Tamron Di III-A 17-70mm F/2.8 Di III-A VC RXD
Tamron
73 综合评分
vs
Viltrox Air AF 15/1.7 XF 15mm
Viltrox
69 综合评分
买家怎么说
Tamron Di III-A 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
Viltrox Air AF 15/1.7 XF 15mm
78 满分 100 置信度高 76 条评价
这款Viltrox镜头系列因其卓越的性价比、锐度和大光圈而获得了压倒性的积极反馈。用户普遍称赞其画质和做工，认为其性能远超其价格。少数用户报告存在色差、视频中对焦噪音、固件更新及偶尔的缺陷问题，但总体认为这是非常优秀的平价定焦镜头。
优点
- 出色的锐度
- 大光圈（f/1.2、f/1.7、f/1.8）
- 性价比极高
- 做工扎实
- 快速准确的自动对焦
缺点
- 高对比度场景下有色差
- 视频自动对焦噪音大
- 光圈环太容易误触
- 固件更新过程繁琐
- 偶尔遇到有缺陷的镜头
Sharpness 28
Value for money 25
Build quality 18
Autofocus performance 16
Low light performance 12
Chromatic aberration 4
评分
Macro
Landscape
Street
Professional
Wildlife Sports
Budget
Travel
Video Cinema
Portrait
规格
| Tamron Di III-A 17-70mm F/2.8 Di III-A VC RXD | Viltrox Air AF 15/1.7 XF 15mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 17 mm | 15 mm |
| Focal Length Max | 70 mm | 15 mm |
| Elements | 16 | 12 |
| Groups | 12 | 10 |
| Aspherical Elements | 3★ | 2 |
| ED Elements | 2 | 3★ |
| Coating | Fluorine Coating | HD nano-coating |
| Aperture | ||
| Max Aperture | f/22 | f/16 |
| Min Aperture | f/2.8 | f/1.7 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 9 | 9 |
| Build | ||
| Mount | Nikon Z | Nikon Z |
| Format | APS-C | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.54 kg | 0.18 kg★ |
| Filter Thread | 67 mm | 58 mm |
| AF & Stabilization | ||
| AF Type | RXD Stepping AF Motor | STM★ |
| Stabilization | ✓★ | ✗ |
| Focus | ||
| Min Focus Distance | 70 mm★ | 229 mm |
| Max Magnification | 1:4.8 | 1:10 |
优缺点
Tamron Di III-A 17-70mm F/2.8 Di III-A VC RXD
- Strong macro (94th percentile)94th %ile
- Strong optical (90th percentile)90th %ile
- Strong versatility (90th percentile)90th %ile
- Strong af (85th percentile)85th %ile
- Below average social proof (17th percentile)17th %ile
- Below average aperture (22nd percentile)
- Below average bokeh (25th percentile)
Viltrox Air AF 15/1.7 XF 15mm
- Strong build (94th percentile)94th %ile
- Strong af (85th percentile)85th %ile
- Strong social proof (82nd percentile)82nd %ile
- Strong optical (81st percentile)81st %ile
- Below average user sentiment (30th percentile)
- Below average versatility (34th percentile)
价格
Tamron Di III-A 17-70mm F/2.8 Di III-A VC RXD
No current pricing available
Viltrox Air AF 15/1.7 XF 15mm
结论
胜出: Tamron Di III-A 17-70mm F/2.8 Di III-A VC RXD
Scores 73 overall, wins 3 of 9 usage categories and 4 of 21 specs.
