Sigma Contemporary 28-70mm f/2.8 DG DN
Sigma
63 Overall Score
vs
Sirui Astra Series T1.8 1.33x 50mm Full-Frame Anamorphic 50mm
Sirui
52 Overall Score
Scores
Macro
Professional
Landscape
Portrait
Travel
Budget
Wildlife Sports
Street
Video Cinema
Specifications
| Sigma Contemporary 28-70mm f/2.8 DG DN | Sirui Astra Series T1.8 1.33x 50mm Full-Frame Anamorphic 50mm | |
|---|---|---|
| Optics | ||
| Type | zoom | — |
| Focal Length Min | 28 mm | 50 mm |
| Focal Length Max | 70 mm | 50 mm |
| Elements | 16 | 18 |
| Groups | 12 | 13 |
| Aspherical Elements | 3★ | — |
| ED Elements | 4★ | — |
| Coating | Super Multi-Layer & Nano Porous Coatings | — |
| Aperture | ||
| Max Aperture | f/22 | — |
| Min Aperture | f/2.8 | — |
| Constant | ✓★ | — |
| Diaphragm Blades | 9 | 11★ |
| Build | ||
| Mount | Sony E | L-Mount |
| Format | full-frame | Full-Frame (44 mm Image Circle) |
| Weather Sealed | ✓★ | — |
| Weight | 0.47 kg★ | 0.64 kg |
| Filter Thread | 67 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | Stepping Motor★ | Autofocus |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 190 mm★ | 500 mm |
| Max Magnification | 1:3.3 | 1:7.2 |
Pros & Cons
Sigma Contemporary 28-70mm f/2.8 DG DN
- Strong optical (96th percentile)96th %ile
- Strong af (87th percentile)87th %ile
- Strong macro (86th percentile)86th %ile
- Strong versatility (78th percentile)
- Below average social proof (20th percentile)20th %ile
- Below average aperture (20th percentile)20th %ile
- Below average bokeh (23rd percentile)
Sirui Astra Series T1.8 1.33x 50mm Full-Frame Anamorphic 50mm
- Strong bokeh (85th percentile)85th %ile
- Strong optical (73rd percentile)
- Strong aperture (66th percentile)
- Below average versatility (34th percentile)
Verdict
Winner: Sigma Contemporary 28-70mm f/2.8 DG DN
Scores 63 overall, wins 8 of 9 usage categories and 7 of 21 specs.