Canon L-series RF 24mm f/1.4 L VCM 24mm
Sigma Art 17-40mm f/1.8 DC
What Buyers Say
Canon L-series RF 24mm f/1.4 L VCM 24mm
The Canon RF 24mm f/1.4 L VCM lens is widely praised for its exceptional sharpness, fast and quiet autofocus, and impressive low-light performance, making it a top choice for astrophotography and landscape work. Users highlight its lightweight build and beautiful bokeh, though some note minor issues like barrel distortion at close range and the lack of built-in image stabilization. A few reviewers experienced autofocus problems with certain copies, but overall sentiment is very positive.
Pros
- Exceptional sharpness
- Fast and quiet autofocus
- Excellent low-light performance
- Lightweight and portable
- Beautiful bokeh
Cons
- Barrel distortion at close range
- No built-in image stabilization
- Autofocus issues on some copies
- Requires lens corrections for best results
- Expensive
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 L-series RF 24mm f/1.4 L VCM 24mm | Sigma Art 17-40mm f/1.8 DC | |
|---|---|---|
| Optics | ||
| Type | prime | zoom |
| Focal Length Min | 24 mm | 17 mm |
| Focal Length Max | 24 mm | 40 mm |
| Elements | 13 | 17 |
| Groups | 10 | 11 |
| Aspherical Elements | 2 | 4★ |
| ED Elements | 2 | 4★ |
| Coating | Sub Wavelength Coating | Super Multi-Layer Coating |
| Aperture | ||
| Max Aperture | f/16 | f/1.8 |
| Min Aperture | f/1.4 | f/1.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 11 | 11 |
| Build | ||
| Mount | Canon RF | Fujifilm X |
| Format | full-frame★ | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.65 kg | 0.54 kg★ |
| Filter Thread | 67 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | USM★ | HLA (High-response Linear Actuator) |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 239 mm★ | 280 mm |
| Max Magnification | 0.17x | 1:4.8★ |
Pros & Cons
Canon L-series RF 24mm f/1.4 L VCM 24mm
- Strong af (93rd percentile)93rd %ile
- Strong optical (80th percentile)80th %ile
- Strong social proof (77th percentile)
- Strong user sentiment (66th percentile)
- Below average versatility (33rd percentile)
- Below average stabilization (34th 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 1.7x better value for money
Verdict
Scores 96 overall, wins 9 of 9 usage categories and 4 of 21 specs.
