Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
100 综合评分
vs
Tamron Di III 17-70mm f/2.8 Di III-A VC RXD
Tamron
99 综合评分
评分
Street
Travel
Video Cinema
Budget
Professional
Macro
Portrait
Landscape
Wildlife Sports
规格
| Sigma Contemporary 18-50mm f/2.8 DC DN | Tamron Di III 17-70mm f/2.8 Di III-A VC RXD | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 18 mm | 17 mm |
| Focal Length Max | 50 mm | 70 mm |
| Elements | 13 | 16 |
| Groups | 10 | 12 |
| Aspherical Elements | 3 | 3 |
| ED Elements | 1 | 2★ |
| Coating | Super Multi-Layer Coating | Fluorine Coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/2.8 |
| Min Aperture | f/2.8 | f/2.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 7 | 9★ |
| Build | ||
| Mount | Sony E | Sony E |
| Format | APS-C | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.29 kg★ | 0.54 kg |
| Filter Thread | 55 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | stepping motor★ | RXD |
| Stabilization | ✗ | ✓★ |
| Focus | ||
| Min Focus Distance | 121 mm★ | 190 mm |
| Max Magnification | 1:2.8 | 1:4.8 |
优缺点
Sigma Contemporary 18-50mm f/2.8 DC DN
- Strong macro (91st percentile)91st %ile
- Strong social proof (90th percentile)90th %ile
- Strong af (88th percentile)88th %ile
- Strong build (87th percentile)87th %ile
Tamron Di III 17-70mm f/2.8 Di III-A VC RXD
- Strong optical (91st percentile)91st %ile
- Strong versatility (89th percentile)89th %ile
- Strong social proof (86th percentile)86th %ile
- Strong bokeh (86th percentile)86th %ile
价格
Sigma Contemporary 18-50mm f/2.8 DC DN0.029每美元得分
vs
Tamron Di III 17-70mm f/2.8 Di III-A VC RXD0.021每美元得分
Sigma Contemporary 18-50mm f/2.8 DC DN 性价比高 1.4 倍
Sigma Contemporary 18-50mm f/2.8 DC DN
Tamron Di III 17-70mm f/2.8 Di III-A VC RXD
结论
平局
Both products are closely matched - Sigma Contemporary 18-50mm f/2.8 DC DN wins 3 specs while Tamron Di III 17-70mm f/2.8 Di III-A VC RXD wins 3.
