Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
99 综合评分
vs
Nikon NIKKOR AF-S DX Zoom-NIKKOR 17-55mm f/2.8G IF-ED
Nikon
82 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 NIKKOR AF-S DX Zoom-NIKKOR 17-55mm f/2.8G IF-ED
88 满分 100 置信度低 7 条评价
尼康17-55mm f/2.8G因其卓越的做工质量、锐度和色彩还原而广受赞誉，成为DX画幅爱好者的首选。用户强调其快速安静的自动对焦、恒定f/2.8光圈在弱光下的表现，以及媲美或超越其他镜头的图像质量。然而，一些人指出其重量大、体积笨重、变焦环僵硬、容易产生眩光，以及价格高昂。尽管有这些缺点，大多数人认为这是一款专业级镜头，能提供出色的效果。
优点
- 卓越的做工质量
- 全开光圈下图像锐利
- 快速安静的自动对焦
- 出色的色彩还原
- 恒定f/2.8光圈
缺点
- 沉重且笨重
- 变焦环僵硬
- 容易产生眩光
- 对于DX镜头来说昂贵
- 遮挡内置闪光灯
Build quality 5
Image quality 6
Weight and size 4
Autofocus performance 3
Zoom ring ergonomics 3
Flare and distortion 3
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 NIKKOR AF-S DX Zoom-NIKKOR 17-55mm f/2.8G IF-ED | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 18 mm | 17 mm |
| Focal Length Max | 50 mm | 55 mm |
| Elements | 13 | — |
| Groups | 10 | — |
| Aspherical Elements | 3 | 3 |
| ED Elements | 1 | 3★ |
| Coating | Super Multi-Layer Coating | Super Integrated Coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/2.8 |
| Min Aperture | f/2.8 | f/2.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 7★ | — |
| Build | ||
| Mount | Sony E | Nikon F |
| Format | APS-C | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.29 kg | 0.07 kg★ |
| Filter Thread | 55 mm | 77 mm |
| AF & Stabilization | ||
| AF Type | stepping motor★ | Silent Wave Motor |
| Stabilization | ✗ | — |
| Focus | ||
| Min Focus Distance | 121 mm | 55 mm★ |
| Max Magnification | 1:2.8★ | 0.20x |
优缺点
Sigma Contemporary 18-50mm f/2.8 DC DN
- Strong social proof (91st percentile)91st %ile
- Strong macro (90th percentile)90th %ile
- Strong aperture (86th percentile)86th %ile
- Strong af (85th percentile)85th %ile
- Below average stabilization (35th percentile)
Nikon NIKKOR AF-S DX Zoom-NIKKOR 17-55mm f/2.8G IF-ED
- Strong build (100th percentile)100th %ile
- Strong aperture (86th percentile)86th %ile
- Strong versatility (84th percentile)84th %ile
- Strong bokeh (84th percentile)84th %ile
- Below average stabilization (35th percentile)
价格
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 21 specs.
