Tamron Di III 17-70mm f/2.8 Di III-A VC RXD
Tamron
97 综合评分
vs
Sigma 20-200mm F 3.5-6.3 DG
Sigma
74 综合评分
买家怎么说
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
Sigma 20-200mm F 3.5-6.3 DG
暂无用户反馈
评分
Video Cinema
Budget
Macro
Professional
Portrait
Travel
Landscape
Street
Wildlife Sports
规格
| Tamron Di III 17-70mm f/2.8 Di III-A VC RXD | Sigma 20-200mm F 3.5-6.3 DG | |
|---|---|---|
| Optics | ||
| Type | zoom | telephoto |
| Focal Length Min | 17 mm | 20 mm |
| Focal Length Max | 70 mm | 200 mm |
| Elements | 16 | 18 |
| Groups | 12 | 14 |
| Aspherical Elements | 3 | 4★ |
| ED Elements | 2 | 4★ |
| Coating | Fluorine Coating | water and oil-repellent coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/3.5 |
| Min Aperture | f/2.8 | f/3.5 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 9 | 9 |
| Build | ||
| Mount | Sony E | L-Mount |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.54 kg★ | 0.99 kg |
| Filter Thread | 67 mm | 72 mm |
| AF & Stabilization | ||
| AF Type | RXD | HLA (High-response Linear Actuator) |
| Stabilization | ✓★ | ✗ |
| Focus | ||
| Min Focus Distance | 190 mm★ | 200 mm |
| Max Magnification | 1:4.8 | 1:2 |
优缺点
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
Sigma 20-200mm F 3.5-6.3 DG
- Strong optical (98th percentile)98th %ile
- Strong versatility (97th percentile)97th %ile
- Strong bokeh (87th percentile)87th %ile
- Strong macro (84th percentile)84th %ile
价格
Tamron Di III 17-70mm f/2.8 Di III-A VC RXD
No current pricing available
Sigma 20-200mm F 3.5-6.3 DG
结论
胜出: Tamron Di III 17-70mm f/2.8 Di III-A VC RXD
Scores 97 overall, wins 9 of 9 usage categories and 3 of 21 specs.
