IRIX Dragonfly 21mm f/1.4 Dragonfly 21mm
IRIX
36 総合スコア
vs
Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
98 総合スコア
スコア
Travel
Street
Budget
Professional
Macro
Video Cinema
Portrait
Landscape
Wildlife Sports
スペック
| IRIX Dragonfly 21mm f/1.4 Dragonfly 21mm | Sigma Contemporary 18-50mm f/2.8 DC DN | |
|---|---|---|
| Optics | ||
| Type | wide-angle | zoom |
| Focal Length Min | 21 mm | 18 mm |
| Focal Length Max | 21 mm | 50 mm |
| Elements | 15 | 13 |
| Groups | 11 | 10 |
| Aspherical Elements | 2 | 3★ |
| ED Elements | 4★ | 1 |
| Coating | 1034 | Super Multi-Layer Coating |
| Aperture | ||
| Max Aperture | f/16 | f/2.8 |
| Min Aperture | f/1.4 | f/2.8 |
| Constant | — | ✓★ |
| Diaphragm Blades | 11★ | 7 |
| Build | ||
| Mount | Canon EF | Sony E |
| Format | full-frame★ | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.83 kg | 0.29 kg★ |
| Filter Thread | — | 55 mm |
| AF & Stabilization | ||
| AF Type | manual focus only | stepping motor★ |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 300 mm | 121 mm★ |
| Max Magnification | — | 1:2.8★ |
長所と短所
IRIX Dragonfly 21mm f/1.4 Dragonfly 21mm
- Strong optical (90th percentile)90th %ile
- Strong macro (71st percentile)
- Below average af (13th percentile)13th %ile
- Below average build (21st percentile)
- Below average versatility (34th percentile)
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
価格
IRIX Dragonfly 21mm f/1.4 Dragonfly 21mm0.086ドルあたりのスコア
vs
Sigma Contemporary 18-50mm f/2.8 DC DN0.172ドルあたりのスコア
Sigma Contemporary 18-50mm f/2.8 DC DN 2.0倍のコストパフォーマンス
結論
勝者: Sigma Contemporary 18-50mm f/2.8 DC DN
Scores 98 overall, wins 9 of 9 usage categories and 6 of 21 specs.
