Canon RF-S 3.9mm f/3.5 STM Dual Fisheye 4mm
Canon
47 综合评分
vs
Sigma Art 24-70mm F2.8 DG DN Art
Sigma
97 综合评分
买家怎么说
Canon RF-S 3.9mm f/3.5 STM Dual Fisheye 4mm
45 满分 100 置信度中 11 条评价
佳能RF-S 3.9mm f/3.5 STM双鱼眼镜头收到褒贬不一的评价。一位已验证用户报告了一个严重的自动对焦错误，需要重置相机才能修复，并且与佳能VR Utility不兼容。另一位已验证用户认为它是R5系统的一个价格实惠、轻便且带自动对焦的替代品。第三位未验证用户称赞其用于VR视频，称其为婚礼摄像的10/10购买。
优点
- R5设置的经济实惠替代品
- 轻量化设计
- 自动对焦功能
- 非常适合VR视频
- 适合婚礼摄像
缺点
- 频繁丢失自动对焦，需要重置相机
- 与佳能VR Utility不兼容
- 兼容性有限（仅确认R7）
- 没有旋入式ND滤镜选项
- 仅对左镜头主体自动对焦
Autofocus reliability 3
Compatibility 3
Value for money 2
Vr video quality 2
Build quality 1
Filter options 2
Sigma Art 24-70mm F2.8 DG DN Art
85 满分 100 置信度高 165 条评价
适马 24-70mm f/2.8 Art 镜头获得了大部分正面评价，用户称赞其锐利的光学性能、扎实的做工以及相比原厂产品出色的性价比。许多人对其画质，尤其是中心部分的画质表示满意，并喜欢内置的图像稳定功能。然而，一些用户反映自动对焦不稳定，需要微调或使用USB底座进行校准，并指出该镜头明显偏重。少数个体出现了边缘画质偏软或前/后景对焦问题。
优点
- 锐利的光学性能
- 扎实的做工
- 出色的性价比
- 有效的图像稳定（OS）
- 快速安静的自动对焦
缺点
- 重量较重
- 自动对焦不稳定
- 部分焦距边缘画质偏软
- 需要微调或使用USB底座校准
- 部分个体存在前/后景对焦问题
Image quality 45
Autofocus performance 38
Build quality 30
Weight 27
Value for money 26
Image stabilization 18
评分
Macro
Budget
Professional
Portrait
Video Cinema
Landscape
Street
Travel
Wildlife Sports
规格
| Canon RF-S 3.9mm f/3.5 STM Dual Fisheye 4mm | Sigma Art 24-70mm F2.8 DG DN Art | |
|---|---|---|
| Optics | ||
| Type | fisheye | zoom |
| Focal Length Min | 4 mm | 24 mm |
| Focal Length Max | 4 mm | 70 mm |
| Elements | 11 | 19 |
| Groups | 8 | 15 |
| Aspherical Elements | — | 4★ |
| ED Elements | 2 | 3★ |
| Coating | Air Sphere Coating | Super Multi-Layer Coating |
| Aperture | ||
| Max Aperture | f/16 | f/2.8 |
| Min Aperture | f/3.5 | f/2.8 |
| Constant | ✗ | ✓★ |
| Diaphragm Blades | 7 | 9★ |
| Build | ||
| Mount | Canon RF | Sony E |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✗ | ✓★ |
| Weight | 0.29 kg★ | 1.02 kg |
| Filter Thread | 31 mm | 82 mm |
| AF & Stabilization | ||
| AF Type | STM★ | HSM |
| Stabilization | ✗ | ✓★ |
| Stabilization Stops | — | 4 stops★ |
| Focus | ||
| Min Focus Distance | 201 mm | 170 mm★ |
| Max Magnification | 1:33.33 | 1:2.7 |
优缺点
Canon RF-S 3.9mm f/3.5 STM Dual Fisheye 4mm
- Strong af (85th percentile)85th %ile
- Strong macro (81st percentile)81st %ile
- Strong build (76th percentile)
- Below average user sentiment (2nd percentile)2nd %ile
- Below average social proof (26th percentile)
- Below average bokeh (30th percentile)
- Below average versatility (34th percentile)
Sigma Art 24-70mm F2.8 DG DN Art
- Strong optical (98th percentile)98th %ile
- Strong social proof (94th percentile)94th %ile
- Strong stabilization (93rd percentile)93rd %ile
- Strong bokeh (89th percentile)89th %ile
价格
Canon RF-S 3.9mm f/3.5 STM Dual Fisheye 4mm0.002每美元得分
vs
Sigma Art 24-70mm F2.8 DG DN Art0.004每美元得分
Sigma Art 24-70mm F2.8 DG DN Art 性价比高 2.0 倍
结论
胜出: Sigma Art 24-70mm F2.8 DG DN Art
Scores 97 overall, wins 9 of 9 usage categories and 9 of 22 specs.
