Canon EF-S 55-250mm f/4-5.6 IS STM
Canon
84 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
Canon EF-S 55-250mm f/4-5.6 IS STM
82 满分 100 置信度高 331 条评价
佳能 EF-S 55-250mm f/4-5.6 IS STM 镜头因其出色的锐度、快速安静的自动对焦和轻巧的设计而广受赞誉，对于业余摄影师和野生动物爱好者来说，性价比极高。许多用户强调长焦端令人印象深刻的画质和有效的图像稳定功能，尽管有些人注意到超过 200mm 时画质变软，最大光圈下有明显暗角。少数评论者遇到了质量控制问题，如图像模糊或对焦环失灵，但压倒性的共识是，这款镜头在其价位上提供了卓越的性能。
优点
- 价格下出色的锐度
- 快速安静的STM自动对焦
- 轻巧紧凑的设计
- 有效的图像稳定
- 极佳的性价比
缺点
- 超过200mm画质变软
- 最大光圈下明显暗角
- 塑料制造工艺
- 电子手动对焦需要相机供电
- 最大光圈较慢（250mm 时为 f/5.6）
Image quality 45
Autofocus performance 30
Value for money 35
Build quality 20
Image stabilization 18
Sharpness at long end 25
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
| Canon EF-S 55-250mm f/4-5.6 IS STM | Tamron Di III 17-70mm f/2.8 Di III-A VC RXD | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 55 mm | 17 mm |
| Focal Length Max | 250 mm | 70 mm |
| Elements | 15 | 16 |
| Groups | 12 | 12 |
| Aspherical Elements | 0 | 3★ |
| ED Elements | 1 | 2★ |
| Coating | Super Spectra coating | Fluorine Coating |
| Aperture | ||
| Max Aperture | f/4 | f/2.8 |
| Min Aperture | 4-5.6 | f/2.8 |
| Constant | ✗ | ✓★ |
| Diaphragm Blades | 7 | 9★ |
| Build | ||
| Mount | Canon EF-S | Sony E |
| Format | APS-C | APS-C |
| Weather Sealed | ✗ | ✓★ |
| Weight | 0.38 kg★ | 0.54 kg |
| Filter Thread | 58 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | STM★ | RXD |
| Stabilization | ✓ | ✓ |
| Stabilization Stops | 4 stops★ | — |
| Focus | ||
| Min Focus Distance | 850 mm | 190 mm★ |
| Max Magnification | 0.29x | 1:4.8★ |
优缺点
Canon EF-S 55-250mm f/4-5.6 IS STM
- Strong stabilization (93rd percentile)93rd %ile
- Strong versatility (92nd percentile)92nd %ile
- Strong af (86th percentile)86th %ile
- Strong social proof (81st percentile)81st %ile
- Below average macro (33rd 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
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 7 of 22 specs.
