Sirui Saturn RF50B-A 50mm
Sirui
52 综合评分
vs
Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD
Tamron
100 综合评分
评分
Budget
Macro
Landscape
Wildlife Sports
Professional
Street
Video Cinema
Portrait
Travel
规格
| Sirui Saturn RF50B-A 50mm | Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD | |
|---|---|---|
| Optics | ||
| Type | prime | zoom |
| Focal Length Min | 50 mm | 28 mm |
| Focal Length Max | 50 mm | 300 mm |
| Elements | 17 | 20 |
| Groups | 12 | 13 |
| Aspherical Elements | — | 3★ |
| ED Elements | — | 2★ |
| Coating | — | fluorine coating |
| Aperture | ||
| Max Aperture | T16 | f/4 |
| Min Aperture | T2.9 | 4-7.1 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 10★ | 9 |
| Build | ||
| Mount | Canon RF | Sony E |
| Format | full-frame | full-frame |
| Weather Sealed | — | ✓★ |
| Weight | 0.47 kg★ | 0.59 kg |
| Filter Thread | 62 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | Manual Focus | VXD linear motor★ |
| Stabilization | ✓ | ✓ |
| Focus | ||
| Min Focus Distance | 900 mm | 190 mm★ |
| Max Magnification | 1:16.2 | 1:3.8 |
优缺点
Sirui Saturn RF50B-A 50mm
- Strong stabilization (82nd percentile)82nd %ile
- Strong user sentiment (81st percentile)81st %ile
- Strong optical (69th percentile)
- Below average af (13th percentile)13th %ile
- Below average versatility (34th percentile)
Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD
- Strong af (98th percentile)98th %ile
- Strong versatility (98th percentile)98th %ile
- Strong optical (97th percentile)97th %ile
- Strong user sentiment (91st percentile)91st %ile
价格
Sirui Saturn RF50B-A 50mm0.094每美元得分
vs
Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD0.122每美元得分
Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD 性价比高 1.3 倍
结论
胜出: Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD
Scores 100 overall, wins 9 of 9 usage categories and 5 of 21 specs.
