Canon RF 28-70mm f/2.8 IS STM
Tamron Di III 70-180mm f/2.8 Di III VC VXD G2 180mm
What Buyers Say
Canon RF 28-70mm f/2.8 IS STM
The Canon RF 24-70mm f/2.8L IS USM lens receives overwhelmingly positive feedback for its sharpness, fast autofocus, and lightweight design. Users appreciate it as a versatile upgrade from kit lenses, especially for mirrorless cameras like the R7 and R5 Mark II. A single negative review is due to a delivery issue, not product quality.
Pros
- Sharp image quality
- Fast and accurate autofocus
- Lightweight and compact design
- Great value for the price
- Versatile for various settings
Cons
- Possible delivery mismanagement
Tamron Di III 70-180mm f/2.8 Di III VC VXD G2 180mm
The Tamron 70-180mm f/2.8 G2 is widely praised for its sharpness, lightweight design, and excellent value compared to pricier OEM alternatives like the Sony 70-200mm GM II. Users highlight fast autofocus, effective image stabilization, and solid build quality, making it a favorite for sports, wildlife, and everyday telephoto shooting. A few concerns include the lack of a 200mm reach, potential dust ingress on the extending front, and isolated reports of gray market units without full warranty. Overall, it delivers professional-grade results at a fraction of the cost.
Pros
- Exceptional sharpness across zoom range
- Lightweight and portable design
- Excellent value for money
- Fast and accurate autofocus
- Effective image stabilization
Cons
- Lacks 200mm reach of competitors
- Extending front element may collect dust
- Gray market units without full warranty
- Not parfocal
- Incompatible with teleconverters
Scores
Specifications
| Canon RF 28-70mm f/2.8 IS STM | Tamron Di III 70-180mm f/2.8 Di III VC VXD G2 180mm | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 28 mm | 70 mm |
| Focal Length Max | 70 mm | 180 mm |
| Elements | 14 | 20 |
| Groups | 11 | 15 |
| Aspherical Elements | 2 | 3★ |
| ED Elements | 2 | 4★ |
| Coating | Super Spectra Coating (SSC) | Fluorine coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/22 |
| 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★ | 0.85 kg |
| Filter Thread | 67 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | STM★ | VXD |
| Stabilization | ✓ | ✓ |
| Stabilization Stops | 5.5 stops★ | 5 stops |
| Focus | ||
| Min Focus Distance | 270 mm★ | 300 mm |
| Max Magnification | 0.24x | 1:2.6★ |
Pros & Cons
Canon RF 28-70mm f/2.8 IS STM
- Strong stabilization (98th percentile)98th %ile
- Strong aperture (88th percentile)88th %ile
- Strong user sentiment (88th percentile)88th %ile
- Strong bokeh (87th percentile)87th %ile
Tamron Di III 70-180mm f/2.8 Di III VC VXD G2 180mm
- Strong optical (98th percentile)98th %ile
- Strong stabilization (96th percentile)96th %ile
- Strong social proof (86th percentile)86th %ile
- Strong versatility (78th percentile)
- Below average aperture (22nd percentile)
- Below average bokeh (25th percentile)
Pricing
Verdict
Scores 88 overall, wins 7 of 9 usage categories and 4 of 22 specs.
