7Artisans 4mm f/2.8 Circular Fisheye 4mm
7Artisans
52 综合评分
vs
Sigma 207975
Sigma
85 综合评分
评分
Professional
Street
Macro
Portrait
Travel
Budget
Video Cinema
Landscape
Wildlife Sports
规格
| 7Artisans 4mm f/2.8 Circular Fisheye 4mm | Sigma 207975 | |
|---|---|---|
| Optics | ||
| Type | fisheye | wide-angle-zoom |
| Focal Length Min | 4 mm | 10 mm |
| Focal Length Max | 4 mm | 18 mm |
| Elements | 10 | 13 |
| Groups | 8 | 10 |
| Aspherical Elements | — | 1★ |
| ED Elements | — | 4★ |
| Coating | — | Super Multi-Layer Coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/2.8 |
| Min Aperture | f/16 | f/2.8 |
| Constant | ✗ | ✓★ |
| Diaphragm Blades | 7 | 7 |
| Build | ||
| Mount | Micro Four Thirds | Sony E |
| Format | micro-four-thirds | APS-C★ |
| Weather Sealed | — | ✓★ |
| Weight | 0.20 kg★ | 0.26 kg |
| Filter Thread | — | 67 mm |
| AF & Stabilization | ||
| AF Type | Manual Focus | Autofocus |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 85 mm★ | 117 mm |
| Max Magnification | — | 1:4★ |
优缺点
7Artisans 4mm f/2.8 Circular Fisheye 4mm
- Strong macro (95th percentile)95th %ile
- Strong aperture (85th percentile)85th %ile
- Strong build (83rd percentile)83rd %ile
- Strong bokeh (82nd percentile)82nd %ile
- Below average af (13th percentile)13th %ile
- Below average user sentiment (30th percentile)
- Below average versatility (33rd percentile)
Sigma 207975
- Strong macro (93rd percentile)93rd %ile
- Strong build (89th percentile)89th %ile
- Strong aperture (85th percentile)85th %ile
- Strong optical (83rd percentile)83rd %ile
- Below average social proof (29th percentile)
价格
7Artisans 4mm f/2.8 Circular Fisheye 4mm0.255每美元得分
vs
Sigma 2079750.093每美元得分
7Artisans 4mm f/2.8 Circular Fisheye 4mm 性价比高 2.7 倍
结论
胜出: Sigma 207975
Scores 85 overall, wins 9 of 9 usage categories and 6 of 21 specs.
