Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
99 综合评分
vs
Tamron SP F045 35mm
Tamron
92 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
Tamron SP F045 35mm
92 满分 100 置信度中 17 条评价
Tamron SP 35mm f/1.4 Di USD 镜头因其出色的锐度、明亮的光圈和美丽的虚化效果而获得压倒性的正面评价。用户称赞其光学性能，通常认为它优于尼康和佳能的原厂镜头。一些关于与无反相机转接环兼容性以及轻微色差的担忧被提及，但总体情绪非常积极。
优点
- 出色的锐度
- 明亮的f/1.4光圈
- 美丽的虚化效果
- 优秀的做工质量
- 极佳的性价比
缺点
- 搭配无反转接环时体积大
- 用于无反相机时较重
- 全开光圈时有轻微色差
- 与FTZ转接环的兼容性问题
- 无防抖功能
Sharpness 5
Bokeh 4
Build quality 3
Aperture brightness 3
Compatibility with adapters 4
Chromatic aberration 2
评分
Travel
Budget
Street
Portrait
Professional
Video Cinema
Macro
Landscape
Wildlife Sports
规格
| Sigma Contemporary 18-50mm f/2.8 DC DN | Tamron SP F045 35mm | |
|---|---|---|
| Optics | ||
| Type | zoom | wide-angle |
| Focal Length Min | 18 mm | 35 mm |
| Focal Length Max | 50 mm | 35 mm |
| Elements | 13 | 14 |
| Groups | 10 | 10 |
| Aspherical Elements | 3 | 3 |
| ED Elements | 1 | 4★ |
| Coating | Super Multi-Layer Coating | BBAR-G2 Coating, Fluorine Coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/1.4 |
| Min Aperture | f/2.8 | f/1.4 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 7 | 9★ |
| Build | ||
| Mount | Sony E | Nikon F |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.29 kg★ | 0.81 kg |
| Filter Thread | 55 mm | 72 mm |
| AF & Stabilization | ||
| AF Type | stepping motor★ | USD (Ultrasonic Silent Drive) |
| Stabilization | ✗ | ✓★ |
| Focus | ||
| Min Focus Distance | 121 mm★ | 300 mm |
| Max Magnification | 1:2.8 | 1:5 |
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
Tamron SP F045 35mm
- Strong aperture (97th percentile)97th %ile
- Strong bokeh (97th percentile)97th %ile
- Strong af (93rd percentile)93rd %ile
- Strong user sentiment (91st percentile)91st %ile
- Below average versatility (34th percentile)
价格
Sigma Contemporary 18-50mm f/2.8 DC DN0.008每美元得分
vs
Tamron SP F045 35mm0.003每美元得分
Sigma Contemporary 18-50mm f/2.8 DC DN 性价比高 2.7 倍
结论
胜出: Sigma Contemporary 18-50mm f/2.8 DC DN
Scores 99 overall, wins 5 of 9 usage categories and 3 of 21 specs.
