Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
100 综合评分
vs
Pentax DA* 12345 18mm
Pentax
60 综合评分
评分
Travel
Street
Budget
Professional
Macro
Portrait
Wildlife Sports
Video Cinema
Landscape
规格
| Sigma Contemporary 18-50mm f/2.8 DC DN | Pentax DA* 12345 18mm | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 18 mm | 11 mm |
| Focal Length Max | 50 mm | 18 mm |
| Elements | 13 | 16 |
| Groups | 10 | 11 |
| Aspherical Elements | 3★ | 2 |
| ED Elements | 1 | 2★ |
| Coating | Super Multi-Layer Coating | Aero Bright II Coating, Super Protect Coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/22 |
| Min Aperture | f/2.8 | f/2.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 7 | 9★ |
| Build | ||
| Mount | Sony E | Pentax K |
| Format | APS-C | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.29 kg★ | 0.70 kg |
| Filter Thread | 55 mm | 82 mm |
| AF & Stabilization | ||
| AF Type | stepping motor★ | DC |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 121 mm★ | 300 mm |
| Max Magnification | 1:2.8 | 1:10 |
优缺点
Sigma Contemporary 18-50mm f/2.8 DC DN
- Strong macro (91st percentile)91st %ile
- Strong social proof (89th percentile)89th %ile
- Strong af (87th percentile)87th %ile
- Strong build (87th percentile)87th %ile
Pentax DA* 12345 18mm
- Strong optical (88th percentile)88th %ile
- Strong user sentiment (81st percentile)81st %ile
- Strong macro (71st percentile)
- Strong versatility (68th percentile)
- Below average aperture (21st percentile)
- Below average bokeh (23rd percentile)
价格
Sigma Contemporary 18-50mm f/2.8 DC DN0.214每美元得分
vs
Pentax DA* 12345 18mm0.040每美元得分
Sigma Contemporary 18-50mm f/2.8 DC DN 性价比高 5.4 倍
Sigma Contemporary 18-50mm f/2.8 DC DN
Pentax DA* 12345 18mm
结论
胜出: Sigma Contemporary 18-50mm f/2.8 DC DN
Scores 100 overall, wins 9 of 9 usage categories and 4 of 21 specs.
