Sigma Art 17-40mm f/1.8 DC
Canon L RF 24-70mm f/2.8L IS USM
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 L RF 24-70mm f/2.8L IS USM
This lens delivers exceptional image quality and versatility, praised for sharp autofocus and stabilization. Users note it's slightly heavy but well-built, ideal for travel and various photography styles. Some complaints about promo tripod quality and warranty start date policy exist. Overall, it is highly recommended for mirrorless Canon R series cameras.
Pros
- Excellent image sharpness and clarity
- Fast and accurate autofocus
- Versatile for multiple photography styles
- Good lens stabilization
- Ideal travel companion with light kit
Cons
- Heavy weight adds noticeable front-end heft
- Promotional tripod broke before use
- Warranty start date policy penalizes early buyers
- Control rings tight initially
Scores
Specifications
| Sigma Art 17-40mm f/1.8 DC | Canon L RF 24-70mm f/2.8L IS USM | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 17 mm | 24 mm |
| Focal Length Max | 40 mm | 70 mm |
| Elements | 17 | 18 |
| Groups | 11 | 13 |
| Aspherical Elements | 4★ | 3 |
| ED Elements | 4★ | 3 |
| Coating | Super Multi-Layer Coating | fluorine 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 EF |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.54 kg★ | 0.81 kg |
| Filter Thread | 67 mm | 82 mm |
| AF & Stabilization | ||
| AF Type | HLA (High-response Linear Actuator) | Nano USM★ |
| Stabilization | ✗ | ✓★ |
| Stabilization Stops | — | 5 stops★ |
| Focus | ||
| Min Focus Distance | 280 mm | 210 mm★ |
| Max Magnification | 1:4.8★ | 0.21x |
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)
Canon L RF 24-70mm f/2.8L IS USM
- Strong stabilization (96th percentile)96th %ile
- Strong optical (96th percentile)96th %ile
- Strong social proof (94th percentile)94th %ile
- Strong af (93rd percentile)93rd %ile
- Below average user sentiment (17th percentile)17th %ile
- Below average aperture (22nd percentile)
- Below average bokeh (25th percentile)
Pricing
Sigma Art 17-40mm f/1.8 DC offers 1.8x better value for money
Verdict
Scores 96 overall, wins 6 of 9 usage categories and 5 of 22 specs.