Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
91 综合评分
vs
7Artisans AF For Sony E Mount 40mm
7Artisans
39 综合评分
评分
Street
Professional
Macro
Travel
Budget
Video Cinema
Portrait
Landscape
Wildlife Sports
规格
| Sigma Contemporary 18-50mm f/2.8 DC DN | 7Artisans AF For Sony E Mount 40mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 18 mm | 40 mm |
| Focal Length Max | 50 mm | 40 mm |
| Elements | 13 | 7 |
| Groups | 10 | 6 |
| Aspherical Elements | 3★ | — |
| ED Elements | 1★ | — |
| Coating | Super Multi-Layer Coating | — |
| Aperture | ||
| Max Aperture | f/2.8 | f/16 |
| Min Aperture | f/2.8 | f/2.5 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 7 | 9★ |
| Build | ||
| Mount | Sony E | Sony E |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓★ | ✗ |
| Weight | 0.29 kg | 0.10 kg★ |
| Filter Thread | 55 mm | 46 mm |
| AF & Stabilization | ||
| AF Type | stepping motor★ | Autofocus |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 122 mm★ | 400 mm |
| Max Magnification | 1:2.8★ | — |
优缺点
Sigma Contemporary 18-50mm f/2.8 DC DN
- Strong macro (91st percentile)91st %ile
- Strong af (87th percentile)87th %ile
- Strong build (87th percentile)87th %ile
- Strong optical (83rd percentile)83rd %ile
- Below average social proof (21st percentile)
7Artisans AF For Sony E Mount 40mm
- Strong build (98th percentile)98th %ile
- Below average optical (3rd percentile)3rd %ile
- Below average user sentiment (16th percentile)16th %ile
- Below average versatility (34th percentile)
- Below average bokeh (35th percentile)
结论
胜出: Sigma Contemporary 18-50mm f/2.8 DC DN
Scores 91 overall, wins 9 of 9 usage categories and 7 of 21 specs.