Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
99 综合评分
vs
Nikon 20100
Nikon
70 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 20100
88 满分 100 置信度高 145 条评价
尼康NIKKOR Z MC 105mm f/2.8 VR S微距镜头因其出色的锐度、美丽的虚化效果以及作为微距和人像镜头的多功能性而广受好评。用户强调其轻巧的机身、有效的防抖以及与Z系列相机的兼容性，尽管一些人注意到自动对焦速度较慢（尤其是在微距拍摄时），少数人提到对焦偏移问题或塑料感。总体而言，它被认为是一款提供令人惊叹画质的一流镜头。
优点
- 出色的锐度
- 美丽的虚化效果
- 多功能微距和人像拍摄
- 轻巧的机身
- 有效的防抖
缺点
- 微距模式下自动对焦慢
- 某些条件下对焦犹豫
- 部分用户感觉塑料感
- 有对焦偏移问题的报告
- 安装遮光罩后体积大
Image quality 45
Autofocus performance 25
Build quality 20
Versatility 30
Value for money 15
Weight and size 18
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 20100 | |
|---|---|---|
| Optics | ||
| Type | zoom | macro |
| Focal Length Min | 18 mm | 105 mm |
| Focal Length Max | 50 mm | 105 mm |
| Elements | 13 | 16 |
| Groups | 10 | 11 |
| Aspherical Elements | 3★ | 1 |
| ED Elements | 1 | 1 |
| Coating | Super Multi-Layer Coating | Nano Crystal and ARNEO Coatings |
| Aperture | ||
| Max Aperture | f/2.8 | f/32 |
| 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★ | 0.63 kg |
| Filter Thread | 55 mm | 62 mm |
| AF & Stabilization | ||
| AF Type | stepping motor | STM★ |
| Stabilization | ✗ | ✓★ |
| Stabilization Stops | — | 4.5 stops★ |
| Focus | ||
| Min Focus Distance | 121 mm★ | 290 mm |
| Max Magnification | 1:2.8 | 1:1 |
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 20100
- Strong stabilization (95th percentile)95th %ile
- Strong social proof (90th percentile)90th %ile
- Strong af (86th percentile)86th %ile
- Strong user sentiment (81st percentile)81st %ile
- Below average aperture (5th percentile)5th %ile
- Below average bokeh (8th percentile)8th %ile
- Below average versatility (34th percentile)
价格
Sigma Contemporary 18-50mm f/2.8 DC DN0.008每美元得分
vs
Nikon 201000.003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 3 of 22 specs.
