Sirui Astra 50mm
Sirui
58 综合评分
vs
Sigma Contemporary 10-18mm f/2.8 DC DN
Sigma
92 综合评分
评分
Travel
Street
Professional
Macro
Portrait
Budget
Landscape
Video Cinema
Wildlife Sports
规格
| Sirui Astra 50mm | Sigma Contemporary 10-18mm f/2.8 DC DN | |
|---|---|---|
| Optics | ||
| Type | prime | zoom |
| Focal Length Min | 50 mm | 10 mm |
| Focal Length Max | 50 mm | 18 mm |
| Elements | — | 13 |
| Groups | — | 10 |
| Aspherical Elements | — | 1★ |
| ED Elements | — | 4★ |
| Coating | — | Super Multi-Layer Coating |
| Aperture | ||
| Max Aperture | T1.8 | f/2.8 |
| Min Aperture | T1.8 | f/2.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | — | 7★ |
| Build | ||
| Mount | L-Mount | Sony E |
| Format | full-frame★ | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.63 kg | 0.26 kg★ |
| Filter Thread | — | 67 mm |
| AF & Stabilization | ||
| AF Type | Autofocus | Autofocus |
| Stabilization | ✓★ | ✗ |
| Focus | ||
| Min Focus Distance | 44 mm★ | 117 mm |
| Max Magnification | — | 1:4★ |
优缺点
Sirui Astra 50mm
- Strong macro (97th percentile)97th %ile
- Strong aperture (94th percentile)94th %ile
- Strong bokeh (92nd percentile)92nd %ile
- Strong stabilization (83rd percentile)83rd %ile
- Below average social proof (12th percentile)12th %ile
- Below average optical (18th percentile)18th %ile
- Below average versatility (34th percentile)
Sigma Contemporary 10-18mm f/2.8 DC DN
- Strong macro (93rd percentile)93rd %ile
- Strong build (87th percentile)87th %ile
- Strong aperture (86th percentile)86th %ile
- Strong bokeh (84th percentile)84th %ile
价格
Sirui Astra 50mm0.041每美元得分
vs
Sigma Contemporary 10-18mm f/2.8 DC DN0.100每美元得分
Sigma Contemporary 10-18mm f/2.8 DC DN 性价比高 2.4 倍
结论
胜出: Sigma Contemporary 10-18mm f/2.8 DC DN
Scores 92 overall, wins 9 of 9 usage categories and 5 of 21 specs.
