Sigma Art 17-40mm f/1.8 DC
7Artisans 122.8ZBII 12mm
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
7Artisans 122.8ZBII 12mm
This manual 12mm f/2.8 lens receives mostly positive reviews for its solid metal build and good image quality at a low price point. While many users love it for product videos and astrophotography, some report sharpness issues, severe flare when pointed near light sources, and the lack of camera recognition on certain bodies. It's best considered a budget specialty lens rather than an everyday general-purpose optic.
Pros
- Solid all-metal build
- Good image quality for the price
- Great value for money
- Smooth focusing rings
- Excellent for astrophotography
Cons
- Not sharp in corners
- Horrible flare near light sources
- Camera may not recognize lens
- Manual focus only
- Short focusing range
Scores
Specifications
| Sigma Art 17-40mm f/1.8 DC | 7Artisans 122.8ZBII 12mm | |
|---|---|---|
| Optics | ||
| Type | zoom | wide-angle |
| Focal Length Min | 17 mm | 12 mm |
| Focal Length Max | 40 mm | 12 mm |
| Elements | 17 | 12 |
| Groups | 11 | 10 |
| Aspherical Elements | 4★ | — |
| ED Elements | 4★ | — |
| Coating | Super Multi-Layer Coating | — |
| Aperture | ||
| Max Aperture | f/1.8 | f/16 |
| Min Aperture | f/1.8 | f/2.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 11★ | — |
| Build | ||
| Mount | Fujifilm X | Nikon Z |
| Format | APS-C | APS-C |
| Weather Sealed | ✓★ | — |
| Weight | 0.54 kg | 0.30 kg★ |
| Filter Thread | 67 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | HLA (High-response Linear Actuator) | manual focus only |
| Stabilization | ✗ | ✓★ |
| Focus | ||
| Min Focus Distance | 280 mm | 150 mm★ |
| Max Magnification | 1:4.8★ | 0.15m |
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)
7Artisans 122.8ZBII 12mm
- Strong stabilization (79th percentile)
- Strong build (74th percentile)
- Strong social proof (66th percentile)
- Below average af (15th percentile)15th %ile
- Below average user sentiment (22nd percentile)
- Below average bokeh (32nd percentile)
- Below average versatility (33rd percentile)
Pricing
7Artisans 122.8ZBII 12mm offers 3.4x better value for money
Verdict
Scores 96 overall, wins 9 of 9 usage categories and 5 of 21 specs.
