Canon RF28-70mm F2.8 IS STM 28-70mm
Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD
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 18-300mm f/3.5-6.3 Di III-A VC VXD
The Tamron 18-300mm F/3.5-6.3 Di III-A VC VXD is widely praised as a versatile all-in-one zoom for Sony APS-C cameras. Users love the incredible 16.6x range, close focusing at the wide end, and solid image quality, though some note softness beyond 70-80mm and slow autofocus. The lens is heavier than typical crop-sensor lenses but still considered portable. A few verified buyers report issues with sharpness at the telephoto end and a stiff zoom ring, but the majority find it an excellent walk-around lens that replaces multiple primes and zooms.
Pros
- Incredible 16.6x zoom range
- Close focusing at wide end (semi-macro)
- Good image quality and color rendition
- Solid build with weather sealing
- Effective vibration compensation (VC)
Cons
- Softness beyond 70-80mm
- Slow autofocus compared to smaller zooms
- Heavy and bulky for APS-C
- Stiff zoom ring when zooming out
- Moderate distortion at both ends
Scores
Specifications
| Canon RF28-70mm F2.8 IS STM 28-70mm | Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 28 mm | 18 mm |
| Focal Length Max | 70 mm | 300 mm |
| Elements | 15 | 19 |
| Groups | 12 | 5 |
| Aspherical Elements | 2 | 3★ |
| ED Elements | 2 | 4★ |
| Coating | Super Spectra Coating (SSC) | Fluorine Coating |
| Aperture | ||
| Max Aperture | f/22 | f/3.5 |
| Min Aperture | f/2.8 | 3.5-6.3 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 9★ | 7 |
| Build | ||
| Mount | Canon RF | Sony E |
| Format | full-frame★ | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.49 kg★ | 0.62 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 | 150 mm★ |
| Max Magnification | 1:4.2 | 1:2 |
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 (90th percentile)90th %ile
- Strong optical (86th percentile)86th %ile
- Below average aperture (22nd percentile)
- Below average bokeh (25th percentile)
Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD
- Strong versatility (99th percentile)99th %ile
- Strong af (98th percentile)98th %ile
- Strong optical (95th percentile)95th %ile
- Strong macro (89th percentile)89th %ile
Pricing
Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD offers 2.3x better value for money
Verdict
Scores 100 overall, wins 9 of 9 usage categories and 4 of 22 specs.
