Sigma Art 17-40mm f/1.8 DC
Sirui Aurora 35mm F1.4 35mm
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
Sirui Aurora 35mm F1.4 35mm
The Sirui Aurora 35mm f/1.4 lens receives mixed reviews. Some users praise its value for money, compact size, and smooth autofocus, while others report severe sharpness issues and poor corner performance. A verified buyer called it the worst lens they've ever seen, but another verified buyer says it's an amazing deal compared to the Sony GM. The Q&A confirms a 62mm filter thread.
Pros
- Great value for money
- Compact and lightweight
- Smooth autofocus for video
- Beautiful bokeh at f/1.4
- Good build quality
Cons
- Inconsistent sharpness across copies
- Poor corner performance
- Chromatic aberration present
- Autofocus not as snappy as Sony GM
- Some users report terrible image quality
Scores
Specifications
| Sigma Art 17-40mm f/1.8 DC | Sirui Aurora 35mm F1.4 35mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 17 mm | 35 mm |
| Focal Length Max | 40 mm | 35 mm |
| Elements | 17 | 16 |
| Groups | 11 | 11 |
| Aspherical Elements | 4★ | 1 |
| ED Elements | 4★ | 1 |
| Coating | Super Multi-Layer Coating | Protective Fluorine Coating |
| Aperture | ||
| Max Aperture | f/1.8 | f/1.4 |
| Min Aperture | f/1.8 | f/1.4 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 11 | 15★ |
| Build | ||
| Mount | Fujifilm X | Nikon Z |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.54 kg | 0.49 kg★ |
| Filter Thread | 67 mm | 62 mm |
| AF & Stabilization | ||
| AF Type | HLA (High-response Linear Actuator) | step motor |
| Stabilization | ✗ | ✓★ |
| Focus | ||
| Min Focus Distance | 280 mm | 35 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)
Sirui Aurora 35mm F1.4 35mm
- Strong bokeh (100th percentile)100th %ile
- Strong aperture (98th percentile)98th %ile
- Strong macro (97th percentile)97th %ile
- Strong optical (80th percentile)80th %ile
- Below average user sentiment (2nd percentile)2nd %ile
- Below average social proof (16th percentile)16th %ile
- Below average versatility (33rd percentile)
Verdict
Scores 96 overall, wins 8 of 9 usage categories and 2 of 21 specs.