Tamron Di III 17-70mm f/2.8 Di III-A VC RXD
Tamron
97 综合评分
vs
Canon EF-S 18-200mm f/3.5-5.6 IS
Canon
85 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
Canon EF-S 18-200mm f/3.5-5.6 IS
暂无用户反馈
评分
Video Cinema
Budget
Macro
Professional
Portrait
Street
Travel
Landscape
Wildlife Sports
规格
| Tamron Di III 17-70mm f/2.8 Di III-A VC RXD | Canon EF-S 18-200mm f/3.5-5.6 IS | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 17 mm | 18 mm |
| Focal Length Max | 70 mm | 200 mm |
| Elements | 16 | 16 |
| Groups | 12 | 12 |
| Aspherical Elements | 3★ | 2 |
| ED Elements | 2 | 2 |
| Coating | Fluorine Coating | Super Spectra coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/3.5 |
| Min Aperture | f/2.8 | 3.5-5.6 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 9★ | 6 |
| Build | ||
| Mount | Sony E | Canon EF-S |
| Format | APS-C | APS-C |
| Weather Sealed | ✓★ | — |
| Weight | 0.54 kg | 0.11 kg★ |
| Filter Thread | 67 mm | 72 mm |
| AF & Stabilization | ||
| AF Type | RXD | DC Micro Motor |
| Stabilization | ✓ | ✓ |
| Stabilization Stops | — | 4 stops★ |
| Focus | ||
| Min Focus Distance | 190 mm★ | 457 mm |
| Max Magnification | 1:4.8★ | — |
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
Canon EF-S 18-200mm f/3.5-5.6 IS
- Strong versatility (98th percentile)98th %ile
- Strong build (96th percentile)96th %ile
- Strong stabilization (93rd percentile)93rd %ile
- Strong optical (88th percentile)88th %ile
结论
胜出: Tamron Di III 17-70mm f/2.8 Di III-A VC RXD
Scores 97 overall, wins 7 of 9 usage categories and 6 of 22 specs.