Canon RF 28-70mm f/2.8 IS STM
Sigma Art 270101 70mm
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 Art 270101 70mm
The Sigma 70mm f/2.8 Art macro lens receives overwhelmingly positive feedback for its exceptional sharpness, image quality, and value. Users praise its compact, lightweight design and versatility for macro, portrait, and product photography. While autofocus speed is a common criticism, especially at macro distances, most reviewers find it acceptable given the lens's price and optical performance. Some minor issues include focus hunting, lack of image stabilization, and a firmware bug affecting focus retention.
Pros
- Exceptional sharpness
- Great value for money
- Compact and lightweight
- Versatile for macro and portraits
- Beautiful bokeh
Cons
- Slow autofocus
- Focus hunting at macro distances
- No image stabilization
- Lens extends when focusing
- Firmware bug with focus retention
Scores
Specifications
| Canon RF 28-70mm f/2.8 IS STM | Sigma Art 270101 70mm | |
|---|---|---|
| Optics | ||
| Type | zoom | macro |
| Focal Length Min | 28 mm | 70 mm |
| Focal Length Max | 70 mm | 70 mm |
| Elements | 14 | 13 |
| Groups | 11 | 10 |
| Aspherical Elements | 2 | 2 |
| ED Elements | 2 | 3★ |
| Coating | Super Spectra Coating (SSC) | Super multi-layer lens coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/2.8 |
| Min Aperture | f/2.8 | f/2.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | — | 9★ |
| Build | ||
| Mount | Canon RF | L-Mount |
| Format | full-frame | full-frame |
| Weather Sealed | ✓★ | ✗ |
| Weight | 0.49 kg★ | 0.53 kg |
| Filter Thread | 67 mm | 49 mm |
| AF & Stabilization | ||
| AF Type | STM★ | Coreless DC motor |
| Stabilization | ✓★ | ✗ |
| Stabilization Stops | 5.5 stops★ | — |
| Focus | ||
| Min Focus Distance | 270 mm | 258 mm★ |
| Max Magnification | 0.24x | 1:1★ |
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 Art 270101 70mm
- Strong bokeh (91st percentile)91st %ile
- Strong aperture (88th percentile)88th %ile
- Strong optical (84th percentile)84th %ile
- Strong af (78th percentile)
- Below average versatility (33rd percentile)
- Below average stabilization (34th percentile)
Verdict
Scores 88 overall, wins 8 of 9 usage categories and 5 of 22 specs.