Rokinon RK8518 85mm F1.8 85mm
Rokinon
82 综合评分
vs
Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
98 综合评分
买家怎么说
Rokinon RK8518 85mm F1.8 85mm
暂无用户反馈
Sigma Contemporary 18-50mm f/2.8 DC DN
88 满分 100 置信度高 91 条评价
Sigma 18-50mm f/2.8 DC DN Contemporary 被广泛称赞为 APS-C 无反相机的一款紧凑、轻便且锐利的标准变焦镜头。用户一致强调其出色的图像质量、快速的 f/2.8 光圈和实惠的价格是主要优势，使其成为套机镜头的热门升级选择。常见的批评包括缺乏光学防抖和遮光罩设计不佳，但总体情绪极为积极。
优点
- 出色的图像锐度
- 紧凑轻巧的设计
- 快速恒定的 f/2.8 光圈
- 物超所值
- 快速安静的自动对焦
缺点
- 无光学防抖
- 遮光罩设计不佳
- 无防尘防滴
- 塑料制造工艺
- 变焦环方向与富士相反
Image quality 25
Build quality 12
Value for money 18
Size and weight 20
Autofocus performance 10
Stabilization 8
评分
Travel
Budget
Street
Video Cinema
Professional
Macro
Portrait
Landscape
Wildlife Sports
规格
| Rokinon RK8518 85mm F1.8 85mm | Sigma Contemporary 18-50mm f/2.8 DC DN | |
|---|---|---|
| Optics | ||
| Type | telephoto | zoom |
| Focal Length Min | 85 mm | 18 mm |
| Focal Length Max | 85 mm | 50 mm |
| Elements | 9 | 13 |
| Groups | 8 | 10 |
| Aspherical Elements | 3 | 3 |
| ED Elements | 1 | 1 |
| Coating | UMC | Super Multi-Layer Coating |
| Aperture | ||
| Max Aperture | f/1.8 | f/2.8 |
| Min Aperture | f/1.8 | f/2.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 9★ | 7 |
| Build | ||
| Mount | Fujifilm X | Sony E |
| Format | full-frame★ | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.27 kg★ | 0.29 kg |
| Filter Thread | 62 mm | 55 mm |
| AF & Stabilization | ||
| AF Type | Linear Stepping Motor | stepping motor |
| Stabilization | ✓★ | ✗ |
| Focus | ||
| Min Focus Distance | 128 mm | 121 mm★ |
| Max Magnification | 1:8.33 | 1:2.8 |
优缺点
Rokinon RK8518 85mm F1.8 85mm
- Strong bokeh (94th percentile)94th %ile
- Strong aperture (94th percentile)94th %ile
- Strong macro (89th percentile)89th %ile
- Strong build (86th percentile)86th %ile
- Below average social proof (15th percentile)15th %ile
- Below average versatility (34th percentile)
Sigma Contemporary 18-50mm f/2.8 DC DN
- Strong social proof (91st percentile)91st %ile
- Strong macro (90th percentile)90th %ile
- Strong aperture (85th percentile)85th %ile
- Strong af (85th percentile)85th %ile
- Below average stabilization (35th percentile)
价格
Rokinon RK8518 85mm F1.8 85mm0.259每美元得分
vs
Sigma Contemporary 18-50mm f/2.8 DC DN0.211每美元得分
Rokinon RK8518 85mm F1.8 85mm 性价比高 1.2 倍
结论
胜出: Sigma Contemporary 18-50mm f/2.8 DC DN
Scores 98 overall, wins 6 of 9 usage categories and 1 of 21 specs.
