Canon RF28-70mm F2.8 IS STM 28-70mm
Tamron Di III 70-300mm f/4.5-6.3 Di III 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 70-300mm f/4.5-6.3 Di III RXD
This Tamron 70-300mm lens is widely praised for its excellent value, delivering solid telephoto and macro performance at a budget-friendly price. Many users highlight sharp images at mid-range and macro distances, though some note softness at the long end and noticeable chromatic aberration in high-contrast scenes. Build quality feels good for the price, with a smooth zoom action and metal mount, but a few reviewers experienced focus inconsistency and a slight catch in the zoom ring. Overall, it's a highly recommended budget telephoto for those who can work around its limitations.
Pros
- Excellent value for money
- Good macro performance (1:2)
- Solid build quality for price
- Sharp images at mid-range and macro
- Fast and accurate autofocus
Cons
- Soft focus at 300mm end
- Noticeable chromatic aberration
- Zoom ring catch around 180-200mm
- Inconsistent autofocus on some bodies
- Not as sharp as premium lenses
Scores
Specifications
| Canon RF28-70mm F2.8 IS STM 28-70mm | Tamron Di III 70-300mm f/4.5-6.3 Di III RXD | |
|---|---|---|
| Optics | ||
| Type | zoom | telephoto |
| Focal Length Min | 28 mm | 70 mm |
| Focal Length Max | 70 mm | 300 mm |
| Elements | 15 | 15 |
| Groups | 12 | 10 |
| Aspherical Elements | 2★ | — |
| ED Elements | 2★ | 1 |
| Coating | Super Spectra Coating (SSC) | BBAR (Broad-Band Anti-Reflection) Coating |
| Aperture | ||
| Max Aperture | f/22 | f/22 |
| Min Aperture | f/2.8 | 4.5-6.3 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 9★ | 7 |
| Build | ||
| Mount | Canon RF | Nikon Z |
| Format | full-frame | full-frame |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.49 kg★ | 0.54 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 | 239 mm★ | 800 mm |
| Max Magnification | 1:4.2★ | — |
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 (91st percentile)91st %ile
- Strong optical (86th percentile)86th %ile
- Below average aperture (22nd percentile)
- Below average bokeh (24th percentile)
Tamron Di III 70-300mm f/4.5-6.3 Di III RXD
- Strong versatility (91st percentile)91st %ile
- Strong af (85th percentile)85th %ile
- Strong stabilization (80th percentile)80th %ile
- Strong optical (71st percentile)
- Below average bokeh (14th percentile)14th %ile
- Below average aperture (22nd percentile)
- Below average user sentiment (30th percentile)
Pricing
Tamron Di III 70-300mm f/4.5-6.3 Di III RXD offers 1.4x better value for money
Verdict
Scores 86 overall, wins 8 of 9 usage categories and 9 of 22 specs.
