Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
99 综合评分
vs
Sirui Sniper 16mm f/1.2 16mm
Sirui
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
Sirui Sniper 16mm f/1.2 16mm
85 满分 100 置信度低 9 条评价
Sirui Sniper 16mm f/1.2镜头因其做工质量、清晰度和性价比而备受赞誉，尤其是在索尼a6400和尼康Z50等APS-C相机上。用户强调其坚固的结构和出色的图像质量，一位评论者称其为APS-C广角镜头中性价比最高的选择。然而，问答部分警告说，在全画幅相机上使用可能会导致暗角和畸变。
优点
- 出色的做工质量
- 清晰的图像和视频
- 极佳的性价比
- 坚固且高品质的手感
- 快速自动对焦
缺点
- 全画幅相机上的暗角
- 全画幅相机上的畸变
- 无光圈环
- 仅限于APS-C传感器尺寸
Build quality 4
Image quality 3
Value for money 3
Autofocus performance 2
Compatibility with aps c 3
Full frame issues 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 | Sirui Sniper 16mm f/1.2 16mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 18 mm | 16 mm |
| Focal Length Max | 50 mm | 16 mm |
| Elements | 13 | 14 |
| Groups | 10 | 5 |
| Aspherical Elements | 3★ | 2 |
| ED Elements | 1 | 3★ |
| Coating | Super Multi-Layer Coating | — |
| Aperture | ||
| Max Aperture | f/2.8 | f/16 |
| Min Aperture | f/2.8 | f/1.2 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 7 | 13★ |
| Build | ||
| Mount | Sony E | Sony E |
| Format | APS-C | APS-C |
| Weather Sealed | ✓★ | — |
| Weight | 0.29 kg★ | 0.38 kg |
| Filter Thread | 55 mm | 58 mm |
| AF & Stabilization | ||
| AF Type | stepping motor | STM★ |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 121 mm★ | 300 mm |
| Max Magnification | 1:2.8★ | 0.5x |
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 (85th percentile)85th %ile
Sirui Sniper 16mm f/1.2 16mm
- Strong af (85th percentile)85th %ile
- Strong social proof (80th percentile)80th %ile
- Strong optical (73rd percentile)
- Below average versatility (34th percentile)
价格
Sigma Contemporary 18-50mm f/2.8 DC DN0.002每美元得分
vs
Sirui Sniper 16mm f/1.2 16mm0.001每美元得分
Sigma Contemporary 18-50mm f/2.8 DC DN 性价比高 2.0 倍
结论
胜出: Sigma Contemporary 18-50mm f/2.8 DC DN
Scores 99 overall, wins 9 of 9 usage categories and 5 of 21 specs.
