Canon RF 28-70mm f/2.8 IS STM
Canon
88 综合评分
vs
Tamron Di III VXD 20-40mm f/2.8 Di III VXD
Tamron
78 综合评分
评分
Macro
Landscape
Professional
Video Cinema
Budget
Wildlife Sports
Portrait
Travel
Street
规格
| Canon RF 28-70mm f/2.8 IS STM | Tamron Di III VXD 20-40mm f/2.8 Di III VXD | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 28 mm | 20 mm |
| Focal Length Max | 70 mm | 40 mm |
| Elements | 15 | 12 |
| Groups | 12 | 11 |
| Aspherical Elements | 2★ | 1 |
| ED Elements | 2 | 4★ |
| Coating | Super Spectra Coating (SSC) | fluorine coating |
| Aperture | ||
| Max Aperture | f/22 | f/2.8 |
| Min Aperture | f/2.8 | f/2.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 9★ | — |
| Build | ||
| Mount | Canon RF | Sony E |
| Format | full-frame | full-frame |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.49 kg | 0.37 kg★ |
| Filter Thread | 67 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | STM★ | VXD (Voice-coil eXtreme-torque Drive) |
| Stabilization | ✓★ | ✗ |
| Stabilization Stops | 5.5 stops★ | — |
| Focus | ||
| Min Focus Distance | 239 mm | 170 mm★ |
| Max Magnification | 1:4.2 | 1:3.8 |
优缺点
Canon RF 28-70mm f/2.8 IS STM
- Strong stabilization (99th percentile)99th %ile
- Strong user sentiment (98th percentile)98th %ile
- Strong social proof (90th percentile)90th %ile
- Strong af (88th percentile)88th %ile
- Below average aperture (20th percentile)20th %ile
- Below average bokeh (23rd percentile)
Tamron Di III VXD 20-40mm f/2.8 Di III VXD
- Strong macro (87th percentile)87th %ile
- Strong aperture (83rd percentile)83rd %ile
- Strong optical (83rd percentile)83rd %ile
- Strong build (82nd percentile)82nd %ile
- Below average social proof (30th percentile)
价格
Canon RF 28-70mm f/2.8 IS STM0.084每美元得分
vs
Tamron Di III VXD 20-40mm f/2.8 Di III VXD0.122每美元得分
Tamron Di III VXD 20-40mm f/2.8 Di III VXD 性价比高 1.5 倍
结论
胜出: Canon RF 28-70mm f/2.8 IS STM
Scores 88 overall, wins 6 of 9 usage categories and 5 of 22 specs.
