Canon L EF 17-40mm f/4L USM
Canon
61 Overall Score
vs
Sigma Contemporary 45mm f/2.8 DG DN 45mm
Sigma
75 Overall Score
Scores
Street
Portrait
Travel
Professional
Landscape
Video Cinema
Budget
Macro
Wildlife Sports
Specifications
| Canon L EF 17-40mm f/4L USM | Sigma Contemporary 45mm f/2.8 DG DN 45mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 17 mm | 45 mm |
| Focal Length Max | 40 mm | 45 mm |
| Elements | 12 | 8 |
| Groups | 9 | 7 |
| Aspherical Elements | 3★ | — |
| ED Elements | 1★ | — |
| Coating | Super Spectra coating | Super Multi-Layer Coating |
| Aperture | ||
| Max Aperture | f/22 | f/2.8 |
| Min Aperture | f/4 | f/2.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 7 | 7 |
| Build | ||
| Mount | Canon EF | Sony E |
| Format | full-frame | full-frame |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.50 kg | 0.21 kg★ |
| Filter Thread | 77 mm | 55 mm |
| AF & Stabilization | ||
| AF Type | USM★ | stepping motor |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 280 mm | 240 mm★ |
| Max Magnification | 0.24x | 1:4★ |
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 Contemporary 45mm f/2.8 DG DN 45mm
- Strong build (90th percentile)90th %ile
- Strong aperture (88th percentile)88th %ile
- Strong bokeh (87th percentile)87th %ile
- Strong af (85th percentile)85th %ile
- Below average versatility (33rd percentile)
- Below average stabilization (35th percentile)
Pricing
Canon L EF 17-40mm f/4L USM0.005score per dollar
vs
Sigma Contemporary 45mm f/2.8 DG DN 45mm0.007score per dollar
Sigma Contemporary 45mm f/2.8 DG DN 45mm offers 1.4x better value for money
Verdict
Winner: Sigma Contemporary 45mm f/2.8 DG DN 45mm
Scores 75 overall, wins 6 of 9 usage categories and 3 of 21 specs.
