Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
98 综合评分
vs
Tamron Di III A064 30mm
Tamron
71 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 A064 30mm
85 满分 100 置信度中 24 条评价
Tamron 16-30mm f/2.8 G2镜头在天文摄影和风景摄影中备受赞誉，用户称赞其出色的锐度、快速自动对焦和扎实的做工。无限远锁定和可编程功能按钮是突出特点，尽管一些用户提到在30mm处渲染效果有变化，以及尼康Z相机需要固件更新。总体而言，它被认为是原生镜头的绝佳替代品，尤其是其轻巧的设计和恒定的f/2.8光圈。
优点
- 出色的锐度
- 快速准确的自动对焦
- 轻巧紧凑的设计
- 扎实的做工
- 用于天文摄影的无限远锁定
缺点
- 30mm f/2.8处渲染效果变化
- 需要为尼康Z相机更新固件
- 附带的文档有限
- 16mm拍摄人物时失真
Sharpness 6
Build quality 5
Autofocus performance 4
Weight and portability 5
Value for money 4
Firmware compatibility 3
评分
Travel
Budget
Street
Professional
Macro
Portrait
Video Cinema
Landscape
Wildlife Sports
规格
| Sigma Contemporary 18-50mm f/2.8 DC DN | Tamron Di III A064 30mm | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 18 mm | 16 mm |
| Focal Length Max | 50 mm | 30 mm |
| Elements | 13 | 16 |
| Groups | 10 | 12 |
| Aspherical Elements | 3 | 3 |
| ED Elements | 1 | 3★ |
| Coating | Super Multi-Layer Coating | Fluorine Coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/16 |
| Min Aperture | f/2.8 | f/2.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 7 | 9★ |
| Build | ||
| Mount | Sony E | Nikon Z |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.29 kg★ | 0.44 kg |
| Filter Thread | 55 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | stepping motor★ | VXD |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 121 mm★ | 190 mm |
| Max Magnification | 1:2.8 | 1:5.4 |
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
Tamron Di III A064 30mm
- Strong optical (93rd percentile)93rd %ile
- Strong macro (84th percentile)84th %ile
- Strong build (75th percentile)
- Strong versatility (69th percentile)
价格
Sigma Contemporary 18-50mm f/2.8 DC DN0.212每美元得分
vs
Tamron Di III A064 30mm0.082每美元得分
Sigma Contemporary 18-50mm f/2.8 DC DN 性价比高 2.6 倍
结论
胜出: Sigma Contemporary 18-50mm f/2.8 DC DN
Scores 98 overall, wins 8 of 9 usage categories and 3 of 21 specs.
