Sigma Art 17-40mm f/1.8 DC
Canon RF16-28mm F2.8 IS STM 28mm
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
Canon RF16-28mm F2.8 IS STM 28mm
No customer feedback yet
Scores
Specifications
| Sigma Art 17-40mm f/1.8 DC | Canon RF16-28mm F2.8 IS STM 28mm | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 17 mm | 16 mm |
| Focal Length Max | 40 mm | 28 mm |
| Elements | 17 | 16 |
| Groups | 11 | 13 |
| Aspherical Elements | 4★ | 2 |
| ED Elements | 4 | 4 |
| Coating | Super Multi-Layer Coating | Super Spectra Coating |
| Aperture | ||
| Max Aperture | f/1.8 | f/22 |
| Min Aperture | f/1.8 | f/2.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 11★ | 9 |
| Build | ||
| Mount | Fujifilm X | Canon RF |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.54 kg | 0.45 kg★ |
| Filter Thread | 67 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | HLA (High-response Linear Actuator) | STM★ |
| Stabilization | ✗ | ✓★ |
| Stabilization Stops | — | 5.5 stops★ |
| Focus | ||
| Min Focus Distance | 280 mm | 250 mm★ |
| Max Magnification | 1:4.8 | 1:3.85 |
Pros & Cons
Sigma Art 17-40mm f/1.8 DC
- Strong user sentiment (98th percentile)98th %ile
- Strong optical (97th percentile)97th %ile
- Strong bokeh (97th percentile)97th %ile
- Strong aperture (95th percentile)95th %ile
Canon RF16-28mm F2.8 IS STM 28mm
- Strong stabilization (99th percentile)99th %ile
- Strong optical (93rd percentile)93rd %ile
- Strong af (85th percentile)85th %ile
- Strong macro (76th percentile)
- Below average aperture (21st percentile)
- Below average bokeh (25th percentile)
Pricing
Sigma Art 17-40mm f/1.8 DC offers 1.4x better value for money
Verdict
Scores 97 overall, wins 6 of 9 usage categories and 2 of 22 specs.