Canon RF28-70mm F2.8 IS STM 28-70mm
Tamron Di III 17-70mm f/2.8 Di III-A VC RXD
What Buyers Say
Canon RF28-70mm F2.8 IS STM 28-70mm
This lens is highly praised for its sharpness, lightweight design, and versatility, making it an excellent mid-range zoom for travel and low-light photography. Users appreciate its compatibility with Canon R-series cameras and its ability to deliver professional-quality images. The only minor drawback mentioned is the limited zoom range, but reviewers agree it is the most compact and light option available.
Pros
- Sharp image quality
- Lightweight and compact design
- Versatile mid-range zoom
- Excellent low-light performance
- Fast and accurate autofocus
Cons
- Limited zoom range
- High price for some users
Tamron Di III 17-70mm f/2.8 Di III-A VC RXD
The Tamron 17-70mm f/2.8 Di III-A VC RXD lens is widely praised for its sharpness, versatile zoom range, constant aperture, and effective stabilization, making it an excellent all-around lens for APS-C cameras. Users appreciate its solid build quality and value for money, though many note it is noticeably heavier and larger than typical kit lenses, which can feel unbalanced on smaller camera bodies. A few reviewers mention minor issues like chromatic aberration at the longer end and noise from the aperture blades at certain settings, but overall sentiment is very positive.
Pros
- sharp image quality across zoom range
- constant f/2.8 aperture
- effective image stabilization
- fast and quiet autofocus
- versatile 17-70mm focal range
Cons
- heavy and large for APS-C body
- chromatic aberration at 50-70mm
- aperture blade noise above f/5.6
- short zoom throw initially stiff
- no aperture ring on Fuji version
Scores
Specifications
| Canon RF28-70mm F2.8 IS STM 28-70mm | Tamron Di III 17-70mm f/2.8 Di III-A VC RXD | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 28 mm | 17 mm |
| Focal Length Max | 70 mm | 70 mm |
| Elements | 15 | 16 |
| Groups | 12 | 12 |
| Aspherical Elements | 2 | 3★ |
| ED Elements | 2 | 2 |
| 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 | 9 |
| Build | ||
| Mount | Canon RF | Sony E |
| Format | full-frame★ | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.49 kg★ | 0.54 kg |
| Filter Thread | 67 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | STM★ | RXD |
| Stabilization | ✓ | ✓ |
| Stabilization Stops | 5.5 stops★ | — |
| Focus | ||
| Min Focus Distance | 239 mm | 190 mm★ |
| Max Magnification | 1:4.2 | 1:4.8 |
Pros & Cons
Canon RF28-70mm F2.8 IS STM 28-70mm
- Strong stabilization (99th percentile)99th %ile
- Strong user sentiment (98th percentile)98th %ile
- Strong social proof (90th percentile)90th %ile
- Strong optical (86th percentile)86th %ile
- Below average aperture (22nd percentile)
- Below average bokeh (25th percentile)
Tamron Di III 17-70mm f/2.8 Di III-A VC RXD
- Strong optical (90th percentile)90th %ile
- Strong versatility (90th percentile)90th %ile
- Strong bokeh (89th percentile)89th %ile
- Strong aperture (86th percentile)86th %ile
Pricing
Tamron Di III 17-70mm f/2.8 Di III-A VC RXD offers 2.1x better value for money
Verdict
Scores 97 overall, wins 7 of 9 usage categories and 2 of 22 specs.
