Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
99 综合评分
vs
KOMQI 311955
KOMQI
81 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
KOMQI 311955
88 满分 100 置信度高 55 条评价
适马50mm f/1.4 Art镜头因其卓越的锐度、美丽的散景以及快速安静的自动对焦而广受赞誉。用户一致强调其出色的做工质量以及与佳能L系列或尼康G系列等原厂替代品相比卓越的性价比。虽然许多人指出它比典型的50mm定焦镜头更重更大，但图像质量和性能被认为值得权衡。少数用户提到在弱光或旧固件下自动对焦偶尔不一致，但总体情绪极为积极。
优点
- 卓越的锐度
- 美丽的散景
- 快速安静的自动对焦
- 出色的做工质量
- 卓越的性价比
缺点
- 沉重且笨重
- 弱光下自动对焦犹豫
- f/1.4时边缘偏软
- 潜在的前后对焦问题
- 固件兼容性问题
Image quality 18
Bokeh 12
Autofocus performance 14
Build quality 10
Value for money 11
Weight and size 9
评分
Travel
Budget
Street
Professional
Portrait
Macro
Video Cinema
Landscape
Wildlife Sports
规格
| Sigma Contemporary 18-50mm f/2.8 DC DN | KOMQI 311955 | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 18 mm | 50 mm |
| Focal Length Max | 50 mm | 50 mm |
| Elements | 13 | 14 |
| Groups | 10 | 11 |
| Aspherical Elements | 3 | 3 |
| ED Elements | 1 | 1 |
| Coating | Super Multi-Layer Coating | Super Multi-Layer 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 | Nikon F |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.29 kg★ | 0.81 kg |
| Filter Thread | 55 mm | 77 mm |
| AF & Stabilization | ||
| AF Type | stepping motor★ | HSM |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 121 mm★ | 400 mm |
| Max Magnification | 1:2.8 | 1:5.6 |
优缺点
Sigma Contemporary 18-50mm f/2.8 DC DN
- Strong macro (92nd percentile)92nd %ile
- Strong social proof (90th percentile)90th %ile
- Strong aperture (86th percentile)86th %ile
- Strong af (86th percentile)86th %ile
KOMQI 311955
- Strong aperture (97th percentile)97th %ile
- Strong bokeh (97th percentile)97th %ile
- Strong social proof (90th percentile)90th %ile
- Strong optical (84th percentile)84th %ile
- Below average versatility (34th percentile)
价格
Sigma Contemporary 18-50mm f/2.8 DC DN0.008每美元得分
vs
KOMQI 3119550.005每美元得分
Sigma Contemporary 18-50mm f/2.8 DC DN 性价比高 1.6 倍
结论
胜出: Sigma Contemporary 18-50mm f/2.8 DC DN
Scores 99 overall, wins 8 of 9 usage categories and 3 of 21 specs.
