Sigma Art 17-40mm f/1.8 DC
Canon EF 28-135mm f/3.5-5.6 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 EF 28-135mm f/3.5-5.6 IS USM
The Canon EF 28-135mm f/3.5-5.6 IS USM lens is highly praised for its versatility, image stabilization, and image quality. Users appreciate it as an excellent all-purpose lens for beginners and enthusiasts, though some note the lens extends under its own weight and one experienced a failure after three years. Overall, it delivers great value and performance for its price.
Pros
- Excellent image stabilization
- Versatile zoom range
- Good image quality
- Fast and quiet autofocus
- Macro mode for close-ups
Cons
- Lens extends under its own weight
- Autofocus failure after 3 years (one case)
- Not a true macro lens
- IS not recommended on tripod
- Image quality not L-series level
Scores
Specifications
| Sigma Art 17-40mm f/1.8 DC | Canon EF 28-135mm f/3.5-5.6 IS USM | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 17 mm | 28 mm |
| Focal Length Max | 40 mm | 135 mm |
| Elements | 17 | 16 |
| Groups | 11 | 12 |
| Aspherical Elements | 4★ | — |
| ED Elements | 4★ | — |
| Coating | Super Multi-Layer Coating | — |
| Aperture | ||
| Max Aperture | f/1.8 | f/28 |
| Min Aperture | f/1.8 | 3.5-5.6 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 11★ | — |
| Build | ||
| Mount | Fujifilm X | Canon EF |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓★ | — |
| Weight | 0.54 kg★ | 0.54 kg |
| Filter Thread | 67 mm | 72 mm |
| AF & Stabilization | ||
| AF Type | HLA (High-response Linear Actuator) | USM★ |
| Stabilization | ✗ | ✓★ |
| Focus | ||
| Min Focus Distance | 280 mm★ | 508 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)
Canon EF 28-135mm f/3.5-5.6 IS USM
- Strong af (93rd percentile)93rd %ile
- Strong versatility (93rd percentile)93rd %ile
- Strong user sentiment (82nd percentile)82nd %ile
- Strong stabilization (79th percentile)
- Below average bokeh (6th percentile)6th %ile
- Below average aperture (8th percentile)8th %ile
Verdict
Scores 97 overall, wins 9 of 9 usage categories and 8 of 21 specs.