Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
99 综合评分
vs
7Artisans AutoFocus 35mm F1.8 Full Frame 35mm
7Artisans
89 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
7Artisans AutoFocus 35mm F1.8 Full Frame 35mm
92 满分 100 置信度中 21 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低光性能而获得压倒性的正面评价。用户欣赏其相比替代品更轻的重量，并认为它是摄影和视频方面可靠的專業工具。一些问答指出，相机关闭时内部稳定器的移动是正常的，并非缺陷。
优点
- 锐利的图像质量
- 快速灵敏的自动对焦
- 出色的低光性能
- 轻量化设计
- 非常适合视频
缺点
- 关机时内部稳定器移动
- 非齐焦
- 电子对焦系统
- 泰国制造（感知质量担忧）
Image quality 5
Autofocus performance 4
Low light performance 2
Build quality 5
Weight and portability 2
Video suitability 2
评分
Travel
Budget
Street
Professional
Portrait
Macro
Video Cinema
Landscape
Wildlife Sports
规格
| Sigma Contemporary 18-50mm f/2.8 DC DN | 7Artisans AutoFocus 35mm F1.8 Full Frame 35mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 18 mm | 35 mm |
| Focal Length Max | 50 mm | 35 mm |
| Elements | 13 | 11 |
| Groups | 10 | 8 |
| Aspherical Elements | 3★ | 2 |
| ED Elements | 1 | 1 |
| Coating | Super Multi-Layer Coating | — |
| Aperture | ||
| Max Aperture | f/2.8 | f/1.8 |
| Min Aperture | f/2.8 | f/1.8 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 7 | 11★ |
| Build | ||
| Mount | Sony E | Nikon Z |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓★ | ✗ |
| Weight | 0.29 kg★ | 0.43 kg |
| Filter Thread | 55 mm | 62 mm |
| AF & Stabilization | ||
| AF Type | stepping motor | STM★ |
| Stabilization | ✗ | ✓★ |
| Focus | ||
| Min Focus Distance | 121 mm | 35 mm★ |
| Max Magnification | 1:2.8★ | — |
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
7Artisans AutoFocus 35mm F1.8 Full Frame 35mm
- Strong macro (97th percentile)97th %ile
- Strong bokeh (97th percentile)97th %ile
- Strong aperture (94th percentile)94th %ile
- Strong user sentiment (91st percentile)91st %ile
- Below average versatility (34th percentile)
价格
Sigma Contemporary 18-50mm f/2.8 DC DN0.029每美元得分
vs
7Artisans AutoFocus 35mm F1.8 Full Frame 35mm0.052每美元得分
7Artisans AutoFocus 35mm F1.8 Full Frame 35mm 性价比高 1.8 倍
结论
胜出: Sigma Contemporary 18-50mm f/2.8 DC DN
Scores 99 overall, wins 7 of 9 usage categories and 5 of 21 specs.
