Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
99 综合评分
vs
Rokinon AF 35-150mm f/2-2.8
Rokinon
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
Rokinon AF 35-150mm f/2-2.8
42 满分 100 置信度低 7 条评价
用户对这款35-150mm f/2.0-2.8镜头的评价极为褒贬不一。虽然有些人称赞其性价比、多功能性和锐度，适合活动摄影，但多位已验证买家报告了严重的自动对焦问题，使其在视频中无法使用，在静态摄影中也不可靠。还提到了变焦闪烁和暗角等缺陷，不过固件更新已修复了部分问题。
优点
- 性价比出色
- 适用于活动的多功能变焦范围
- 图像锐利
- 做工良好
- 适合人像摄影
缺点
- 视频自动对焦无法使用
- 静态摄影自动对焦不可靠
- 有缺陷的镜头被报告
- 暗角问题
- 使用超级变焦时变焦闪烁
Autofocus performance 4
Value for money 3
Image quality 3
Build quality 2
Defects and reliability 3
Vignetting 2
评分
Travel
Budget
Street
Professional
Portrait
Macro
Video Cinema
Landscape
Wildlife Sports
规格
| Sigma Contemporary 18-50mm f/2.8 DC DN | Rokinon AF 35-150mm f/2-2.8 | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 18 mm | 35 mm |
| Focal Length Max | 50 mm | 150 mm |
| Elements | 13 | 21 |
| Groups | 10 | 18 |
| Aspherical Elements | 3★ | 2 |
| ED Elements | 1 | 6★ |
| Coating | Super Multi-Layer Coating | Ultra Multi-Coating (UMC) |
| Aperture | ||
| Max Aperture | f/2.8 | 16-22★ |
| Min Aperture | f/2.8 | 2-2.8 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 7 | 9★ |
| Build | ||
| Mount | Sony E | L-Mount |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.29 kg★ | 1.31 kg |
| Filter Thread | 55 mm | 82 mm |
| AF & Stabilization | ||
| AF Type | stepping motor | linear stepping motor |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 121 mm★ | 330 mm |
| Max Magnification | 1:2.8 | 1:5.7 |
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 (87th percentile)87th %ile
- Strong af (86th percentile)86th %ile
Rokinon AF 35-150mm f/2-2.8
- Strong optical (99th percentile)99th %ile
- Strong versatility (91st percentile)91st %ile
- Strong af (86th percentile)86th %ile
- Strong macro (67th percentile)
- Below average user sentiment (1st percentile)1st %ile
- Below average build (20th percentile)20th %ile
价格
Sigma Contemporary 18-50mm f/2.8 DC DN
Rokinon AF 35-150mm f/2-2.8
No current pricing available
结论
胜出: Sigma Contemporary 18-50mm f/2.8 DC DN
Scores 99 overall, wins 9 of 9 usage categories and 4 of 21 specs.
