Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
98 综合评分
vs
Sirui Sniper 75mm f/1.2 75mm
Sirui
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
Sirui Sniper 75mm f/1.2 75mm
72 满分 100 置信度低 7 条评价
Sirui Sniper 75mm f/1.2 镜头因其出色的做工、美丽的虚化效果以及极高的性价比而备受赞誉，尤其适合人像和产品摄影。然而，一条重要的负面评论指出了严重的客户服务问题，包括缺乏响应以及一支在大光圈下画质无法使用的缺陷镜头。虽然大多数用户喜欢它的性能和外观，但糟糕的保修支持是一个主要担忧。
优点
- 美丽的虚化效果
- 出色的做工质量
- 极高的性价比
- 紧凑的外形
- 良好的自动对焦速度
缺点
- 糟糕的客户服务
- 缺陷产品问题
- 没有光圈环
- 在某些相机上自动对焦慢
- 不防风雨
Build quality 3
Value for money 3
Bokeh 2
Autofocus performance 2
Customer service 1
Image quality 2
评分
Travel
Budget
Street
Professional
Macro
Portrait
Video Cinema
Landscape
Wildlife Sports
规格
| Sigma Contemporary 18-50mm f/2.8 DC DN | Sirui Sniper 75mm f/1.2 75mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 18 mm | 75 mm |
| Focal Length Max | 50 mm | 75 mm |
| Elements | 13 | 13 |
| Groups | 10 | 9 |
| Aspherical Elements | 3 | 4★ |
| ED Elements | 1 | 4★ |
| Coating | Super Multi-Layer Coating | — |
| Aperture | ||
| Max Aperture | f/2.8 | f/16 |
| Min Aperture | f/2.8 | f/1.2 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 7 | 15★ |
| Build | ||
| Mount | Sony E | Nikon Z |
| Format | APS-C | APS-C |
| Weather Sealed | ✓★ | ✗ |
| Weight | 0.29 kg★ | 0.47 kg |
| Filter Thread | 55 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | stepping motor | STM★ |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 121 mm★ | 700 mm |
| Max Magnification | 1:2.8★ | — |
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 (85th percentile)85th %ile
- Strong af (85th percentile)85th %ile
- Below average stabilization (35th percentile)
Sirui Sniper 75mm f/1.2 75mm
- Strong optical (87th percentile)87th %ile
- Strong social proof (87th percentile)87th %ile
- Strong af (85th percentile)85th %ile
- Below average user sentiment (16th percentile)16th %ile
- Below average versatility (34th percentile)
- Below average stabilization (35th percentile)
价格
结论
胜出: Sigma Contemporary 18-50mm f/2.8 DC DN
Scores 98 overall, wins 9 of 9 usage categories and 4 of 21 specs.
