Tamron Di III 17-70mm f/2.8 Di III-A VC RXD
Tamron
97 综合评分
vs
OM System M.Zuiko Digital 14-42mm f/3.5-5.6 EZ
OM System
60 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
OM System M.Zuiko Digital 14-42mm f/3.5-5.6 EZ
78 满分 100 置信度高 72 条评价
奥林巴斯 M.Zuiko 14-42mm II R 被广泛誉为最好的套机变焦镜头之一，以其价格提供了令人印象深刻的锐度、紧凑的尺寸和快速的自动对焦。用户欣赏其轻巧的可折叠设计和多功能焦距范围，尽管许多人指出可变光圈（f/3.5-5.6）限制了弱光性能和虚化效果。常见的批评包括塑料卡口、未附带遮光罩以及有时不便的锁定机制。总体而言，它被认为是一款出色的入门镜头，与相机机身捆绑购买时性价比极高。
优点
- 紧凑轻巧的设计
- 套机镜头中令人印象深刻的图像锐度
- 快速安静的自动对焦
- 多功能焦距范围（等效28-84mm）
- 与相机捆绑购买时性价比极高
缺点
- 可变光圈限制了弱光性能
- 塑料卡口感觉廉价
- 未附带遮光罩
- 锁定机制可能很麻烦
- 小光圈限制了虚化效果
Image quality 45
Build quality 30
Size and portability 40
Aperture and low light 25
Autofocus performance 20
Value for money 35
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 | OM System M.Zuiko Digital 14-42mm f/3.5-5.6 EZ | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 17 mm | 14 mm |
| Focal Length Max | 70 mm | 42 mm |
| Elements | 16 | 8 |
| Groups | 12 | 7 |
| Aspherical Elements | 3 | 3 |
| ED Elements | 2★ | 1 |
| Coating | Fluorine Coating | ZERO |
| Aperture | ||
| Max Aperture | f/2.8 | f/22 |
| Min Aperture | f/2.8 | 3.5-5.6 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 9★ | 5 |
| Build | ||
| Mount | Sony E | Micro Four Thirds |
| Format | APS-C★ | micro-four-thirds |
| Weather Sealed | ✓★ | ✗ |
| Weight | 0.54 kg | 0.09 kg★ |
| Filter Thread | 67 mm | 37 mm |
| AF & Stabilization | ||
| AF Type | RXD | MSC |
| Stabilization | ✓★ | ✗ |
| Focus | ||
| Min Focus Distance | 190 mm★ | 200 mm |
| Max Magnification | 1:4.8 | 1:4.35 |
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
OM System M.Zuiko Digital 14-42mm f/3.5-5.6 EZ
- Strong build (97th percentile)97th %ile
- Strong macro (83rd percentile)83rd %ile
- Strong versatility (82nd percentile)82nd %ile
- Strong social proof (74th percentile)
- Below average bokeh (4th percentile)4th %ile
- Below average aperture (22nd percentile)
- Below average user sentiment (30th percentile)
价格
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 7 of 21 specs.
