Canon RF 28-70mm f/2.8 IS STM
Sigma Art 20mm f/1.4 DG DN 20mm
Scores
Spécifications
| Canon RF 28-70mm f/2.8 IS STM | Sigma Art 20mm f/1.4 DG DN 20mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 28 mm | 20 mm |
| Focal Length Max | 70 mm | 20 mm |
| Elements | 15 | 17 |
| Groups | 12 | 15 |
| Aspherical Elements | 2 | 3★ |
| ED Elements | 2 | 2 |
| Coating | Super Spectra Coating (SSC) | Super Multi-Layer Coating |
| Aperture | ||
| Max Aperture | f/22 | f/16 |
| Min Aperture | f/2.8 | f/1.4 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 9 | 11★ |
| Build | ||
| Mount | Canon RF | Sony E |
| Format | full-frame | full-frame |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.49 kg★ | 0.63 kg |
| Filter Thread | 67 mm | 82 mm |
| AF & Stabilization | ||
| AF Type | STM | STM |
| Stabilization | ✓★ | ✗ |
| Stabilization Stops | 5.5 stops★ | — |
| Focus | ||
| Min Focus Distance | 239 mm | 230 mm★ |
| Max Magnification | 1:4.2 | 1:6.1 |
Avantages & Inconvénients
Canon RF 28-70mm f/2.8 IS STM
- Strong stabilization (99th percentile)99th %ile
- Strong user sentiment (98th percentile)98th %ile
- Strong social proof (89th percentile)89th %ile
- Strong af (87th percentile)87th %ile
- Below average aperture (21st percentile)
- Below average bokeh (24th percentile)
Sigma Art 20mm f/1.4 DG DN 20mm
- Strong optical (95th percentile)95th %ile
- Strong af (87th percentile)87th %ile
- Strong macro (80th percentile)80th %ile
- Strong social proof (72nd percentile)
- Below average user sentiment (30th percentile)
- Below average versatility (33rd percentile)
Verdict
Scores 89 overall, wins 8 of 9 usage categories and 3 of 22 specs.