Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
94 综合评分
vs
Canon L RF 70-200mm f/2.8 L IS USM
Canon
61 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 L RF 70-200mm f/2.8 L IS USM
78 满分 100 置信度高 459 条评价
佳能EF 70-200mm f/2.8L USM镜头因其卓越的锐度、快速安静的自动对焦和坚固的做工而广受赞誉。许多用户认为它是运动、人像和弱光摄影的主力镜头，尽管缺少图像稳定功能对一些人来说是一个明显的缺点。相当多的评论强调了镜头的重量以及可能出现的对焦不一致问题，尤其是在拍摄移动物体时。关于佳能对旧型号的支持和三脚架环设计的担忧也出现在负面反馈中。
优点
- 卓越的锐度和图像质量
- 快速安静的自动对焦（USM）
- 非常适合弱光摄影
- 适用于运动和肖像的多功能镜头
- 坚固的做工
缺点
- 没有图像稳定功能
- 又重又大
- 三脚架环设计问题
- 对移动物体的自动对焦不一致
- 佳能不再支持维修
Image quality 35
Autofocus performance 28
Build quality 22
Weight and size 18
Image stabilization 15
Value for money 12
评分
Travel
Street
Budget
Professional
Portrait
Macro
Landscape
Video Cinema
Wildlife Sports
规格
| Sigma Contemporary 18-50mm f/2.8 DC DN | Canon L RF 70-200mm f/2.8 L IS USM | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 18 mm | 70 mm |
| Focal Length Max | 50 mm | 200 mm |
| Elements | 13 | 17 |
| Groups | 10 | 13 |
| Aspherical Elements | 3★ | 2 |
| ED Elements | 1 | 5★ |
| Coating | Super Multi-Layer Coating | Air Sphere Coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/32 |
| Min Aperture | f/2.8 | f/2.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 7 | 9★ |
| Build | ||
| Mount | Sony E | Canon EF |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.29 kg★ | 1.07 kg |
| Filter Thread | 55 mm | 77 mm |
| AF & Stabilization | ||
| AF Type | stepping motor | USM★ |
| Stabilization | ✗ | ✓★ |
| Stabilization Stops | — | 3.5 stops★ |
| Focus | ||
| Min Focus Distance | 121 mm★ | 700 mm |
| Max Magnification | 1:2.8★ | 0.3x |
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 (85th percentile)85th %ile
- Below average stabilization (35th percentile)
Canon L RF 70-200mm f/2.8 L IS USM
- Strong optical (96th percentile)96th %ile
- Strong social proof (94th percentile)94th %ile
- Strong af (93rd percentile)93rd %ile
- Strong stabilization (91st percentile)91st %ile
- Below average aperture (5th percentile)5th %ile
- Below average bokeh (8th percentile)8th %ile
- Below average user sentiment (30th percentile)
- Below average macro (34th percentile)
价格
Sigma Contemporary 18-50mm f/2.8 DC DN0.210每美元得分
vs
Canon L RF 70-200mm f/2.8 L IS USM0.041每美元得分
Sigma Contemporary 18-50mm f/2.8 DC DN 性价比高 5.1 倍
结论
胜出: Sigma Contemporary 18-50mm f/2.8 DC DN
Scores 94 overall, wins 7 of 9 usage categories and 4 of 22 specs.
