Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
90 综合评分
vs
TTArtisan APS-C 25mm f/2 25mm
TTArtisan
45 综合评分
评分
Street
Professional
Travel
Macro
Budget
Video Cinema
Portrait
Wildlife Sports
Landscape
规格
| Sigma Contemporary 18-50mm f/2.8 DC DN | TTArtisan APS-C 25mm f/2 25mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 18 mm | 25 mm |
| Focal Length Max | 50 mm | 25 mm |
| Elements | 13 | 7 |
| Groups | 10 | 5 |
| Aspherical Elements | 3★ | — |
| ED Elements | 1★ | — |
| Coating | Super Multi-Layer Coating | — |
| Aperture | ||
| Max Aperture | f/2.8 | f/16 |
| Min Aperture | f/2.8 | f/2 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 7 | 7 |
| Build | ||
| Mount | Sony E | Micro Four Thirds |
| Format | APS-C | APS-C |
| Weather Sealed | ✓★ | ✗ |
| Weight | 0.29 kg★ | 0.31 kg |
| Filter Thread | 55 mm | 43 mm |
| AF & Stabilization | ||
| AF Type | stepping motor★ | manual focus only |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 122 mm★ | 250 mm |
| Max Magnification | 1:2.8 | 1:4 |
优缺点
Sigma Contemporary 18-50mm f/2.8 DC DN
- Strong macro (91st percentile)91st %ile
- Strong af (87th percentile)87th %ile
- Strong build (86th percentile)86th %ile
- Strong aperture (83rd percentile)83rd %ile
- Below average social proof (21st percentile)
TTArtisan APS-C 25mm f/2 25mm
- Strong macro (78th percentile)
- Strong social proof (76th percentile)
- Strong build (74th percentile)
- Below average optical (3rd percentile)3rd %ile
- Below average af (13th percentile)13th %ile
- Below average bokeh (27th percentile)
- Below average versatility (34th percentile)
价格
Sigma Contemporary 18-50mm f/2.8 DC DN0.007每美元得分
vs
TTArtisan APS-C 25mm f/2 25mm0.037每美元得分
TTArtisan APS-C 25mm f/2 25mm 性价比高 5.3 倍
Sigma Contemporary 18-50mm f/2.8 DC DN
TTArtisan APS-C 25mm f/2 25mm
结论
胜出: Sigma Contemporary 18-50mm f/2.8 DC DN
Scores 90 overall, wins 9 of 9 usage categories and 7 of 21 specs.
