Sigma Contemporary 28-70mm f/2.8 DG DN
Brightin Star 50mm f/1.05 50mm
Scores
Specifications
| Sigma Contemporary 28-70mm f/2.8 DG DN | Brightin Star 50mm f/1.05 50mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 28 mm | 50 mm |
| Focal Length Max | 70 mm | 50 mm |
| Elements | 16 | 10 |
| Groups | 12 | 8 |
| Aspherical Elements | 3★ | — |
| ED Elements | 4★ | 2 |
| Coating | Super Multi-Layer Coating and Nano Porous Coating | Multi-Layer Coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/11 |
| Min Aperture | f/2.8 | f/1.05 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 9 | 15★ |
| Build | ||
| Mount | Sony E | Sony E |
| Format | full-frame | full-frame |
| Weather Sealed | ✓★ | — |
| Weight | 0.47 kg★ | 0.61 kg |
| Filter Thread | 67 mm | 58 mm |
| AF & Stabilization | ||
| AF Type | stepping motor★ | manual focus only |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 190 mm★ | 570 mm |
| Max Magnification | 3.3 to 4.6 x★ | 1:8 |
Pros & Cons
Sigma Contemporary 28-70mm f/2.8 DG DN
- Strong optical (95th percentile)95th %ile
- Strong macro (95th percentile)95th %ile
- Strong bokeh (91st percentile)91st %ile
- Strong aperture (88th percentile)88th %ile
- Below average stabilization (34th percentile)
Brightin Star 50mm f/1.05 50mm
- Strong social proof (94th percentile)94th %ile
- Below average af (15th percentile)15th %ile
- Below average versatility (33rd percentile)
- Below average stabilization (34th percentile)
Pricing
Brightin Star 50mm f/1.05 50mm offers 1.3x better value for money
Verdict
Scores 94 overall, wins 9 of 9 usage categories and 7 of 21 specs.