Canon RF 24-240mm f/4-6.3 IS USM
Canon
55 Overall Score
vs
Sigma Art 17-40mm f/1.8 DC
Sigma
96 Overall Score
What Buyers Say
Canon RF 24-240mm f/4-6.3 IS USM
No customer feedback yet
Sigma Art 17-40mm f/1.8 DC
95 out of 100 high confidence 36 reviews
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
Image quality 8
Aperture 7
Build quality 6
Autofocus 4
Value for money 4
Compatibility 12
Scores
Portrait
Video Cinema
Professional
Budget
Macro
Travel
Street
Landscape
Wildlife Sports
Specifications
| Canon RF 24-240mm f/4-6.3 IS USM | Sigma Art 17-40mm f/1.8 DC | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 24 mm | 17 mm |
| Focal Length Max | 240 mm | 40 mm |
| Elements | — | 17 |
| Groups | — | 11 |
| Aspherical Elements | — | 4★ |
| ED Elements | — | 4★ |
| Coating | — | Super Multi-Layer Coating |
| Aperture | ||
| Max Aperture | f/6.3 | f/1.8 |
| Min Aperture | f/4 | f/1.8 |
| Constant | ✗ | ✓★ |
| Diaphragm Blades | — | 11★ |
| Build | ||
| Mount | Canon RF | Fujifilm X |
| Format | full-frame★ | APS-C |
| Weather Sealed | — | ✓★ |
| Weight | 0.08 kg★ | 0.54 kg |
| Filter Thread | 72 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | Nano USM★ | HLA (High-response Linear Actuator) |
| Stabilization | ✓★ | ✗ |
| Stabilization Stops | 5 stops★ | — |
| Focus | ||
| Min Focus Distance | — | 280 mm★ |
| Max Magnification | — | 1:4.8★ |
Pros & Cons
Canon RF 24-240mm f/4-6.3 IS USM
- Strong build (98th percentile)98th %ile
- Strong versatility (97th percentile)97th %ile
- Strong stabilization (97th percentile)97th %ile
- Strong af (93rd percentile)93rd %ile
- Below average macro (12th percentile)12th %ile
- Below average optical (18th percentile)18th %ile
- Below average social proof (21st percentile)
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 (35th percentile)
Pricing
Canon RF 24-240mm f/4-6.3 IS USM0.054score per dollar
vs
Sigma Art 17-40mm f/1.8 DC0.107score per dollar
Sigma Art 17-40mm f/1.8 DC offers 2.0x better value for money
Verdict
Winner: Sigma Art 17-40mm f/1.8 DC
Scores 96 overall, wins 9 of 9 usage categories and 7 of 22 specs.
