Canon L EF 17-40mm f/4L USM
Canon
61 Overall Score
vs
Sigma Contemporary 18-50mm F2.8 DC DN
Sigma
58 Overall Score
Scores
Travel
Landscape
Budget
Portrait
Professional
Wildlife Sports
Street
Video Cinema
Macro
Specifications
| Canon L EF 17-40mm f/4L USM | Sigma Contemporary 18-50mm F2.8 DC DN | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 17 mm | 18 mm |
| Focal Length Max | 40 mm | 50 mm |
| Elements | 12 | — |
| Groups | 9 | — |
| Aspherical Elements | 3★ | — |
| ED Elements | 1★ | — |
| Coating | Super Spectra coating | — |
| Aperture | ||
| Max Aperture | f/22 | f/2.8 |
| Min Aperture | f/4 | f/2.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 7★ | — |
| Build | ||
| Mount | Canon EF | Canon RF |
| Format | full-frame★ | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.50 kg | 0.30 kg★ |
| Filter Thread | 77 mm | — |
| AF & Stabilization | ||
| AF Type | USM★ | — |
| Stabilization | ✗ | — |
| Focus | ||
| Min Focus Distance | 280 mm | 121 mm★ |
| Max Magnification | 0.24x | 1:2.8★ |
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 (34th percentile)
Sigma Contemporary 18-50mm F2.8 DC DN
- Strong macro (89th percentile)89th %ile
- Strong aperture (88th percentile)88th %ile
- Strong bokeh (87th percentile)87th %ile
- Strong build (81st percentile)81st %ile
- Below average social proof (15th percentile)15th %ile
- Below average optical (18th percentile)18th %ile
- Below average stabilization (34th percentile)
Pricing
Canon L EF 17-40mm f/4L USM
Sigma Contemporary 18-50mm F2.8 DC DN
No current pricing available
Verdict
Winner: Canon L EF 17-40mm f/4L USM
Scores 61 overall, wins 7 of 9 usage categories and 5 of 21 specs.
