Sigma Art 17-40mm f/1.8 DC
Canon L-series EF 70-300mm f/4-5.6 IS II 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-series EF 70-300mm f/4-5.6 IS II USM
The Canon EF 70-300mm f/4-5.6 IS II USM lens is widely praised for its fast and quiet autofocus, lightweight design, and excellent image quality for the price. Users appreciate the effective image stabilization and compatibility across Canon DSLR and mirrorless cameras. However, a notable minority report reliability issues, such as lens errors and shutdowns, and some find the f/5.6 maximum aperture limiting in low light. Overall, most buyers consider it a great value for wildlife, sports, and travel photography.
Pros
- Fast and quiet autofocus
- Lightweight and portable design
- Excellent image quality
- Effective image stabilization (IS II)
- Great value for the price
Cons
- Occasional reliability issues (lens errors)
- F/5.6 max aperture limits low-light performance
- Not weather-sealed
- Slow manual focus adjustment
- Some chromatic aberration outdoors
Scores
Specifications
| Sigma Art 17-40mm f/1.8 DC | Canon L-series EF 70-300mm f/4-5.6 IS II USM | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 17 mm | 70 mm |
| Focal Length Max | 40 mm | 300 mm |
| Elements | 17 | 17 |
| Groups | 11 | 12 |
| Aspherical Elements | 4★ | — |
| ED Elements | 4★ | 2 |
| Coating | Super Multi-Layer Coating | Fluorine coating |
| Aperture | ||
| Max Aperture | f/1.8 | f/70 |
| Min Aperture | f/1.8 | 4-5.6 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 11★ | 8 |
| Build | ||
| Mount | Fujifilm X | Canon EF |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.54 kg★ | 1.05 kg |
| Filter Thread | 67 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | HLA (High-response Linear Actuator) | USM★ |
| Stabilization | ✗ | ✓★ |
| Stabilization Stops | — | 4 stops★ |
| Focus | ||
| Min Focus Distance | 280 mm★ | 1.20 m |
| 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-series EF 70-300mm f/4-5.6 IS II USM
- Strong af (93rd percentile)93rd %ile
- Strong stabilization (92nd percentile)92nd %ile
- Strong versatility (91st percentile)91st %ile
- Strong optical (83rd percentile)83rd %ile
- Below average aperture (1st percentile)1st %ile
- Below average bokeh (1st percentile)1st %ile
- Below average macro (27th percentile)
- Below average user sentiment (32nd percentile)
Pricing
Verdict
Scores 96 overall, wins 8 of 9 usage categories and 7 of 22 specs.
