Canon L EF 17-40mm f/4L USM
Canon
61 Overall Score
vs
Sigma Art 17-40mm f/1.8 DC Art
Sigma
64 Overall Score
Scores
Portrait
Professional
Travel
Landscape
Video Cinema
Street
Budget
Wildlife Sports
Macro
Specifications
| Canon L EF 17-40mm f/4L USM | Sigma Art 17-40mm f/1.8 DC Art | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 17 mm | 17 mm |
| Focal Length Max | 40 mm | 40 mm |
| Elements | 12 | 17 |
| Groups | 9 | 11 |
| Aspherical Elements | 3 | 4★ |
| ED Elements | 1 | 4★ |
| Coating | Super Spectra coating | Super Multi-Layer Coating |
| Aperture | ||
| Max Aperture | f/22 | f/1.8 |
| Min Aperture | f/4 | f/1.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 7 | 11★ |
| Build | ||
| Mount | Canon EF | L-Mount |
| Format | full-frame★ | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.50 kg★ | — |
| Filter Thread | 77 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | USM★ | HLA (High-response Linear Actuator) |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 280 mm★ | — |
| Max Magnification | 0.24x★ | — |
Pros & Cons
Canon L EF 17-40mm f/4L USM
- Strong af (93rd percentile)93rd %ile
- Strong social proof (86th percentile)86th %ile
- Strong optical (78th percentile)
- Strong versatility (76th percentile)
- Below average bokeh (14th percentile)14th %ile
- Below average aperture (22nd percentile)
- Below average stabilization (35th percentile)
Sigma Art 17-40mm f/1.8 DC Art
- Strong bokeh (97th percentile)97th %ile
- Strong optical (97th percentile)97th %ile
- Strong aperture (95th percentile)95th %ile
- Strong versatility (76th percentile)
- Below average macro (12th percentile)12th %ile
- Below average social proof (27th percentile)
- Below average stabilization (35th percentile)
Verdict
Winner: Sigma Art 17-40mm f/1.8 DC Art
Scores 64 overall, wins 4 of 9 usage categories and 3 of 21 specs.