Rokinon AF 50mm f/1.4 50mm
Rokinon
62 综合评分
vs
Tamron Di III 28-75mm f/2.8 Di III VXD G2
Tamron
98 综合评分
买家怎么说
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
Tamron Di III 28-75mm f/2.8 Di III VXD G2
88 满分 100 置信度中 20 条评价
腾龙28-75mm f/2.8镜头因其锐度、快速自动对焦和轻巧设计而备受赞誉，是索尼GM镜头的多功能且价格合理的替代品。用户欣赏其在人像和低光下的表现，尽管有些人指出塑料结构和缺乏防风雨密封是缺点。总体而言，它被认为是爱好者和专业人士的绝佳性价比选择。
优点
- 图像锐利
- 快速准确的自动对焦
- 轻巧设计
- 多功能焦距范围
- 性价比高
缺点
- 塑料制造质量
- 无防风雨密封
- 变焦环与对焦环方向相反
- 略长，不适合隐蔽使用
- 颜色比GM镜头略暗淡
Image quality 12
Autofocus performance 10
Build quality 8
Value for money 7
Weight and portability 6
Low light performance 5
评分
Video Cinema
Budget
Professional
Portrait
Macro
Street
Landscape
Wildlife Sports
Travel
规格
| Rokinon AF 50mm f/1.4 50mm | Tamron Di III 28-75mm f/2.8 Di III VXD G2 | |
|---|---|---|
| Optics | ||
| Type | prime | zoom |
| Focal Length Min | 50 mm | 28 mm |
| Focal Length Max | 50 mm | 75 mm |
| Elements | 9 | 17 |
| Groups | 6 | 15 |
| Aspherical Elements | 2 | 2 |
| ED Elements | 1 | 2★ |
| Coating | Ultra Multi-Coating | Fluorine Coating |
| Aperture | ||
| Max Aperture | f/1.4 | f/2.8 |
| Min Aperture | f/1.4 | f/2.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 8 | 9★ |
| Build | ||
| Mount | Sony E | Sony E |
| Format | full-frame | full-frame |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.42 kg★ | 0.54 kg |
| Filter Thread | 77 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | manual focus only | VXD linear motor★ |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 450 mm | 180 mm★ |
| Max Magnification | 1:6.25 | 1:2.7 |
优缺点
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)
Tamron Di III 28-75mm f/2.8 Di III VXD G2
- Strong af (98th percentile)98th %ile
- Strong optical (92nd percentile)92nd %ile
- Strong bokeh (89th percentile)89th %ile
- Strong aperture (87th percentile)87th %ile
价格
Rokinon AF 50mm f/1.4 50mm0.211每美元得分
vs
Tamron Di III 28-75mm f/2.8 Di III VXD G20.097每美元得分
Rokinon AF 50mm f/1.4 50mm 性价比高 2.2 倍
结论
胜出: Tamron Di III 28-75mm f/2.8 Di III VXD G2
Scores 98 overall, wins 9 of 9 usage categories and 4 of 21 specs.
