Lightdow 4349
Lightdow
65 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
Lightdow 4349
暂无用户反馈
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
| Lightdow 4349 | Tamron Di III 17-70mm f/2.8 Di III-A VC RXD | |
|---|---|---|
| Optics | ||
| Type | wide-angle | zoom |
| Focal Length Min | — | 17 mm |
| Focal Length Max | — | 70 mm |
| Elements | — | 16 |
| Groups | — | 12 |
| Aspherical Elements | — | 3★ |
| ED Elements | — | 2★ |
| Coating | Multicoated Glass Optics | Fluorine Coating |
| Aperture | ||
| Max Aperture | — | f/2.8 |
| Min Aperture | — | f/2.8 |
| Constant | — | ✓★ |
| Diaphragm Blades | — | 9★ |
| Build | ||
| Mount | Canon EF, Canon EF-M, Canon EF-S, Sony E | Sony E |
| Format | — | APS-C★ |
| Weather Sealed | — | ✓★ |
| Weight | — | 0.54 kg★ |
| Filter Thread | 49 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | STM★ | RXD |
| Stabilization | ✓ | ✓ |
| Focus | ||
| Min Focus Distance | 45 mm★ | 190 mm |
| Max Magnification | — | 1:4.8★ |
优缺点
Lightdow 4349
- Strong macro (97th percentile)97th %ile
- Strong af (86th percentile)86th %ile
- Strong stabilization (81st percentile)81st %ile
- Strong aperture (70th percentile)
- 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
Lightdow 43491.961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
Lightdow 4349 性价比高 12.1 倍
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 8 of 21 specs.
