Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
91 Score global
vs
Sirui Astra 50mm
Sirui
66 Score global
Scores
Street
Professional
Macro
Travel
Budget
Video Cinema
Portrait
Landscape
Wildlife Sports
Spécifications
| Sigma Contemporary 18-50mm f/2.8 DC DN | Sirui Astra 50mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 18 mm | 50 mm |
| Focal Length Max | 50 mm | 50 mm |
| Elements | 13 | — |
| Groups | 10 | — |
| Aspherical Elements | 3★ | — |
| ED Elements | 1★ | — |
| Coating | Super Multi-Layer Coating | — |
| Aperture | ||
| Max Aperture | f/2.8 | T1.8 |
| Min Aperture | f/2.8 | T1.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 7★ | — |
| Build | ||
| Mount | Sony E | Nikon Z |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.29 kg★ | 0.62 kg |
| Filter Thread | 55 mm | — |
| AF & Stabilization | ||
| AF Type | stepping motor★ | Autofocus |
| Stabilization | ✗ | ✓★ |
| Focus | ||
| Min Focus Distance | 122 mm | 44 mm★ |
| Max Magnification | 1:2.8★ | — |
Avantages & Inconvénients
Sigma Contemporary 18-50mm f/2.8 DC DN
- Strong macro (91st percentile)91st %ile
- Strong af (87th percentile)87th %ile
- Strong build (87th percentile)87th %ile
- Strong optical (83rd percentile)83rd %ile
- Below average social proof (21st percentile)
Sirui Astra 50mm
- Strong macro (96th percentile)96th %ile
- Strong aperture (92nd percentile)92nd %ile
- Strong bokeh (90th percentile)90th %ile
- Strong stabilization (83rd percentile)83rd %ile
- Below average optical (21st percentile)
- Below average versatility (34th percentile)
Verdict
Gagnant: Sigma Contemporary 18-50mm f/2.8 DC DN
Scores 91 overall, wins 9 of 9 usage categories and 6 of 21 specs.