Pentax D FA 21217 70-210mm
Pentax
48 综合评分
vs
Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
98 综合评分
评分
Travel
Street
Budget
Professional
Macro
Video Cinema
Portrait
Landscape
Wildlife Sports
规格
| Pentax D FA 21217 70-210mm | Sigma Contemporary 18-50mm f/2.8 DC DN | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 70 mm | 18 mm |
| Focal Length Max | 210 mm | 50 mm |
| Elements | 20 | 13 |
| Groups | 14 | 10 |
| Aspherical Elements | — | 3★ |
| ED Elements | 3★ | 1 |
| Coating | HD Coating | Super Multi-Layer Coating |
| Aperture | ||
| Max Aperture | f/32 | f/2.8 |
| Min Aperture | f/4 | f/2.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 9★ | 7 |
| Build | ||
| Mount | Pentax K | Sony E |
| Format | full-frame★ | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.82 kg | 0.29 kg★ |
| Filter Thread | 67 mm | 55 mm |
| AF & Stabilization | ||
| AF Type | SDM | stepping motor★ |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 950 mm | 121 mm★ |
| Max Magnification | 1:3.13 | 1:2.8 |
优缺点
Pentax D FA 21217 70-210mm
- Strong optical (92nd percentile)92nd %ile
- Strong versatility (82nd percentile)82nd %ile
- Strong user sentiment (81st percentile)81st %ile
- Below average aperture (5th percentile)5th %ile
- Below average bokeh (7th percentile)7th %ile
Sigma Contemporary 18-50mm f/2.8 DC DN
- Strong macro (92nd percentile)92nd %ile
- Strong social proof (90th percentile)90th %ile
- Strong af (87th percentile)87th %ile
- Strong build (86th percentile)86th %ile
价格
Pentax D FA 21217 70-210mm0.045每美元得分
vs
Sigma Contemporary 18-50mm f/2.8 DC DN0.210每美元得分
Sigma Contemporary 18-50mm f/2.8 DC DN 性价比高 4.7 倍
Pentax D FA 21217 70-210mm
Sigma Contemporary 18-50mm f/2.8 DC DN
结论
胜出: Sigma Contemporary 18-50mm f/2.8 DC DN
Scores 98 overall, wins 9 of 9 usage categories and 4 of 21 specs.
