Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
99 综合评分
vs
Viltrox AF 56mm f/1.4 XF 56mm
Viltrox
66 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
Viltrox AF 56mm f/1.4 XF 56mm
85 满分 100 置信度高 30 条评价
这里评测的Viltrox镜头一贯以其锐度、快速自动对焦和出色的性价比给用户留下深刻印象。许多评论者强调其轻巧紧凑的设计，非常适合旅行和活动。常见的批评包括光圈环缺乏咔哒声以及视频模式下偶尔出现的自动对焦问题，但总体情绪非常积极。
优点
- 物超所值
- 清晰画质
- 快速准确的自动对焦
- 轻巧紧凑的设计
- 柔和的散景
缺点
- 光圈环缺少咔哒声
- 视频模式下的自动对焦问题
- 塑料机身感觉廉价
- 大光圈下的暗角
- 图像中的颜色量化
Value for money 15
Build quality 10
Autofocus performance 12
Image quality 14
Aperture ring design 5
Weight and portability 8
评分
Travel
Budget
Street
Professional
Macro
Portrait
Video Cinema
Landscape
Wildlife Sports
规格
| Sigma Contemporary 18-50mm f/2.8 DC DN | Viltrox AF 56mm f/1.4 XF 56mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 18 mm | 56 mm |
| Focal Length Max | 50 mm | 56 mm |
| Elements | 13 | 10 |
| Groups | 10 | 9 |
| Aspherical Elements | 3★ | 1 |
| ED Elements | 1 | 1 |
| Coating | Super Multi-Layer Coating | HD Nano multilayer coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/16 |
| Min Aperture | f/2.8 | f/1.4 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 7 | 9★ |
| Build | ||
| Mount | Sony E | Fujifilm X |
| Format | APS-C | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.29 kg | 0.29 kg |
| Filter Thread | 55 mm | 52 mm |
| AF & Stabilization | ||
| AF Type | stepping motor | STM★ |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 121 mm★ | 600 mm |
| Max Magnification | 1:2.8 | 1:10 |
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 (85th percentile)85th %ile
Viltrox AF 56mm f/1.4 XF 56mm
- Strong af (85th percentile)85th %ile
- Strong build (85th percentile)85th %ile
- Strong social proof (81st percentile)81st %ile
- Below average versatility (34th percentile)
价格
结论
胜出: Sigma Contemporary 18-50mm f/2.8 DC DN
Scores 99 overall, wins 9 of 9 usage categories and 2 of 21 specs.
