KOMQI 311955
KOMQI
81 综合评分
vs
Tamron Di III 17-70mm f/2.8 Di III-A VC RXD
Tamron
97 综合评分
买家怎么说
KOMQI 311955
88 满分 100 置信度高 55 条评价
适马50mm f/1.4 Art镜头因其卓越的锐度、美丽的散景以及快速安静的自动对焦而广受赞誉。用户一致强调其出色的做工质量以及与佳能L系列或尼康G系列等原厂替代品相比卓越的性价比。虽然许多人指出它比典型的50mm定焦镜头更重更大，但图像质量和性能被认为值得权衡。少数用户提到在弱光或旧固件下自动对焦偶尔不一致，但总体情绪极为积极。
优点
- 卓越的锐度
- 美丽的散景
- 快速安静的自动对焦
- 出色的做工质量
- 卓越的性价比
缺点
- 沉重且笨重
- 弱光下自动对焦犹豫
- f/1.4时边缘偏软
- 潜在的前后对焦问题
- 固件兼容性问题
Image quality 18
Bokeh 12
Autofocus performance 14
Build quality 10
Value for money 11
Weight and size 9
Tamron Di III 17-70mm f/2.8 Di III-A VC RXD
85 满分 100 置信度高 62 条评价
腾龙17-70mm f/2.8 Di III-A VC RXD镜头因锐度高、变焦范围广、恒定光圈和有效的防抖性能而广受好评，是APS-C相机的卓越全能镜头。用户赞赏其扎实的做工和性价比，但许多人指出它明显比套机镜头更重更大，在小型机身上会感到头重脚轻。少数评测提到长焦端色散和特定设置下的光圈叶片噪音等小问题，但整体来看评价非常积极。
优点
- 全焦段成像锐利
- 恒定 f/2.8 光圈
- 有效的防抖性能
- 快速静音自动对焦
- 17-70mm 焦段非常实用
缺点
- 对 APS-C 机身而言太重太大
- 50-70mm 端色散明显
- 光圈在 f/5.6 以上有噪音
- 变焦环初始偏紧
- 富士版本没有光圈环
Image quality 27
Build quality 15
Weight and size 18
Value for money 14
Stabilization 12
Autofocus performance 11
评分
Video Cinema
Budget
Macro
Professional
Portrait
Travel
Landscape
Street
Wildlife Sports
规格
| KOMQI 311955 | Tamron Di III 17-70mm f/2.8 Di III-A VC RXD | |
|---|---|---|
| Optics | ||
| Type | prime | zoom |
| Focal Length Min | 50 mm | 17 mm |
| Focal Length Max | 50 mm | 70 mm |
| Elements | 14 | 16 |
| Groups | 11 | 12 |
| Aspherical Elements | 3 | 3 |
| ED Elements | 1 | 2★ |
| Coating | Super Multi-Layer Coating | Fluorine Coating |
| Aperture | ||
| Max Aperture | f/1.4 | f/2.8 |
| Min Aperture | f/1.4 | f/2.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 9 | 9 |
| Build | ||
| Mount | Nikon F | Sony E |
| Format | full-frame★ | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.81 kg | 0.54 kg★ |
| Filter Thread | 77 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | HSM | RXD |
| Stabilization | ✗ | ✓★ |
| Focus | ||
| Min Focus Distance | 400 mm | 190 mm★ |
| Max Magnification | 1:5.6 | 1:4.8 |
优缺点
KOMQI 311955
- Strong aperture (97th percentile)97th %ile
- Strong bokeh (97th percentile)97th %ile
- Strong social proof (90th percentile)90th %ile
- Strong optical (84th percentile)84th %ile
- Below average versatility (34th percentile)
Tamron Di III 17-70mm f/2.8 Di III-A VC RXD
- Strong optical (90th percentile)90th %ile
- Strong versatility (90th percentile)90th %ile
- Strong bokeh (89th percentile)89th %ile
- Strong aperture (86th percentile)86th %ile
价格
KOMQI 3119550.112每美元得分
vs
Tamron Di III 17-70mm f/2.8 Di III-A VC RXD0.162每美元得分
Tamron Di III 17-70mm f/2.8 Di III-A VC RXD 性价比高 1.4 倍
结论
胜出: Tamron Di III 17-70mm f/2.8 Di III-A VC RXD
Scores 97 overall, wins 8 of 9 usage categories and 4 of 21 specs.
