Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
99 综合评分
vs
Canon EF-S 2044B002 55-250mm
Canon
59 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
Canon EF-S 2044B002 55-250mm
92 满分 100 置信度低 8 条评价
这款翻新镜头以其近乎全新的状态和清晰的画质持续给买家留下深刻印象。用户看重其性价比，尤其是在APS-C画幅相机上拍摄野生动物和运动题材。快速发货和附带配件增添了积极体验，不过也有人提到塑料卡口和包装有待改进。
优点
- 近乎全新的状态
- 清晰的画质
- 极佳的性价比
- 有效的防抖
- 快速发货
缺点
- 塑料卡口
- 包装有待改进
- 不适用于佳能（部分型号）
Condition 5
Image quality 4
Value for money 4
Shipping speed 3
Build quality 2
Compatibility 2
评分
Travel
Budget
Street
Professional
Portrait
Macro
Video Cinema
Landscape
Wildlife Sports
规格
| Sigma Contemporary 18-50mm f/2.8 DC DN | Canon EF-S 2044B002 55-250mm | |
|---|---|---|
| Optics | ||
| Type | zoom | telephoto |
| Focal Length Min | 18 mm | 55 mm |
| Focal Length Max | 50 mm | 250 mm |
| Elements | 13 | 12 |
| Groups | 10 | 10 |
| Aspherical Elements | 3★ | — |
| ED Elements | 1 | 1 |
| Coating | Super Multi-Layer Coating | — |
| Aperture | ||
| Max Aperture | f/2.8 | f/4 |
| Min Aperture | f/2.8 | 4.0-5.6 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 7★ | — |
| Build | ||
| Mount | Sony E | Canon EF-S |
| Format | APS-C | APS-C |
| Weather Sealed | ✓★ | — |
| Weight | 0.29 kg★ | 0.57 kg |
| Filter Thread | 55 mm | — |
| AF & Stabilization | ||
| AF Type | stepping motor★ | — |
| Stabilization | ✗ | — |
| Focus | ||
| Min Focus Distance | 121 mm★ | — |
| Max Magnification | 1:2.8★ | — |
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 (87th percentile)87th %ile
- Strong af (86th percentile)86th %ile
Canon EF-S 2044B002 55-250mm
- Strong versatility (92nd percentile)92nd %ile
- Strong user sentiment (91st percentile)91st %ile
- Strong social proof (90th percentile)90th %ile
- Strong aperture (70th percentile)
- Below average macro (13th percentile)13th %ile
- Below average build (20th percentile)20th %ile
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 8 of 21 specs.
