Viltrox AF 28mm F4.5 28mm
Viltrox
55 综合评分
vs
Pentax HD DA 20-40mm F2.8-4 Limited DC WR Wide Zoom 40mm
Pentax
87 综合评分
买家怎么说
Viltrox AF 28mm F4.5 28mm
72 满分 100 置信度中 20 条评价
Viltrox AF 28mm f/4.5 饼干镜头因其超紧凑的尺寸、轻巧的设计和出色的性价比而广受好评，成为街头摄影和旅行的最爱。用户指出，它将全画幅相机变成了一个非常便携的设置，尽管固定光圈 f/4.5 和缺乏手动对焦环对某些人来说是限制。图像质量被认为物有所值，但弱光性能和暗光下的自动对焦是常见的缺点。少数用户报告了后镜头盖卡住或某些索尼型号电池耗尽的问题，但总体情绪对其预期的休闲用途是积极的。
优点
- 超紧凑轻巧的设计
- 出色的性价比
- 适合街头摄影和旅行
- 同类产品中图像清晰
- 内置镜头盖
缺点
- 固定光圈 f/4.5
- 无手动对焦环
- 弱光自动对焦差
- 索尼 A5100 电池耗尽
- 后镜头盖卡住问题
Portability 12
Value for money 10
Image quality 8
Fixed aperture 5
Autofocus performance 5
Low light performance 4
Pentax HD DA 20-40mm F2.8-4 Limited DC WR Wide Zoom 40mm
82 满分 100 置信度中 24 条评价
宾得HD DA 20-40mm f/2.8-4 ED Limited DC WR镜头因其出色的做工质量、锐度和美丽的色彩还原而备受赞誉。用户喜欢它作为街拍和风景摄影的多功能挂机镜头，尤其是在K-3等APS-C机身上。主要缺点是可变光圈和许多人认为相对于套机镜头的性能提升而言价格过高。
优点
- 出色的做工质量
- 优秀的锐度
- 美丽的色彩还原
- 防尘防滴
- 适合街拍和风景的多功能焦段
缺点
- 可变光圈 (f/2.8-4)
- 性能提升价格过高
- 变焦范围有限
- 不如某些套机镜头广角
Build quality 8
Sharpness 7
Color rendition 5
Value for money 4
Weather resistance 3
Variable aperture 3
评分
Macro
Street
Travel
Budget
Portrait
Professional
Landscape
Video Cinema
Wildlife Sports
规格
| Viltrox AF 28mm F4.5 28mm | Pentax HD DA 20-40mm F2.8-4 Limited DC WR Wide Zoom 40mm | |
|---|---|---|
| Optics | ||
| Type | prime | zoom |
| Focal Length Min | 28 mm | 20 mm |
| Focal Length Max | 28 mm | 40 mm |
| Elements | 6 | 9 |
| Groups | 6 | 8 |
| Aspherical Elements | 2★ | 1 |
| ED Elements | 2★ | 1 |
| Coating | nano multi-coating | HD coating |
| Aperture | ||
| Max Aperture | f/28 | f/2.8 |
| Min Aperture | f/4.5 | 2.8-4 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 6 | 9★ |
| Build | ||
| Mount | Fujifilm X | Pentax K |
| Format | APS-C | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.06 kg★ | 0.28 kg |
| Filter Thread | — | 55 mm |
| AF & Stabilization | ||
| AF Type | VCM Voice Coil Autofocus Motor | Autofocus |
| Stabilization | ✓ | ✓ |
| Focus | ||
| Min Focus Distance | 340 mm | 40 mm★ |
| Max Magnification | 1:10 | 1:5 |
优缺点
Viltrox AF 28mm F4.5 28mm
- Strong build (100th percentile)100th %ile
- Strong af (95th percentile)95th %ile
- Strong stabilization (80th percentile)80th %ile
- Strong macro (66th percentile)
- Below average bokeh (3rd percentile)3rd %ile
- Below average aperture (8th percentile)8th %ile
- Below average user sentiment (16th percentile)16th %ile
- Below average versatility (34th percentile)
Pentax HD DA 20-40mm F2.8-4 Limited DC WR Wide Zoom 40mm
- Strong macro (97th percentile)97th %ile
- Strong bokeh (89th percentile)89th %ile
- Strong aperture (86th percentile)86th %ile
- Strong build (86th percentile)86th %ile
价格
Viltrox AF 28mm F4.5 28mm0.693每美元得分
vs
Pentax HD DA 20-40mm F2.8-4 Limited DC WR Wide Zoom 40mm0.167每美元得分
Viltrox AF 28mm F4.5 28mm 性价比高 4.1 倍
结论
胜出: Pentax HD DA 20-40mm F2.8-4 Limited DC WR Wide Zoom 40mm
Scores 87 overall, wins 9 of 9 usage categories and 2 of 21 specs.
