Sigma Art 17-40mm f/1.8 DC
Canon RF 24-105mm f/4L 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 RF 24-105mm f/4L IS USM
The Canon RF 24-105mm f/4L is widely praised as a versatile, sharp, and reliable everyday zoom, with many users calling it their go-to lens for travel, portraits, and general photography. Image stabilization and autofocus are consistently highlighted as excellent, though some note it's not the sharpest L lens and a few report issues like barrel wobble, dust ingress, or soft focus. Mixed experiences with retailer service and repair costs also temper overall enthusiasm.
Pros
- Versatile zoom range
- Sharp image quality
- Effective image stabilization
- Fast and accurate autofocus
- Good build quality
Cons
- Barrel wobble and rattle
- Not the sharpest L lens
- Soft focus at wide angles
- Dust ingress under glass
- Plastic build quality
Scores
Specifications
| Sigma Art 17-40mm f/1.8 DC | Canon RF 24-105mm f/4L IS USM | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 17 mm | 24 mm |
| Focal Length Max | 40 mm | 105 mm |
| Elements | 17 | 18 |
| Groups | 11 | 14 |
| Aspherical Elements | 4 | 4 |
| ED Elements | 4★ | 1 |
| Coating | Super Multi-Layer Coating | Super Spectra Coating |
| Aperture | ||
| Max Aperture | f/1.8 | f/22 |
| Min Aperture | f/1.8 | f/4 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 11★ | 9 |
| Build | ||
| Mount | Fujifilm X | Canon RF |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.54 kg★ | 0.70 kg |
| Filter Thread | 67 mm | 77 mm |
| AF & Stabilization | ||
| AF Type | HLA (High-response Linear Actuator) | USM★ |
| Stabilization | ✗ | ✓★ |
| Stabilization Stops | — | 5 stops★ |
| Focus | ||
| Min Focus Distance | 280 mm★ | 450 mm |
| Max Magnification | 1:4.8★ | 0.24x |
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 RF 24-105mm f/4L IS USM
- Strong stabilization (96th percentile)96th %ile
- Strong optical (96th percentile)96th %ile
- Strong af (93rd percentile)93rd %ile
- Strong versatility (92nd percentile)92nd %ile
- Below average aperture (22nd percentile)
- Below average bokeh (25th percentile)
- Below average user sentiment (32nd percentile)
Pricing
Verdict
Scores 96 overall, wins 6 of 9 usage categories and 5 of 22 specs.
