Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
99 综合评分
vs
OM System M.Zuiko Digital ED V335050BW000 20mm
OM System
80 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
OM System M.Zuiko Digital ED V335050BW000 20mm
78 满分 100 置信度中 14 条评价
OM System 20mm f/1.4 Pro镜头因其紧凑的尺寸、防风雨密封和快速f/1.4光圈而受到称赞，使其成为Micro Four Thirds用户的多功能镜头。然而，一些评论者注意到在最大光圈对着太阳拍摄时会出现紫色色散，并且缺少手动对焦离合器，这对一些人来说是一个小缺点。总体而言，它提供了良好的构建质量和清晰的图像，尽管有些人期望在f/1.4下能有更锐利的表现。
优点
- 紧凑轻巧的设计
- 出色的防风雨密封
- 快速f/1.4光圈适合弱光
- 清晰的图像质量
- 快速准确的自动对焦
缺点
- 最大光圈对着太阳时出现紫色色散
- 没有手动对焦离合器
- f/1.4下的锐度不够锐利
- 注意到色差问题
Build quality 5
Weather sealing 3
Sharpness 6
Purple fringing 2
Manual focus clutch 3
Autofocus performance 3
评分
Travel
Budget
Street
Professional
Portrait
Macro
Video Cinema
Landscape
Wildlife Sports
规格
| Sigma Contemporary 18-50mm f/2.8 DC DN | OM System M.Zuiko Digital ED V335050BW000 20mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 18 mm | 20 mm |
| Focal Length Max | 50 mm | 20 mm |
| Elements | 13 | 11 |
| Groups | 10 | 10 |
| Aspherical Elements | 3★ | 2 |
| ED Elements | 1 | 4★ |
| Coating | Super Multi-Layer Coating | ZERO Zuiko Extra-Low Reflection Coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/1.4 |
| Min Aperture | f/2.8 | f/1.4 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 7 | 9★ |
| Build | ||
| Mount | Sony E | Micro Four Thirds |
| Format | APS-C★ | micro-four-thirds |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.29 kg | 0.25 kg★ |
| Filter Thread | 55 mm | 58 mm |
| AF & Stabilization | ||
| AF Type | stepping motor★ | MSC |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 121 mm★ | 250 mm |
| Max Magnification | 1:2.8 | 1:9 |
优缺点
Sigma Contemporary 18-50mm f/2.8 DC DN
- Strong macro (92nd percentile)92nd %ile
- Strong social proof (90th percentile)90th %ile
- Strong aperture (86th percentile)86th %ile
- Strong af (86th percentile)86th %ile
OM System M.Zuiko Digital ED V335050BW000 20mm
- Strong aperture (97th percentile)97th %ile
- Strong bokeh (97th percentile)97th %ile
- Strong social proof (90th percentile)90th %ile
- Strong build (88th percentile)88th %ile
- Below average user sentiment (30th percentile)
- Below average versatility (34th percentile)
价格
Sigma Contemporary 18-50mm f/2.8 DC DN0.212每美元得分
vs
OM System M.Zuiko Digital ED V335050BW000 20mm0.140每美元得分
Sigma Contemporary 18-50mm f/2.8 DC DN 性价比高 1.5 倍
结论
胜出: Sigma Contemporary 18-50mm f/2.8 DC DN
Scores 99 overall, wins 7 of 9 usage categories and 4 of 21 specs.
