Canon RF 28-70mm f/2.8 IS STM
Sigma Sports 730956 60-600mm
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
Sigma Sports 730956 60-600mm
The Sigma 300–600mm f/4 DG OS Sports lens receives overwhelmingly positive feedback for its exceptional sharpness, fast autofocus, and versatility as a zoom that rivals prime lenses. Users praise its image quality and value compared to expensive primes, though some note the heavy weight and a 15 fps limitation on Sony cameras. A few reviewers experienced initial shipping delays or a zoom lock-up issue, but the latter was quickly resolved under warranty.
Pros
- Exceptional sharpness wide open
- Fast and accurate autofocus
- Versatile zoom range replacing multiple primes
- Excellent value for money
- Smooth and creamy bokeh
Cons
- Heavy weight
- 15 fps limitation on Sony cameras
- No teleconverter support
- Initial zoom lock-up issue on some units
- Shipping delays for preorders
Scores
Specifications
| Canon RF 28-70mm f/2.8 IS STM | Sigma Sports 730956 60-600mm | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 28 mm | 60 mm |
| Focal Length Max | 70 mm | 600 mm |
| Elements | 14 | 25 |
| Groups | 11 | 19 |
| Aspherical Elements | 2★ | 0 |
| ED Elements | 2 | 4★ |
| Coating | Super Spectra Coating (SSC) | Super Multi-Layer Coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/32 |
| Min Aperture | f/2.8 | 4.5-6.3 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | — | 9★ |
| Build | ||
| Mount | Canon RF | Sigma SA |
| Format | full-frame | full-frame |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.49 kg★ | 2.70 kg |
| Filter Thread | 67 mm | 105 mm |
| AF & Stabilization | ||
| AF Type | STM★ | Autofocus |
| Stabilization | ✓ | ✓ |
| Stabilization Stops | 5.5 stops | 5.5 stops |
| Focus | ||
| Min Focus Distance | 270 mm★ | 600 mm |
| Max Magnification | 0.24x | 1:3.33★ |
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
Sigma Sports 730956 60-600mm
- Strong optical (99th percentile)99th %ile
- Strong stabilization (98th percentile)98th %ile
- Strong versatility (97th percentile)97th %ile
- Strong user sentiment (66th percentile)
- Below average aperture (5th percentile)5th %ile
- Below average build (8th percentile)8th %ile
- Below average bokeh (8th percentile)8th %ile
- Below average social proof (31st percentile)
Pricing
Canon RF 28-70mm f/2.8 IS STM
No current pricing available
Sigma Sports 730956 60-600mm
Verdict
Scores 88 overall, wins 9 of 9 usage categories and 5 of 22 specs.