Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
99 综合评分
vs
Nikon NIKKOR AF-S DX Micro-NIKKOR 40mm f/2.8G 40mm
Nikon
78 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 Micro-NIKKOR 40mm f/2.8G 40mm
85 满分 100 置信度高 113 条评价
尼康40mm f/2.8G AF-S DX Micro NIKKOR镜头因其出色的锐度、卓越的性价比以及作为微距和通用镜头的多功能性而广受赞誉。用户强调其轻巧的机身、快速自动对焦以及与ES-1和ES-2等幻灯片数字化适配器的兼容性。然而，一些人指出其1:1微距工作距离短、塑料结构以及在弱光或特写时自动对焦偶尔会犹豫不决。
优点
- 出色的锐度
- 卓越的性价比
- 轻巧便携
- 快速安静的自动对焦
- 适用于微距和一般用途的多功能性
缺点
- 1:1微距工作距离短
- 塑料结构感觉廉价
- 弱光下自动对焦犹豫不决
- 近距离自动对焦不可靠
- 遮光罩容易脱落
Image quality 45
Value for money 38
Build quality 22
Autofocus performance 20
Working distance 15
Slide digitizing compatibility 12
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 Micro-NIKKOR 40mm f/2.8G 40mm | |
|---|---|---|
| Optics | ||
| Type | zoom | macro |
| Focal Length Min | 18 mm | 40 mm |
| Focal Length Max | 50 mm | 40 mm |
| Elements | 13 | 9 |
| Groups | 10 | 7 |
| Aspherical Elements | 3★ | — |
| ED Elements | 1 | 1 |
| 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 | 7 |
| Build | ||
| Mount | Sony E | Nikon F |
| Format | APS-C | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.29 kg | 0.23 kg★ |
| Filter Thread | 55 mm | 52 mm |
| AF & Stabilization | ||
| AF Type | stepping motor★ | Silent Wave Motor |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 121 mm★ | 163 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 NIKKOR AF-S DX Micro-NIKKOR 40mm f/2.8G 40mm
- Strong social proof (90th percentile)90th %ile
- Strong build (89th percentile)89th %ile
- Strong macro (88th percentile)88th %ile
- Strong aperture (86th percentile)86th %ile
- Below average versatility (34th percentile)
价格
Sigma Contemporary 18-50mm f/2.8 DC DN0.144每美元得分
vs
Nikon NIKKOR AF-S DX Micro-NIKKOR 40mm f/2.8G 40mm0.244每美元得分
Nikon NIKKOR AF-S DX Micro-NIKKOR 40mm f/2.8G 40mm 性价比高 1.7 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 21 specs.
