Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
99 综合评分
vs
Viltrox AF 14/4.0 L 14mm
Viltrox
71 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
Viltrox AF 14/4.0 L 14mm
85 满分 100 置信度高 44 条评价
唯卓仕镜头因其卓越的性价比而广受赞誉，以远低于品牌替代品的价格提供了锐利的图像质量、坚固的做工和快速的自动对焦。许多用户强调其在人像、风景和街拍中的出色表现，尤其对135mm f/1.8和16mm f/1.8型号赞不绝口。少数孤立投诉提到了弱光下的自动对焦困难、暗角和一些轻微的质量控制问题，但总体情绪非常积极。
优点
- 卓越的性价比
- 锐利的图像质量
- 坚固的做工
- 快速准确的自动对焦
- 轻巧紧凑的设计
缺点
- 弱光下自动对焦困难
- 大光圈下暗角
- 轻微色差
- 无防尘防滴
- 自动对焦噪音可闻
Value for money 30
Image quality 28
Build quality 20
Autofocus performance 18
Weight and portability 15
Low light performance 10
评分
Travel
Budget
Street
Professional
Portrait
Macro
Video Cinema
Landscape
Wildlife Sports
规格
| Sigma Contemporary 18-50mm f/2.8 DC DN | Viltrox AF 14/4.0 L 14mm | |
|---|---|---|
| Optics | ||
| Type | zoom | wide-angle |
| Focal Length Min | 18 mm | 14 mm |
| Focal Length Max | 50 mm | 14 mm |
| Elements | 13 | 12 |
| Groups | 10 | 9 |
| Aspherical Elements | 3★ | 2 |
| ED Elements | 1 | 4★ |
| Coating | Super Multi-Layer Coating | HD multilayer nano coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/16 |
| Min Aperture | f/2.8 | f/4 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 7 | 7 |
| Build | ||
| Mount | Sony E | L-Mount |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.29 kg | 0.17 kg★ |
| Filter Thread | 55 mm | 58 mm |
| AF & Stabilization | ||
| AF Type | stepping motor | STM+Lead screw★ |
| Stabilization | ✗ | ✓★ |
| Focus | ||
| Min Focus Distance | 121 mm★ | 130 mm |
| Max Magnification | 1:2.8★ | 0.23X |
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 (86th percentile)86th %ile
- Strong af (85th percentile)85th %ile
Viltrox AF 14/4.0 L 14mm
- Strong build (95th percentile)95th %ile
- Strong af (85th percentile)85th %ile
- Strong optical (84th percentile)84th %ile
- Strong stabilization (80th percentile)80th %ile
- Below average bokeh (30th percentile)
- Below average versatility (34th percentile)
价格
Sigma Contemporary 18-50mm f/2.8 DC DN0.174每美元得分
vs
Viltrox AF 14/4.0 L 14mm0.357每美元得分
Viltrox AF 14/4.0 L 14mm 性价比高 2.1 倍
结论
胜出: Sigma Contemporary 18-50mm f/2.8 DC DN
Scores 99 overall, wins 9 of 9 usage categories and 4 of 21 specs.
