Tamron Di III 17-70mm f/2.8 Di III-A VC RXD 70mm
Tamron
97 综合评分
vs
Sigma Contemporary 23mm f/1.4 DC DN 23mm
Sigma
85 综合评分
评分
Video Cinema
Budget
Macro
Professional
Portrait
Travel
Street
Landscape
Wildlife Sports
规格
| Tamron Di III 17-70mm f/2.8 Di III-A VC RXD 70mm | Sigma Contemporary 23mm f/1.4 DC DN 23mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 17 mm | 23 mm |
| Focal Length Max | 70 mm | 23 mm |
| Elements | 16 | 13 |
| Groups | 12 | 10 |
| Aspherical Elements | 3★ | 2 |
| ED Elements | 2 | 3★ |
| Coating | Fluorine Coating | Super Multi-Layer Coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/1.4 |
| Min Aperture | f/2.8 | f/1.4 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 9 | 9 |
| Build | ||
| Mount | Sony E | Sony E |
| Format | APS-C | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.54 kg | 0.34 kg★ |
| Filter Thread | 67 mm | 52 mm |
| AF & Stabilization | ||
| AF Type | RXD | stepping motor★ |
| Stabilization | ✓★ | ✗ |
| Focus | ||
| Min Focus Distance | 190 mm★ | 250 mm |
| Max Magnification | 1:4.8 | 1:7.3 |
优缺点
Tamron Di III 17-70mm f/2.8 Di III-A VC RXD 70mm
- Strong optical (91st percentile)91st %ile
- Strong versatility (90th percentile)90th %ile
- Strong bokeh (87th percentile)87th %ile
- Strong macro (86th percentile)86th %ile
Sigma Contemporary 23mm f/1.4 DC DN 23mm
- Strong bokeh (97th percentile)97th %ile
- Strong aperture (96th percentile)96th %ile
- Strong af (87th percentile)87th %ile
- Strong optical (84th percentile)84th %ile
- Below average versatility (34th percentile)
价格
Tamron Di III 17-70mm f/2.8 Di III-A VC RXD 70mm0.119每美元得分
vs
Sigma Contemporary 23mm f/1.4 DC DN 23mm0.155每美元得分
Sigma Contemporary 23mm f/1.4 DC DN 23mm 性价比高 1.3 倍
结论
胜出: Tamron Di III 17-70mm f/2.8 Di III-A VC RXD 70mm
Scores 97 overall, wins 7 of 9 usage categories and 3 of 21 specs.
