Sigma Art 17-40mm f/1.8 DC
Canon EF-S 18-55 f/4-5.6 IS STM 18-55mm
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-S 18-55 f/4-5.6 IS STM 18-55mm
This lens is widely praised for its excellent optics, lightweight design, and quiet STM autofocus, making it a great everyday and travel lens. Users note it rivals Canon's L-series in image quality while being much more affordable, though some mention the plastic mount and lack of weather sealing as drawbacks. Verified buyers highlight its sharpness, effective image stabilization, and value for money, especially when purchased as a kit lens. However, a few users report limitations with autofocus points on certain camera bodies and note it is not a true macro lens.
Pros
- Excellent image quality rivaling L-series
- Lightweight and compact design
- Quiet and smooth STM autofocus
- Effective image stabilization
- Great value for money
Cons
- Plastic mount instead of metal
- No weather sealing
- Limited autofocus points on some bodies
- Not a true macro lens
- Inferior image quality to 18-135mm
Scores
Specifications
| Sigma Art 17-40mm f/1.8 DC | Canon EF-S 18-55 f/4-5.6 IS STM 18-55mm | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 17 mm | 18 mm |
| Focal Length Max | 40 mm | 55 mm |
| Elements | 17 | 12 |
| Groups | 11 | 10 |
| Aspherical Elements | 4★ | 1 |
| ED Elements | 4★ | — |
| Coating | Super Multi-Layer Coating | Super Spectra coating |
| Aperture | ||
| Max Aperture | f/1.8 | f/4 |
| Min Aperture | f/1.8 | 4-5.6 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 11★ | 7 |
| Build | ||
| Mount | Fujifilm X | Canon EF-S |
| Format | APS-C | APS-C |
| Weather Sealed | ✓★ | — |
| Weight | 0.54 kg | 0.20 kg★ |
| Filter Thread | 67 mm | 58 mm |
| AF & Stabilization | ||
| AF Type | HLA (High-response Linear Actuator) | STM★ |
| Stabilization | ✗ | ✓★ |
| Stabilization Stops | — | 4 stops★ |
| Focus | ||
| Min Focus Distance | 280 mm | 66 mm★ |
| Max Magnification | 1:4.8 | 1:4 |
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 EF-S 18-55 f/4-5.6 IS STM 18-55mm
- Strong macro (95th percentile)95th %ile
- Strong stabilization (93rd percentile)93rd %ile
- Strong af (85th percentile)85th %ile
- Strong build (85th percentile)85th %ile
- Below average user sentiment (30th percentile)
Pricing
Canon EF-S 18-55 f/4-5.6 IS STM 18-55mm offers 6.3x better value for money
Verdict
Scores 97 overall, wins 5 of 9 usage categories and 5 of 22 specs.
