Canon RF 28-70mm f/2.8 IS STM
Tamron Di III 28-200mm f/2.8-5.6 Di III RXD
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 28-200mm f/2.8-5.6 Di III RXD
The Tamron 28-200mm f/2.8-5.6 Di III RXD is widely praised as a versatile all-in-one travel lens that delivers impressive sharpness and fast autofocus for its price. Users love its lightweight design and the ability to cover wide-angle to telephoto without swapping lenses, though some note slower AF on older bodies and a few report manual focus or durability issues. Overall, it's considered an excellent value for Sony full-frame shooters.
Pros
- Versatile all-in-one zoom range
- Lightweight and compact design
- Excellent image sharpness
- Fast and reliable autofocus
- Great value for money
Cons
- Autofocus issues on older bodies
- Manual focus ring non-functional on some units
- Slower autofocus compared to native Sony lenses
- Softness at the long end
- 28mm wide end not wide enough for some
Scores
Specifications
| Canon RF 28-70mm f/2.8 IS STM | Tamron Di III 28-200mm f/2.8-5.6 Di III RXD | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 28 mm | 28 mm |
| Focal Length Max | 70 mm | 200 mm |
| Elements | 14 | 18 |
| Groups | 11 | 14 |
| Aspherical Elements | 2★ | 1 |
| ED Elements | 2 | 2 |
| Coating | Super Spectra Coating (SSC) | Fluorine Coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/2.8 |
| Min Aperture | f/2.8 | 2.8-5.6 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | — | 7★ |
| Build | ||
| Mount | Canon RF | Sony E |
| Format | full-frame | full-frame |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.49 kg★ | 0.57 kg |
| Filter Thread | 67 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | STM★ | RXD stepping motor |
| Stabilization | ✓★ | ✗ |
| Stabilization Stops | 5.5 stops★ | — |
| Focus | ||
| Min Focus Distance | 270 mm | 190 mm★ |
| Max Magnification | 0.24x | 1:3.1★ |
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 28-200mm f/2.8-5.6 Di III RXD
- Strong versatility (96th percentile)96th %ile
- Strong optical (89th percentile)89th %ile
- Strong aperture (88th percentile)88th %ile
- Strong bokeh (87th percentile)87th %ile
- Below average stabilization (35th percentile)
Pricing
Canon RF 28-70mm f/2.8 IS STM
No current pricing available
Tamron Di III 28-200mm f/2.8-5.6 Di III RXD
Verdict
Scores 88 overall, wins 4 of 9 usage categories and 6 of 22 specs.