Tamron Di III F050 20mm
Tamron
74 综合评分
vs
Sigma Art 17-40mm f/1.8 DC 40mm
Sigma
91 综合评分
评分
Professional
Portrait
Budget
Video Cinema
Macro
Street
Landscape
Travel
Wildlife Sports
规格
| Tamron Di III F050 20mm | Sigma Art 17-40mm f/1.8 DC 40mm | |
|---|---|---|
| Optics | ||
| Type | prime | zoom |
| Focal Length Min | 20 mm | 17 mm |
| Focal Length Max | 20 mm | 40 mm |
| Elements | 10 | 17 |
| Groups | 9 | 11 |
| Aspherical Elements | — | 4★ |
| ED Elements | — | 4★ |
| Coating | Fluorine coating, Broad-Band Anti-Reflection coating | Super Multi-Layer Coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/1.8 |
| Min Aperture | f/2.8 | f/1.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 7 | 11★ |
| Build | ||
| Mount | Sony E | Fujifilm X |
| Format | full-frame★ | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.23 kg★ | 0.54 kg |
| Filter Thread | 67 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | OSD | HLA (High-response Linear Actuator) |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 119 mm★ | 280 mm |
| Max Magnification | 1:2 | 1:4.8 |
优缺点
Tamron Di III F050 20mm
- Strong macro (91st percentile)91st %ile
- Strong build (91st percentile)91st %ile
- Strong aperture (83rd percentile)83rd %ile
- Strong bokeh (80th percentile)80th %ile
- Below average versatility (34th percentile)
Sigma Art 17-40mm f/1.8 DC 40mm
- Strong optical (97th percentile)97th %ile
- Strong bokeh (96th percentile)96th %ile
- Strong aperture (93rd percentile)93rd %ile
- Strong social proof (90th percentile)90th %ile
价格
Tamron Di III F050 20mm0.296每美元得分
vs
Sigma Art 17-40mm f/1.8 DC 40mm0.100每美元得分
Tamron Di III F050 20mm 性价比高 3.0 倍
结论
胜出: Sigma Art 17-40mm f/1.8 DC 40mm
Scores 91 overall, wins 9 of 9 usage categories and 3 of 21 specs.
