Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
94 综合评分
vs
Tamron Di III 150-500mm f/5-6.7 Di III VC VXD
Tamron
65 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 Di III 150-500mm f/5-6.7 Di III VC VXD
78 满分 100 置信度高 42 条评价
腾龙150-500mm镜头因其锐度、快速自动对焦以及与原生远摄变焦镜头相比出色的性价比而广受赞誉。许多用户欣赏其额外的焦距范围和图像质量，尽管重量是常见问题，尤其是在手持拍摄时。一些评论者指出了在弱光和防抖方面的权衡，少数人报告了与增距镜的兼容性问题或存在瑕疵的个体。
优点
- 出色的锐度
- 快速准确的对焦
- 性价比极高
- 比100-400mm有额外焦距范围
- 有效的防抖（VC）
缺点
- 手持拍摄较重
- 弱光表现一般
- 防抖不如原生镜头
- 不兼容增距镜
- 可能存在个体瑕疵
Sharpness 12
Autofocus speed 8
Value for money 10
Weight 14
Image stabilization 7
Low light performance 5
评分
Travel
Street
Budget
Professional
Portrait
Macro
Video Cinema
Landscape
Wildlife Sports
规格
| Sigma Contemporary 18-50mm f/2.8 DC DN | Tamron Di III 150-500mm f/5-6.7 Di III VC VXD | |
|---|---|---|
| Optics | ||
| Type | zoom | super-telephoto |
| Focal Length Min | 18 mm | 150 mm |
| Focal Length Max | 50 mm | 500 mm |
| Elements | 13 | 25 |
| Groups | 10 | 16 |
| Aspherical Elements | 3★ | 1 |
| ED Elements | 1 | 5★ |
| Coating | Super Multi-Layer Coating | fluorine-coated front element |
| Aperture | ||
| Max Aperture | f/2.8 | f/5 |
| Min Aperture | f/2.8 | 5-6.7 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 7 | 7 |
| Build | ||
| Mount | Sony E | Sony E |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.29 kg★ | 1.73 kg |
| Filter Thread | 55 mm | 82 mm |
| AF & Stabilization | ||
| AF Type | stepping motor | VXD linear motor★ |
| Stabilization | ✗ | ✓★ |
| Focus | ||
| Min Focus Distance | 121 mm★ | 500 mm |
| Max Magnification | 1:2.8 | 1:3.1 |
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
- Below average stabilization (35th percentile)
Tamron Di III 150-500mm f/5-6.7 Di III VC VXD
- Strong optical (99th percentile)99th %ile
- Strong af (98th percentile)98th %ile
- Strong versatility (84th percentile)84th %ile
- Strong stabilization (80th percentile)80th %ile
- Below average build (15th percentile)15th %ile
- Below average social proof (25th percentile)
- Below average user sentiment (30th percentile)
价格
Sigma Contemporary 18-50mm f/2.8 DC DN0.210每美元得分
vs
Tamron Di III 150-500mm f/5-6.7 Di III VC VXD0.083每美元得分
Sigma Contemporary 18-50mm f/2.8 DC DN 性价比高 2.5 倍
结论
胜出: Sigma Contemporary 18-50mm f/2.8 DC DN
Scores 94 overall, wins 9 of 9 usage categories and 4 of 21 specs.
