Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
91 综合评分
vs
IRIX Dragonfly IL-30DF-EF 30mm
IRIX
33 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 | IRIX Dragonfly IL-30DF-EF 30mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 18 mm | 30 mm |
| Focal Length Max | 50 mm | 30 mm |
| Elements | 13 | 13 |
| Groups | 10 | 11 |
| Aspherical Elements | 3★ | 1 |
| ED Elements | 1 | 3★ |
| Coating | Super Multi-Layer Coating | Neutrino multicoating |
| Aperture | ||
| Max Aperture | f/2.8 | f/16 |
| Min Aperture | f/2.8 | f/1.4 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 7 | 11★ |
| Build | ||
| Mount | Sony E | Nikon F |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.29 kg★ | 1.51 kg |
| Filter Thread | 55 mm | 86 mm |
| AF & Stabilization | ||
| AF Type | stepping motor★ | manual focus only |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 122 mm★ | 340 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)
IRIX Dragonfly IL-30DF-EF 30mm
- Strong optical (81st percentile)81st %ile
- Strong macro (67th percentile)
- Below average social proof (8th percentile)8th %ile
- Below average af (13th percentile)13th %ile
- Below average build (18th percentile)18th %ile
- Below average versatility (34th percentile)
价格
Sigma Contemporary 18-50mm f/2.8 DC DN0.165每美元得分
vs
IRIX Dragonfly IL-30DF-EF 30mm0.067每美元得分
Sigma Contemporary 18-50mm f/2.8 DC DN 性价比高 2.5 倍
结论
胜出: Sigma Contemporary 18-50mm f/2.8 DC DN
Scores 91 overall, wins 9 of 9 usage categories and 5 of 21 specs.
