Tamron Di III 17-70mm f/2.8 Di III-A VC RXD
Tamron
97 综合评分
vs
Brightin Star 50mm f/1.05 50mm
Brightin Star
49 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
Brightin Star 50mm f/1.05 50mm
暂无用户反馈
评分
Video Cinema
Budget
Professional
Macro
Travel
Portrait
Landscape
Street
Wildlife Sports
规格
| Tamron Di III 17-70mm f/2.8 Di III-A VC RXD | Brightin Star 50mm f/1.05 50mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 17 mm | 50 mm |
| Focal Length Max | 70 mm | 50 mm |
| Elements | 16 | 10 |
| Groups | 12 | 8 |
| Aspherical Elements | 3★ | — |
| ED Elements | 2 | 2 |
| Coating | Fluorine Coating | Multi-Layer Coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/11 |
| Min Aperture | f/2.8 | f/1.05 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 9 | 15★ |
| Build | ||
| Mount | Sony E | L-Mount |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓★ | — |
| Weight | 0.54 kg★ | 0.61 kg |
| Filter Thread | 67 mm | 58 mm |
| AF & Stabilization | ||
| AF Type | RXD | manual focus only |
| Stabilization | ✓★ | ✗ |
| Focus | ||
| Min Focus Distance | 190 mm★ | 570 mm |
| Max Magnification | 1:4.8 | 1:8 |
优缺点
Tamron Di III 17-70mm f/2.8 Di III-A VC RXD
- Strong optical (91st percentile)91st %ile
- Strong versatility (90th percentile)90th %ile
- Strong bokeh (87th percentile)87th %ile
- Strong macro (86th percentile)86th %ile
Brightin Star 50mm f/1.05 50mm
- Strong social proof (93rd percentile)93rd %ile
- Below average af (13th percentile)13th %ile
- Below average versatility (34th percentile)
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 5 of 21 specs.