Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
99 综合评分
vs
Canon RF 15-30mm f/4.5-6.3 IS STM
Canon
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
Canon RF 15-30mm f/4.5-6.3 IS STM
82 满分 100 置信度中 13 条评价
佳能 RF 15-30mm f/4.5-6.3 IS STM 镜头因其多功能广角变焦范围、扎实的做工和良好的画质而获得大部分正面反馈。用户赞赏其在风景、房地产和室内摄影方面的表现，以及用于拍摄锐舞派对和极光等活动的效果。然而，一些人指出该镜头不够快，尤其是在长焦端（f/6.3），在弱光环境下可能是一个限制。问答部分显示了关于兼容性、防抖和规格的常见问题，但没有报告负面用户体验。
优点
- 多功能广角变焦范围（15-30mm）
- 扎实的做工和优质材料
- 适合风景和室内的良好画质
- 平滑一致的变焦环
- 与相机稳定器配合良好
缺点
- 最大光圈慢（长焦端f/6.3）
- 弱光性能有限
- 变焦时镜头伸出
- 开箱购买不含配件
Image quality 4
Build quality 3
Versatility 4
Aperture speed 2
Low light performance 2
Value for money 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 RF 15-30mm f/4.5-6.3 IS STM | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 18 mm | 15 mm |
| Focal Length Max | 50 mm | 30 mm |
| Elements | 13 | 13 |
| Groups | 10 | 11 |
| Aspherical Elements | 3★ | 1 |
| ED Elements | 1 | 2★ |
| Coating | Super Multi-Layer Coating | Super Spectra Coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/32 |
| Min Aperture | f/2.8 | 4.5-6.3 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 7 | 7 |
| Build | ||
| Mount | Sony E | Canon RF |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓★ | ✗ |
| Weight | 0.29 kg★ | 0.39 kg |
| Filter Thread | 55 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | stepping motor | STM★ |
| Stabilization | ✗ | ✓★ |
| Stabilization Stops | — | 5 stops★ |
| Focus | ||
| Min Focus Distance | 121 mm★ | 130 mm |
| Max Magnification | 1:2.8 | 1:2 |
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 (87th percentile)87th %ile
- Strong af (86th percentile)86th %ile
Canon RF 15-30mm f/4.5-6.3 IS STM
- Strong stabilization (97th percentile)97th %ile
- Strong macro (89th percentile)89th %ile
- Strong af (86th percentile)86th %ile
- Strong social proof (81st percentile)81st %ile
- Below average bokeh (4th percentile)4th %ile
- Below average aperture (5th percentile)5th %ile
价格
Sigma Contemporary 18-50mm f/2.8 DC DN0.002每美元得分
vs
Canon RF 15-30mm f/4.5-6.3 IS STM0.001每美元得分
Sigma Contemporary 18-50mm f/2.8 DC DN 性价比高 2.0 倍
结论
胜出: Sigma Contemporary 18-50mm f/2.8 DC DN
Scores 99 overall, wins 9 of 9 usage categories and 5 of 22 specs.
