (not f/2)
- Plastic build (except mount)
- May require post-processing
- Manual focus not linear
Scores
Specifications
| Sigma Art 17-40mm f/1.8 DC | Viltrox AF 40mm f/2.5 FE 40mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 17 mm | 40 mm |
| Focal Length Max | 40 mm | 40 mm |
| Elements | 17 | 10 |
| Groups | 11 | 6 |
| Aspherical Elements | 4★ | 1 |
| ED Elements | 4★ | 1 |
| Coating | Super Multi-Layer Coating | high-definition nano multi-layer coating, front lens waterproof and anti-fouling coating |
| Aperture | ||
| Max Aperture | f/1.8 | f/16 |
| Min Aperture | f/1.8 | f/2.5 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 11★ | 7 |
| Build | ||
| Mount | Fujifilm X | Sony E |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓★ | ✗ |
| Weight | 0.54 kg | 0.18 kg★ |
| Filter Thread | 67 mm | 52 mm |
| AF & Stabilization | ||
| AF Type | HLA (High-response Linear Actuator) | STM★ |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 280 mm★ | 340 mm |
| Max Magnification | 1:4.8 | 1:7.14 |
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 AF 40mm f/2.5 FE 40mm
- Strong build (86th percentile)86th %ile
- Strong social proof (86th percentile)86th %ile
- Strong af (85th percentile)85th %ile
- Strong user sentiment (66th percentile)
- Below average bokeh (31st percentile)
- Below average versatility (33rd percentile)
- Below average stabilization (34th percentile)
Pricing
Sigma Art 17-40mm f/1.8 DC
No current pricing available
Viltrox AF 40mm f/2.5 FE 40mm
Verdict
Scores 96 overall, wins 9 of 9 usage categories and 6 of 21 specs.
