Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
98 综合评分
vs
TTArtisan APS-C 50mm f/1.2 50mm
TTArtisan
50 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
TTArtisan APS-C 50mm f/1.2 50mm
88 满分 100 置信度高 43 条评价
TTArtisan 50mm f/1.2 镜头因其卓越的制造质量、全金属结构和出色的性价比而广受赞誉。用户一致称赞其美丽的散景、鲜艳的色彩和扎实的手感，不过许多人指出它对于其尺寸来说明显偏重。一些小抱怨包括麻烦的旋入式金属镜头盖以及在 f/1.2 全开光圈下边缘画质略软。
优点
- 卓越的制造质量
- 全金属结构
- 出色的性价比
- 美丽的散景
- 鲜艳的色彩和对比度
缺点
- 对于其尺寸来说偏重
- 旋入式金属镜头盖麻烦
- f/1.2 全开时边缘画质软
- 不含遮光罩
- 仅支持手动对焦
Build quality 18
Value for money 15
Bokeh 12
Weight 10
Image quality 14
Lens cap 5
评分
Travel
Budget
Street
Professional
Macro
Portrait
Video Cinema
Landscape
Wildlife Sports
规格
| Sigma Contemporary 18-50mm f/2.8 DC DN | TTArtisan APS-C 50mm f/1.2 50mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 18 mm | 50 mm |
| Focal Length Max | 50 mm | 50 mm |
| Elements | 13 | 7 |
| Groups | 10 | 5 |
| Aspherical Elements | 3★ | — |
| ED Elements | 1★ | — |
| Coating | Super Multi-Layer Coating | Sonnar Optical Concept |
| Aperture | ||
| Max Aperture | f/2.8 | f/16 |
| Min Aperture | f/2.8 | f/1.2 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 7 | 10★ |
| Build | ||
| Mount | Sony E | L-Mount |
| Format | APS-C | APS-C |
| Weather Sealed | ✓★ | — |
| Weight | 0.29 kg★ | 0.34 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★ | 0.5x |
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
TTArtisan APS-C 50mm f/1.2 50mm
- Strong social proof (86th percentile)86th %ile
- Strong user sentiment (81st percentile)81st %ile
- Strong build (69th percentile)
- Below average af (15th percentile)15th %ile
- Below average versatility (34th percentile)
价格
Sigma Contemporary 18-50mm f/2.8 DC DN0.001每美元得分
vs
TTArtisan APS-C 50mm f/1.2 50mm0.002每美元得分
TTArtisan APS-C 50mm f/1.2 50mm 性价比高 2.0 倍
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.
