Canon RF 24-240mm f/4-6.3 IS USM
Sigma Art 17-40mm f/1.8 DC
What Buyers Say
Canon RF 24-240mm f/4-6.3 IS USM
The Canon RF 24-240mm lens is widely praised as an excellent all-in-one travel zoom, offering a versatile 10x range from wide-angle to telephoto in a compact, lightweight package. Users consistently highlight its sharp image quality, good value, and convenience for reducing gear, though some note the lack of weather sealing, a fixed aperture, and the need to use the menu to switch between auto and manual focus. A few minor issues like light leak in very low light and incompatibility with multiple exposure on the R5 are mentioned, but overall it is seen as a reliable go-to lens for everyday and travel photography.
Pros
- Versatile 10x zoom range
- Compact and lightweight design
- Sharp image quality
- Good value for money
- Excellent for travel and everyday use
Cons
- No weather sealing
- No fixed aperture
- Menu-based AF/MF switch
- Light leak in very low light
- Multiple exposure not supported on R5
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
Scores
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 | 21 | 17 |
| Groups | 15 | 11 |
| Aspherical Elements | — | 4★ |
| ED Elements | — | 4★ |
| Coating | — | Super Multi-Layer Coating |
| Aperture | ||
| Max Aperture | 22-36★ | f/1.8 |
| Min Aperture | 4-6.3 | f/1.8 |
| Constant | ✗ | ✓★ |
| Diaphragm Blades | 7 | 11★ |
| Build | ||
| Mount | Canon RF | Fujifilm X |
| Format | full-frame★ | APS-C |
| Weather Sealed | — | ✓★ |
| Weight | 0.75 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 | 500 mm | 280 mm★ |
| Max Magnification | 0.26x | 1:4.8★ |
Pros & Cons
Canon RF 24-240mm f/4-6.3 IS USM
- Strong versatility (97th percentile)97th %ile
- Strong stabilization (96th percentile)96th %ile
- Strong af (93rd percentile)93rd %ile
- Strong social proof (86th percentile)86th %ile
- Below average bokeh (14th percentile)14th %ile
- Below average aperture (22nd percentile)
- Below average build (35th 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 (34th percentile)
Pricing
Sigma Art 17-40mm f/1.8 DC offers 1.4x better value for money
Verdict
Scores 96 overall, wins 9 of 9 usage categories and 8 of 22 specs.
