Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
99 综合评分
vs
Tamron SP AFA022N700 150mm
Tamron
73 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
Tamron SP AFA022N700 150mm
88 满分 100 置信度中 10 条评价
腾龙150-600mm G2镜头因其出色的锐度、快速自动对焦和有效的图像稳定功能而获得压倒性的积极反馈，尤其是考虑到其亲民的价格。用户称赞其在野生动物和鸟类摄影中的图像质量，尽管许多人注意到其重量较大，需要小心操作，尤其是在较旧的相机机身上。一些评论者提到，在弱光或复杂场景下自动对焦可能会遇到困难，而美国版本缺乏加拿大保修也让一些人担忧。
优点
- 600mm端出色的锐度
- 快速准确的自动对焦
- 有效的图像稳定
- 极佳的性价比
- 出色的野生动物图像质量
缺点
- 重量较大
- 弱光下自动对焦困难
- 手动对焦环行程短
- 没有后置滤镜插槽
- 美国版没有加拿大保修
Image quality 8
Autofocus performance 6
Image stabilization 5
Weight 6
Value for money 5
Build quality 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 | Tamron SP AFA022N700 150mm | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 18 mm | 150 mm |
| Focal Length Max | 50 mm | 600 mm |
| Elements | 13 | 21 |
| Groups | 10 | 13 |
| Aspherical Elements | 3★ | 0 |
| ED Elements | 1 | 3★ |
| Coating | Super Multi-Layer Coating | Fluorine Coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/5 |
| Min Aperture | f/2.8 | 5-6.3 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 7 | 9★ |
| Build | ||
| Mount | Sony E | Nikon F |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.29 kg★ | 1.99 kg |
| Filter Thread | 55 mm | 95 mm |
| AF & Stabilization | ||
| AF Type | stepping motor★ | USD |
| Stabilization | ✗ | ✓★ |
| Stabilization Stops | — | 4.5 stops★ |
| Focus | ||
| Min Focus Distance | 121 mm★ | 2.20 m |
| Max Magnification | 1:2.8★ | 0.26x |
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
Tamron SP AFA022N700 150mm
- Strong stabilization (95th percentile)95th %ile
- Strong optical (92nd percentile)92nd %ile
- Strong versatility (88th percentile)88th %ile
- Strong user sentiment (81st percentile)81st %ile
- Below average build (13th percentile)13th %ile
- Below average macro (28th percentile)
价格
Sigma Contemporary 18-50mm f/2.8 DC DN0.179每美元得分
vs
Tamron SP AFA022N700 150mm0.043每美元得分
Sigma Contemporary 18-50mm f/2.8 DC DN 性价比高 4.2 倍
结论
胜出: Sigma Contemporary 18-50mm f/2.8 DC DN
Scores 99 overall, wins 9 of 9 usage categories and 6 of 22 specs.
