Canon RF 28-70mm f/2.8 IS STM
Sigma Sports 60-600mm f/4.5-6.3 DG DN OS
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 60-600mm f/4.5-6.3 DG DN OS
The Sigma 60-600mm f/4.5-6.3 DG DN OS Sports Lens is widely praised for its incredible 10x zoom range, sharpness, and fast autofocus, making it a versatile choice for wildlife, sports, and portrait photography. Users highlight its excellent image stabilization and macro capabilities, though many note the significant weight and bulk as a drawback, often requiring a monopod or tripod for extended use. Verified reviews confirm compatibility with adapters for Nikon Z cameras, and the lens works well with in-body stabilization on Sony and Lumix bodies. Overall, it delivers professional-grade performance at a relatively affordable price, but the weight and variable aperture are common concerns.
Pros
- Incredible 10x zoom range (60-600mm)
- Fast and accurate autofocus
- Excellent image stabilization
- Sharp image quality edge to edge
- Versatile for wildlife, sports, and portraits
Cons
- Heavy and bulky (5.5 lbs)
- Requires tripod or monopod for extended use
- Variable aperture (f/4.5-6.3) limits low-light performance
- Not parfocal, less ideal for video
- No native Nikon Z mount available
Scores
Specifications
| Canon RF 28-70mm f/2.8 IS STM | Sigma Sports 60-600mm f/4.5-6.3 DG DN OS | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 28 mm | 60 mm |
| Focal Length Max | 70 mm | 600 mm |
| Elements | 14 | 27 |
| Groups | 11 | 19 |
| Aspherical Elements | 2★ | — |
| ED Elements | 2 | 5★ |
| Coating | Super Spectra Coating (SSC) | SLD and FLD Glass Elements |
| Aperture | ||
| Max Aperture | f/2.8 | 22-32★ |
| Min Aperture | f/2.8 | 4.5-6.3 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | — | 9★ |
| Build | ||
| Mount | Canon RF | Sony E |
| Format | full-frame | full-frame |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.49 kg★ | 2.50 kg |
| Filter Thread | 67 mm | 105 mm |
| AF & Stabilization | ||
| AF Type | STM★ | HLA Linear Focusing Motor |
| Stabilization | ✓ | ✓ |
| Stabilization Stops | 5.5 stops | 7 stops★ |
| Focus | ||
| Min Focus Distance | 270 mm★ | 450 mm |
| Max Magnification | 0.24x | 1:2.4★ |
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 60-600mm f/4.5-6.3 DG DN OS
- Strong stabilization (100th percentile)100th %ile
- Strong optical (99th percentile)99th %ile
- Strong versatility (97th percentile)97th %ile
- Strong social proof (68th percentile)
- Below average build (9th percentile)9th %ile
- Below average aperture (22nd percentile)
- Below average bokeh (25th percentile)
Pricing
Canon RF 28-70mm f/2.8 IS STM offers 2.7x better value for money
Verdict
Scores 88 overall, wins 8 of 9 usage categories and 5 of 22 specs.
