Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
99 综合评分
vs
Brightin Star AF 50mm f/0.95 II 50mm
Brightin Star
57 综合评分
买家怎么说
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
Brightin Star AF 50mm f/0.95 II 50mm
92 满分 100 置信度中 18 条评价
索尼 FE 70-200mm f/2.8 GM OSS II 镜头因其出色的锐度、快速自动对焦和低光性能而获得压倒性的积极反馈。用户强调其流畅的视频功能和坚固的构造，尽管有些人最初对关机时的内部移动表示担忧，但这被确认为正常现象。总体而言，它被赞誉为顶级的专业变焦镜头。
优点
- 出色的锐度
- 快速灵敏的自动对焦
- 出色的低光性能
- 流畅的视频功能
- 坚固的构造质量
缺点
- 关机时内部移动（正常但令人担忧）
- 非齐焦
- 重量较重（2.3磅）
Image quality 6
Autofocus performance 4
Low light performance 2
Video capabilities 2
Build quality 3
Internal movement concern 4
评分
Travel
Macro
Street
Budget
Professional
Portrait
Video Cinema
Landscape
Wildlife Sports
规格
| Sigma Contemporary 18-50mm f/2.8 DC DN | Brightin Star AF 50mm f/0.95 II 50mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 18 mm | 50 mm |
| Focal Length Max | 50 mm | 50 mm |
| Elements | 13 | 7 |
| Groups | 10 | 5 |
| Aspherical Elements | 3★ | — |
| ED Elements | 1 | 2★ |
| Coating | Super Multi-Layer Coating | Multi-Layer Coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/16 |
| Min Aperture | f/2.8 | f/0.95 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 7 | 13★ |
| Build | ||
| Mount | Sony E | Fujifilm X |
| Format | APS-C | APS-C |
| Weather Sealed | ✓★ | — |
| Weight | 0.29 kg★ | 0.44 kg |
| Filter Thread | 55 mm | 62 mm |
| AF & Stabilization | ||
| AF Type | stepping motor★ | manual focus only |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 121 mm★ | 500 mm |
| Max Magnification | 1:2.8★ | — |
优缺点
Sigma Contemporary 18-50mm f/2.8 DC DN
- Strong social proof (91st percentile)91st %ile
- Strong macro (90th percentile)90th %ile
- Strong aperture (87th percentile)87th %ile
- Strong af (86th percentile)86th %ile
Brightin Star AF 50mm f/0.95 II 50mm
- Strong social proof (94th percentile)94th %ile
- Strong user sentiment (91st percentile)91st %ile
- Below average af (15th percentile)15th %ile
- Below average versatility (34th percentile)
价格
Sigma Contemporary 18-50mm f/2.8 DC DN
Brightin Star AF 50mm f/0.95 II 50mm
No current pricing available
结论
胜出: Sigma Contemporary 18-50mm f/2.8 DC DN
Scores 99 overall, wins 9 of 9 usage categories and 7 of 21 specs.
