Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
99 综合评分
vs
Nikon 20107
Nikon
67 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
Nikon 20107
78 满分 100 置信度高 54 条评价
尼康NIKKOR Z 28-75mm f/2.8镜头因其出色的性价比、锐利度和快速的f/2.8光圈而广受好评，成为肖像、活动和一般摄影的热门选择。许多用户认为它是更昂贵的24-70mm f/2.8 S的绝佳预算替代品，仅注意到图像质量的微小差异。然而，一些评论者报告了自动对焦可靠性问题、大光圈下的柔和度以及明显的渐晕，这对专业工作来说可能是一个问题。总的来说，它被认为是爱好者和Z系统新手的可靠且实惠的镜头。
优点
- 性价比极高
- 图像锐利
- 快速的f/2.8光圈
- 轻巧平衡
- 非常适合肖像和活动
缺点
- 自动对焦可靠性问题
- 大光圈下柔和
- 明显的渐晕
- 不如S系列镜头锐利
- 构建质量感觉更廉价
Value for money 12
Image sharpness 10
Autofocus performance 8
Build quality 7
Vignetting 5
Bokeh 4
评分
Travel
Budget
Street
Professional
Portrait
Macro
Video Cinema
Landscape
Wildlife Sports
规格
| Sigma Contemporary 18-50mm f/2.8 DC DN | Nikon 20107 | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 18 mm | 28 mm |
| Focal Length Max | 50 mm | 75 mm |
| Elements | 13 | 15 |
| Groups | 10 | 12 |
| Aspherical Elements | 3 | 3 |
| ED Elements | 1 | 2★ |
| Coating | Super Multi-Layer Coating | antifouling coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/22 |
| Min Aperture | f/2.8 | f/2.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 7 | 9★ |
| Build | ||
| Mount | Sony E | Nikon Z |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.29 kg★ | 0.57 kg |
| Filter Thread | 55 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | stepping motor | Stepping Motor |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 121 mm★ | 190 mm |
| Max Magnification | 1:2.8 | 1:2.94 |
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
Nikon 20107
- Strong optical (89th percentile)89th %ile
- Strong af (86th percentile)86th %ile
- Strong macro (86th percentile)86th %ile
- Strong social proof (86th percentile)86th %ile
- Below average aperture (22nd percentile)
- Below average bokeh (25th percentile)
- Below average user sentiment (30th percentile)
价格
Sigma Contemporary 18-50mm f/2.8 DC DN0.008每美元得分
vs
Nikon 201070.003每美元得分
Sigma Contemporary 18-50mm f/2.8 DC DN 性价比高 2.7 倍
结论
胜出: Sigma Contemporary 18-50mm f/2.8 DC DN
Scores 99 overall, wins 9 of 9 usage categories and 2 of 21 specs.
