Pentax HD PENTAX-D FA 28050 21mm
Pentax
55 综合评分
vs
Sigma Contemporary 16-300mm f/3.5-6.7 DC OS
Sigma
98 综合评分
评分
Macro
Landscape
Budget
Travel
Video Cinema
Wildlife Sports
Portrait
Professional
Street
规格
| Pentax HD PENTAX-D FA 28050 21mm | Sigma Contemporary 16-300mm f/3.5-6.7 DC OS | |
|---|---|---|
| Optics | ||
| Type | wide-angle | zoom |
| Focal Length Min | 21 mm | 16 mm |
| Focal Length Max | 21 mm | 300 mm |
| Elements | 11 | 20 |
| Groups | 8 | 14 |
| Aspherical Elements | 1 | 4★ |
| ED Elements | 4 | 5★ |
| Coating | High-Grade Multi-Layer HD Coating | water- and oil-repellent coating |
| Aperture | ||
| Max Aperture | f/22 | f/3.5 |
| Min Aperture | f/2.4 | 3.5-6.7 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 8 | 9★ |
| Build | ||
| Mount | Pentax K | Sony E |
| Format | full-frame★ | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.42 kg★ | 0.61 kg |
| Filter Thread | 67 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | Autofocus | HLA |
| Stabilization | ✗ | ✓★ |
| Stabilization Stops | — | 6 stops★ |
| Focus | ||
| Min Focus Distance | 180 mm | 170 mm★ |
| Max Magnification | 1:3.85 | 1:2 |
优缺点
Pentax HD PENTAX-D FA 28050 21mm
- Strong macro (87th percentile)87th %ile
- Strong build (77th percentile)
- Strong optical (76th percentile)
- Below average bokeh (18th percentile)18th %ile
- Below average aperture (20th percentile)20th %ile
- Below average versatility (34th percentile)
Sigma Contemporary 16-300mm f/3.5-6.7 DC OS
- Strong versatility (100th percentile)100th %ile
- Strong optical (99th percentile)99th %ile
- Strong stabilization (99th percentile)99th %ile
- Strong macro (88th percentile)88th %ile
价格
Pentax HD PENTAX-D FA 28050 21mm0.039每美元得分
vs
Sigma Contemporary 16-300mm f/3.5-6.7 DC OS0.141每美元得分
Sigma Contemporary 16-300mm f/3.5-6.7 DC OS 性价比高 3.6 倍
结论
胜出: Sigma Contemporary 16-300mm f/3.5-6.7 DC OS
Scores 98 overall, wins 9 of 9 usage categories and 6 of 22 specs.
