Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD
Tamron
100 综合评分
vs
Rokinon AF 50mm f/1.4 50mm
Rokinon
62 综合评分
买家怎么说
Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD
92 满分 100 置信度中 13 条评价
腾龙28-300mm超级变焦镜头因其轻便设计、多功能焦段和可靠的成像质量而受到称赞。用户赞赏其紧凑的做工和顺滑的变焦环，但指出光圈较小，锐度相比更昂贵的变焦镜头略有不足。经过验证的购买者推荐它作为搭配索尼机身的理想旅行镜头。
优点
- 轻便设计
- 多功能28-300mm焦段
- 顺滑的变焦环
- 紧凑构造适合旅行
- 与索尼机身良好兼容
缺点
- 最大光圈较小 (f/4-7.1)
- 相比高端变焦镜头锐度降低
- 非内变焦设计
- 某些机身上高帧率自动对焦较慢
Build quality 3
Sharpness 3
Aperture 2
Weight and portability 3
Zoom range 4
Autofocus performance 1
Rokinon AF 50mm f/1.4 50mm
78 满分 100 置信度高 30 条评价
Rokinon 50mm f/1.4镜头因其出色的性价比、锐利的光学素质和坚固的做工而获得普遍好评，尤其适合天文摄影和弱光环境。然而，许多用户指出自动对焦不稳定，对快速移动的物体不可靠，部分镜头还存在偏心问题。该镜头在某些卡口上为全手动操作，购买时需注意。
优点
- 性价比极高
- 价格下锐利的光学素质
- 坚固的全金属结构
- 非常适合天文摄影
- f/1.4下低光性能良好
缺点
- 自动对焦不稳定
- 自动对焦对快速移动物体不可靠
- 部分镜头有偏心问题
- f/1.4时边缘画质偏软
- 某些卡口上为全手动
Value for money 8
Image quality 12
Build quality 6
Autofocus performance 7
Astrophotography suitability 5
Low light performance 4
评分
Budget
Macro
Landscape
Portrait
Professional
Wildlife Sports
Video Cinema
Street
Travel
规格
| Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD | Rokinon AF 50mm f/1.4 50mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 28 mm | 50 mm |
| Focal Length Max | 300 mm | 50 mm |
| Elements | 20 | 9 |
| Groups | 13 | 6 |
| Aspherical Elements | 3★ | 2 |
| ED Elements | 2★ | 1 |
| Coating | fluorine coating | Ultra Multi-Coating |
| Aperture | ||
| Max Aperture | f/4 | f/1.4 |
| Min Aperture | 4-7.1 | f/1.4 |
| Constant | ✗ | ✓★ |
| Diaphragm Blades | 9★ | 8 |
| Build | ||
| Mount | Sony E | Sony E |
| Format | full-frame | full-frame |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.59 kg | 0.42 kg★ |
| Filter Thread | 67 mm | 77 mm |
| AF & Stabilization | ||
| AF Type | VXD linear motor★ | manual focus only |
| Stabilization | ✓★ | ✗ |
| Focus | ||
| Min Focus Distance | 190 mm★ | 450 mm |
| Max Magnification | 1:2.8 | 1:6.25 |
优缺点
Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD
- Strong versatility (98th percentile)98th %ile
- Strong af (98th percentile)98th %ile
- Strong optical (97th percentile)97th %ile
- Strong user sentiment (91st percentile)91st %ile
Rokinon AF 50mm f/1.4 50mm
- Strong aperture (97th percentile)97th %ile
- Strong bokeh (96th percentile)96th %ile
- Strong build (76th percentile)
- Below average af (14th percentile)14th %ile
- Below average user sentiment (30th percentile)
- Below average versatility (34th percentile)
价格
Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD0.018每美元得分
vs
Rokinon AF 50mm f/1.4 50mm0.045每美元得分
Rokinon AF 50mm f/1.4 50mm 性价比高 2.5 倍
结论
胜出: Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD
Scores 100 overall, wins 9 of 9 usage categories and 6 of 21 specs.
