Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
99 综合评分
vs
Canon EF-S 18-55 f/4-5.6 IS STM 18-55mm
Canon
85 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
Canon EF-S 18-55 f/4-5.6 IS STM 18-55mm
78 满分 100 置信度中 18 条评价
这款镜头因其出色的光学性能、轻巧的设计和安静的STM自动对焦而广受赞誉，是一款出色的日常和旅行镜头。用户指出，它在图像质量上可与佳能L系列媲美，但价格却便宜得多，尽管有些人提到塑料卡口和缺乏防风雨密封是缺点。经过验证的买家强调其锐度、有效的图像稳定性和性价比，尤其是在作为套机镜头购买时。然而，一些用户报告了在某些相机机身上自动对焦点的限制，并指出它不是真正的微距镜头。
优点
- 出色的图像质量，媲美L系列
- 轻巧紧凑的设计
- 安静流畅的STM自动对焦
- 有效的图像稳定
- 极佳的性价比
缺点
- 塑料卡口而非金属
- 没有防风雨密封
- 在某些机身上自动对焦点有限
- 不是真正的微距镜头
- 图像质量不如18-135mm
Image quality 6
Build quality 4
Value for money 5
Autofocus performance 4
Image stabilization 3
Weight and portability 4
评分
Travel
Budget
Street
Professional
Macro
Portrait
Video Cinema
Landscape
Wildlife Sports
规格
| Sigma Contemporary 18-50mm f/2.8 DC DN | Canon EF-S 18-55 f/4-5.6 IS STM 18-55mm | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 18 mm | 18 mm |
| Focal Length Max | 50 mm | 55 mm |
| Elements | 13 | 12 |
| Groups | 10 | 10 |
| Aspherical Elements | 3★ | 1 |
| ED Elements | 1★ | — |
| Coating | Super Multi-Layer Coating | Super Spectra coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/4 |
| Min Aperture | f/2.8 | 4-5.6 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 7 | 7 |
| Build | ||
| Mount | Sony E | Canon EF-S |
| Format | APS-C | APS-C |
| Weather Sealed | ✓★ | — |
| Weight | 0.29 kg | 0.20 kg★ |
| Filter Thread | 55 mm | 58 mm |
| AF & Stabilization | ||
| AF Type | stepping motor | STM★ |
| Stabilization | ✗ | ✓★ |
| Stabilization Stops | — | 4 stops★ |
| Focus | ||
| Min Focus Distance | 121 mm | 66 mm★ |
| Max Magnification | 1:2.8 | 1:4 |
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 (86th percentile)86th %ile
- Strong af (85th percentile)85th %ile
Canon EF-S 18-55 f/4-5.6 IS STM 18-55mm
- Strong macro (95th percentile)95th %ile
- Strong stabilization (93rd percentile)93rd %ile
- Strong af (85th percentile)85th %ile
- Strong build (85th percentile)85th %ile
- Below average user sentiment (30th percentile)
价格
Sigma Contemporary 18-50mm f/2.8 DC DN0.174每美元得分
vs
Canon EF-S 18-55 f/4-5.6 IS STM 18-55mm0.672每美元得分
Canon EF-S 18-55 f/4-5.6 IS STM 18-55mm 性价比高 3.9 倍
结论
胜出: Sigma Contemporary 18-50mm f/2.8 DC DN
Scores 99 overall, wins 8 of 9 usage categories and 4 of 22 specs.
