Sony FE 400-800mm f/6.3-8 G OSS
Sony
66 综合评分
vs
Pentax HD DA 20-40mm F2.8-4 Limited DC WR Wide Zoom 40mm
Pentax
86 综合评分
买家怎么说
Sony FE 400-800mm f/6.3-8 G OSS
72 满分 100 置信度中 15 条评价
索尼400-800mm镜头因其锐度和快速自动对焦而备受赞誉，通常优于200-600mm。然而，它很重，头重脚轻，由于F8光圈需要快速快门速度和良好光线。一个重大问题是报告的氟涂层裂纹不在保修范围内，导致用户不满。
优点
- 图像锐利
- 快速自动对焦
- 优于200-600mm
- 内部对焦
- 非常适合野生动物摄影
缺点
- 沉重且头重脚轻
- F8光圈限制弱光使用
- 需要快速快门速度
- 保修不覆盖涂层裂纹
- 需要昂贵的延长保修
Sharpness 5
Autofocus speed 3
Weight and balance 3
Aperture limitation 3
Warranty issues 1
Build quality 2
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
Portrait
Travel
Budget
Wildlife Sports
Professional
Video Cinema
Landscape
规格
| Sony FE 400-800mm f/6.3-8 G OSS | Pentax HD DA 20-40mm F2.8-4 Limited DC WR Wide Zoom 40mm | |
|---|---|---|
| Optics | ||
| Type | super-telephoto | zoom |
| Focal Length Min | 400 mm | 20 mm |
| Focal Length Max | 800 mm | 40 mm |
| Elements | 27 | 9 |
| Groups | 19 | 8 |
| Aspherical Elements | — | 1★ |
| ED Elements | 6★ | 1 |
| Coating | Fluorine coating | HD coating |
| Aperture | ||
| Max Aperture | f/6.3 | f/2.8 |
| Min Aperture | 6.3-8 | 2.8-4 |
| Constant | ✗ | ✗ |
| Diaphragm Blades | 11★ | 9 |
| Build | ||
| Mount | Sony E | Pentax K |
| Format | full-frame★ | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 2.47 kg | 0.28 kg★ |
| Filter Thread | 105 mm | 55 mm |
| AF & Stabilization | ||
| AF Type | Linear motor★ | Autofocus |
| Stabilization | ✓ | ✓ |
| Focus | ||
| Min Focus Distance | 1.70 m | 40 mm★ |
| Max Magnification | 1:4.34 | 1:5 |
优缺点
Sony FE 400-800mm f/6.3-8 G OSS
- Strong optical (100th percentile)100th %ile
- Strong af (98th percentile)98th %ile
- Strong stabilization (81st percentile)81st %ile
- Strong versatility (72nd percentile)
- Below average build (10th percentile)10th %ile
- Below average user sentiment (16th percentile)16th %ile
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 (87th percentile)87th %ile
- Strong build (86th percentile)86th %ile
价格
Sony FE 400-800mm f/6.3-8 G OSS0.020每美元得分
vs
Pentax HD DA 20-40mm F2.8-4 Limited DC WR Wide Zoom 40mm0.096每美元得分
Pentax HD DA 20-40mm F2.8-4 Limited DC WR Wide Zoom 40mm 性价比高 4.8 倍
结论
胜出: Pentax HD DA 20-40mm F2.8-4 Limited DC WR Wide Zoom 40mm
Scores 86 overall, wins 7 of 9 usage categories and 3 of 21 specs.
