Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
98 综合评分
vs
Yongnuo YN23mm F1.4S DA DSM 23mm
Yongnuo
94 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
Yongnuo YN23mm F1.4S DA DSM 23mm
92 满分 100 置信度中 19 条评价
索尼 FE 70-200mm f/2.8 GM OSS II 镜头因其锐度、快速自动对焦和出色的做工获得了压倒性的好评。用户强调其在弱光和视频拍摄中的表现，许多人认为这是一次重大升级。一些问答涉及镜头关闭时的内部移动，已确认为稳定器的正常行为。
优点
- 锐利的图像质量
- 快速安静的自动对焦
- 出色的做工质量
- 良好的弱光性能
- 内部变焦机制
缺点
- 关闭时内部移动（正常但令人担忧）
- 比类似镜头重
- 非齐焦
- 电子对焦系统
Image quality 6
Autofocus performance 5
Build quality 4
Low light performance 3
Internal movement concerns 3
Weight 2
评分
Travel
Budget
Street
Portrait
Professional
Macro
Video Cinema
Landscape
Wildlife Sports
规格
| Sigma Contemporary 18-50mm f/2.8 DC DN | Yongnuo YN23mm F1.4S DA DSM 23mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 18 mm | 23 mm |
| Focal Length Max | 50 mm | 23 mm |
| Elements | 13 | 11 |
| Groups | 10 | 9 |
| Aspherical Elements | 3★ | — |
| ED Elements | 1 | 3★ |
| Coating | Super Multi-Layer Coating | nano-multilayer coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/1.4 |
| Min Aperture | f/2.8 | f/1.4 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 7 | 9★ |
| Build | ||
| Mount | Sony E | Sony E |
| Format | APS-C | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.29 kg★ | 0.37 kg |
| Filter Thread | 55 mm | 58 mm |
| AF & Stabilization | ||
| AF Type | stepping motor | DSM digital stepping motor |
| Stabilization | ✗ | ✓★ |
| Focus | ||
| Min Focus Distance | 121 mm | 23 mm★ |
| Max Magnification | 1:2.8★ | 0.1x |
优缺点
Sigma Contemporary 18-50mm f/2.8 DC DN
- Strong social proof (90th percentile)90th %ile
- Strong macro (90th percentile)90th %ile
- Strong aperture (86th percentile)86th %ile
- Strong af (85th percentile)85th %ile
Yongnuo YN23mm F1.4S DA DSM 23mm
- Strong social proof (99th percentile)99th %ile
- Strong aperture (97th percentile)97th %ile
- Strong bokeh (97th percentile)97th %ile
- Strong user sentiment (91st percentile)91st %ile
- Below average versatility (34th percentile)
价格
Sigma Contemporary 18-50mm f/2.8 DC DN
Yongnuo YN23mm F1.4S DA DSM 23mm
No current pricing available
结论
胜出: Sigma Contemporary 18-50mm f/2.8 DC DN
Scores 98 overall, wins 6 of 9 usage categories and 4 of 21 specs.
