Canon RF 28-70mm f/2.8 IS STM
Canon
86 Overall Score
vs
Tamron Di III VXD 20-40mm f/2.8 Di III VXD
Tamron
84 Overall Score
Scores
Macro
Professional
Street
Budget
Video Cinema
Portrait
Landscape
Travel
Wildlife Sports
Specifications
| 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-coated front element |
| 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 linear motor★ |
| Stabilization | ✓★ | ✗ |
| Stabilization Stops | 5.5 stops★ | — |
| Focus | ||
| Min Focus Distance | 239 mm | 170 mm★ |
| Max Magnification | 1:4.2 | 1:3.8 |
Pros & Cons
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 (87th percentile)87th %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 af (98th percentile)98th %ile
- Strong macro (88th percentile)88th %ile
- Strong aperture (84th percentile)84th %ile
- Strong optical (82nd percentile)82nd %ile
- Below average social proof (29th percentile)
Pricing
Canon RF 28-70mm f/2.8 IS STM
No current pricing available
Tamron Di III VXD 20-40mm f/2.8 Di III VXD
Verdict
Tie
Both products are closely matched - Canon RF 28-70mm f/2.8 IS STM wins 4 specs while Tamron Di III VXD 20-40mm f/2.8 Di III VXD wins 4.
