Sigma Art 17-40mm f/1.8 DC
7Artisans 18mm f/6.3 Mark II 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
7Artisans 18mm f/6.3 Mark II 18mm
This 7artisans 18mm f/6.3 lens is a tiny, all-metal pancake that delivers a filmic, character-rich look rather than clinical sharpness. Users love its compact size and hyperfocal ease for street photography, but note soft focus, strong vignetting, low contrast, and compatibility quirks with IBIS systems. A few report severe quality control issues making the lens unusable, while most see it as a fun, creative tool for the price.
Pros
- Extremely compact and lightweight
- Solid all-metal construction
- Filmic, character-rich image quality
- Hyperfocal ease for street photography
- Great value for the price
Cons
- Soft focus at all distances
- Strong vignetting
- Low contrast
- Compatibility issues with IBIS
- Severe quality control problems
Scores
Specifications
| Sigma Art 17-40mm f/1.8 DC | 7Artisans 18mm f/6.3 Mark II 18mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 17 mm | 18 mm |
| Focal Length Max | 40 mm | 18 mm |
| Elements | 17 | 6 |
| Groups | 11 | 5 |
| Aspherical Elements | 4★ | — |
| ED Elements | 4★ | — |
| Coating | Super Multi-Layer Coating | — |
| Aperture | ||
| Max Aperture | f/1.8 | f/6.3 |
| Min Aperture | f/1.8 | f/6.3 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 11★ | — |
| Build | ||
| Mount | Fujifilm X | Nikon Z |
| Format | APS-C | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.54 kg | 0.06 kg★ |
| Filter Thread | 67 mm | — |
| AF & Stabilization | ||
| AF Type | HLA (High-response Linear Actuator) | manual focus only |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 280 mm★ | 300 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)
7Artisans 18mm f/6.3 Mark II 18mm
- Strong build (100th percentile)100th %ile
- Strong macro (69th percentile)
- Strong social proof (66th percentile)
- Below average optical (2nd percentile)2nd %ile
- Below average af (15th percentile)15th %ile
- Below average user sentiment (17th percentile)17th %ile
- Below average versatility (33rd percentile)
Verdict
Scores 96 overall, wins 9 of 9 usage categories and 5 of 21 specs.