Sigma Contemporary 18-50mm f/2.8 DC DN
Zeiss Milvus 18mm f/2.8 ZE 18mm
买家怎么说
Sigma Contemporary 18-50mm f/2.8 DC DN
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
Zeiss Milvus 18mm f/2.8 ZE 18mm
蔡司Milvus 18mm f/2.8因其出色的锐度、极小的畸变和卓越的做工而广受赞誉,是风景和天文摄影的首选。用户强调其出色的微对比度和平坦像场,尽管有人注意到个体差异和全开光圈时的暗角问题。有人对密封性和霉菌滋生表示担忧,但总体而言,它被认为是一款高性能手动对焦镜头。
优点
- 出色的锐度
- 极小的畸变和色差
- 卓越的做工
- 出色的微对比度
- 平坦像场
缺点
- 个体差异问题
- 全开光圈暗角
- 密封性担忧
- 有霉菌滋生报告
- 昂贵
评分
规格
| Sigma Contemporary 18-50mm f/2.8 DC DN | Zeiss Milvus 18mm f/2.8 ZE 18mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 18 mm | 18 mm |
| Focal Length Max | 50 mm | 18 mm |
| Elements | 13 | 14 |
| Groups | 10 | 12 |
| Aspherical Elements | 3★ | 2 |
| ED Elements | 1 | 4★ |
| Coating | Super Multi-Layer Coating | ZEISS T anti-reflective coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/22 |
| Min Aperture | f/2.8 | f/2.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 7★ | — |
| Build | ||
| Mount | Sony E | Canon EF |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.29 kg★ | 0.72 kg |
| Filter Thread | 55 mm | 77 mm |
| AF & Stabilization | ||
| AF Type | stepping motor★ | manual focus only |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 121 mm★ | 250 mm |
| Max Magnification | 1:2.8 | 1:7 |
优缺点
Sigma Contemporary 18-50mm f/2.8 DC DN
- Strong macro (91st percentile)91st %ile
- Strong social proof (90th percentile)90th %ile
- Strong aperture (86th percentile)86th %ile
- Strong af (86th percentile)86th %ile
Zeiss Milvus 18mm f/2.8 ZE 18mm
- Strong optical (89th percentile)89th %ile
- Strong macro (77th percentile)
- Below average bokeh (14th percentile)14th %ile
- Below average af (14th percentile)14th %ile
- Below average aperture (22nd percentile)
- Below average versatility (34th percentile)
价格
结论
Scores 99 overall, wins 9 of 9 usage categories and 5 of 21 specs.