Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
99 综合评分
vs
Desiontal 420-800mm
Desiontal
37 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
Desiontal 420-800mm
72 满分 100 置信度低 9 条评价
这款420-800mm手动变焦镜头收到了褒贬不一的反馈。许多用户称赞其在天文摄影和远距离拍摄中的性价比，并指出其良好的做工质量和轻巧设计。然而，一些用户报告了长距离下的色彩准确性问题、对焦困难以及一例不兼容情况。总体而言，它被视为适合愿意手动操作的业余摄影师的预算友好型选择。
优点
- 天文摄影性价比高
- 轻巧便携的设计
- 做工质量好
- 多功能420-800mm范围
- 有效拍摄月亮和星星
缺点
- 长距离色彩准确性问题
- 手动对焦困难
- 对某些用户来说较重
- 与某些相机不兼容
- 需要三脚架和遥控快门
Value for money 4
Build quality 3
Manual focus 5
Weight 3
Color accuracy 1
Compatibility 1
评分
Travel
Budget
Street
Professional
Portrait
Macro
Video Cinema
Landscape
Wildlife Sports
规格
| Sigma Contemporary 18-50mm f/2.8 DC DN | Desiontal 420-800mm | |
|---|---|---|
| Optics | ||
| Type | zoom | telephoto |
| Focal Length Min | 18 mm | 420 mm |
| Focal Length Max | 50 mm | 800 mm |
| Elements | 13 | — |
| Groups | 10 | — |
| Aspherical Elements | 3★ | — |
| ED Elements | 1★ | — |
| Coating | Super Multi-Layer Coating | Ultra Multi Coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/16 |
| Min Aperture | f/2.8 | 8.3-16 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 7★ | — |
| Build | ||
| Mount | Sony E | Sony E |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓★ | — |
| Weight | 0.29 kg★ | 0.80 kg |
| Filter Thread | 55 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | stepping motor★ | manual focus only |
| Stabilization | ✗ | ✓★ |
| Focus | ||
| Min Focus Distance | 121 mm★ | 800 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 (87th percentile)87th %ile
- Strong af (85th percentile)85th %ile
Desiontal 420-800mm
- Strong stabilization (81st percentile)81st %ile
- Strong versatility (70th percentile)
- Strong social proof (67th percentile)
- Below average af (14th percentile)14th %ile
- Below average user sentiment (16th percentile)16th %ile
- Below average build (23rd percentile)
- Below average bokeh (30th percentile)
价格
Sigma Contemporary 18-50mm f/2.8 DC DN0.008每美元得分
vs
Desiontal 420-800mm0.029每美元得分
Desiontal 420-800mm 性价比高 3.6 倍
结论
胜出: Sigma Contemporary 18-50mm f/2.8 DC DN
Scores 99 overall, wins 9 of 9 usage categories and 9 of 21 specs.
