Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
98 综合评分
vs
7Artisans Photoelectric 50mm f/1.8 50mm
7Artisans
41 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 Photoelectric 50mm f/1.8 50mm
48 满分 100 置信度低 9 条评价
关于这款手动光圈镜头的评价存在严重分歧。多位买家称赞其特色、色彩和性价比，而另一些人则报告图像模糊，与富士镜头相比锐度不足。商品信息未能明确说明手动光圈，这令部分用户感到沮丧。总体而言，这是一款面向温和天气下耐心摄影师的平价小众镜头。
优点
- 出色的色彩和特色
- 性价比高
- 小巧轻便
- 漂亮的散景
- 不错的做工质量
缺点
- 仅手动光圈
- 锐度差
- 不适合寒冷天气
- 商品信息具有误导性
Sharpness 3
Value for money 3
Aperture type 2
Build quality 3
Color and character 3
Weather performance 1
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 Photoelectric 50mm f/1.8 50mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 18 mm | 50 mm |
| Focal Length Max | 50 mm | 50 mm |
| Elements | 13 | 6 |
| Groups | 10 | 5 |
| Aspherical Elements | 3★ | — |
| ED Elements | 1★ | — |
| Coating | Super Multi-Layer Coating | Multi-layer coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/1.8 |
| Min Aperture | f/2.8 | f/1.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 7 | 12★ |
| Build | ||
| Mount | Sony E | Fujifilm X |
| Format | APS-C | APS-C |
| Weather Sealed | ✓★ | — |
| Weight | 0.29 kg★ | 0.40 kg |
| Filter Thread | 55 mm | 52 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 (90th percentile)90th %ile
- Strong macro (90th percentile)90th %ile
- Strong aperture (86th percentile)86th %ile
- Strong af (85th percentile)85th %ile
7Artisans Photoelectric 50mm f/1.8 50mm
- Strong bokeh (98th percentile)98th %ile
- Strong aperture (94th percentile)94th %ile
- Below average user sentiment (3rd percentile)3rd %ile
- Below average af (15th percentile)15th %ile
- Below average versatility (34th percentile)
- Below average optical (34th percentile)
价格
Sigma Contemporary 18-50mm f/2.8 DC DN
7Artisans Photoelectric 50mm f/1.8 50mm
No current pricing available
结论
胜出: Sigma Contemporary 18-50mm f/2.8 DC DN
Scores 98 overall, wins 9 of 9 usage categories and 7 of 21 specs.
