Canon RF 28-70mm f/2.8 IS STM
Canon
88 综合评分
vs
Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
99 综合评分
买家怎么说
Canon RF 28-70mm f/2.8 IS STM
90 满分 100 置信度中 13 条评价
佳能RF 24-70mm f/2.8L IS USM镜头因其锐度、快速自动对焦和轻量化设计而获得压倒性好评。用户视其为从套机镜头升级的多功能选择，尤其适用于R7和R5 Mark II等无反相机。唯一点评负面的原因是配送问题，而非产品质量。
优点
- 清晰的画质
- 快速准确的对焦
- 轻巧紧凑的设计
- 出色的性价比
- 适用于多种场景的万能性
缺点
- 可能的配送管理问题
Image quality 4
Autofocus performance 3
Weight and portability 6
Value for money 4
Versatility 2
Delivery experience 1
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
评分
Travel
Macro
Street
Budget
Professional
Portrait
Video Cinema
Wildlife Sports
Landscape
规格
| Canon RF 28-70mm f/2.8 IS STM | Sigma Contemporary 18-50mm f/2.8 DC DN | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 28 mm | 18 mm |
| Focal Length Max | 70 mm | 50 mm |
| Elements | 14 | 13 |
| Groups | 11 | 10 |
| Aspherical Elements | 2 | 3★ |
| ED Elements | 2★ | 1 |
| Coating | Super Spectra Coating (SSC) | Super Multi-Layer Coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/2.8 |
| Min Aperture | f/2.8 | f/2.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | — | 7★ |
| Build | ||
| Mount | Canon RF | Sony E |
| Format | full-frame★ | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.49 kg | 0.29 kg★ |
| Filter Thread | 67 mm | 55 mm |
| AF & Stabilization | ||
| AF Type | STM★ | stepping motor |
| Stabilization | ✓★ | ✗ |
| Stabilization Stops | 5.5 stops★ | — |
| Focus | ||
| Min Focus Distance | 270 mm | 121 mm★ |
| Max Magnification | 0.24x | 1:2.8★ |
优缺点
Canon RF 28-70mm f/2.8 IS STM
- Strong stabilization (98th percentile)98th %ile
- Strong aperture (88th percentile)88th %ile
- Strong bokeh (86th percentile)86th %ile
- Strong user sentiment (86th percentile)86th %ile
Sigma Contemporary 18-50mm f/2.8 DC DN
- Strong social proof (91st percentile)91st %ile
- Strong macro (90th percentile)90th %ile
- Strong aperture (88th percentile)88th %ile
- Strong bokeh (86th percentile)86th %ile
- Below average stabilization (34th percentile)
价格
Canon RF 28-70mm f/2.8 IS STM
No current pricing available
Sigma Contemporary 18-50mm f/2.8 DC DN
结论
胜出: Sigma Contemporary 18-50mm f/2.8 DC DN
Scores 99 overall, wins 4 of 9 usage categories and 5 of 22 specs.
