Canon RF 28-70mm f/2.8 IS STM
Canon
88 Overall Score
vs
Sigma Art 17-40mm f/1.8 DC Art
Sigma
65 Overall Score
What Buyers Say
Canon RF 28-70mm f/2.8 IS STM
90 out of 100 medium confidence 13 reviews
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
Image quality 4
Autofocus performance 3
Weight and portability 6
Value for money 4
Versatility 2
Delivery experience 1
Sigma Art 17-40mm f/1.8 DC Art
No customer feedback yet
Scores
Professional
Video Cinema
Portrait
Travel
Street
Wildlife Sports
Landscape
Budget
Macro
Specifications
| Canon RF 28-70mm f/2.8 IS STM | Sigma Art 17-40mm f/1.8 DC Art | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 28 mm | 17 mm |
| Focal Length Max | 70 mm | 40 mm |
| Elements | 14 | 17 |
| Groups | 11 | 11 |
| Aspherical Elements | 2 | 4★ |
| ED Elements | 2 | 4★ |
| Coating | Super Spectra Coating (SSC) | Super Multi-Layer Coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/1.8 |
| Min Aperture | f/2.8 | f/1.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | — | 11★ |
| Build | ||
| Mount | Canon RF | L-Mount |
| Format | full-frame★ | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.49 kg★ | — |
| Filter Thread | 67 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | STM★ | HLA (High-response Linear Actuator) |
| Stabilization | ✓★ | ✗ |
| Stabilization Stops | 5.5 stops★ | — |
| Focus | ||
| Min Focus Distance | 270 mm★ | — |
| Max Magnification | 0.24x★ | — |
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 17-40mm f/1.8 DC Art
- Strong bokeh (97th percentile)97th %ile
- Strong optical (97th percentile)97th %ile
- Strong aperture (95th percentile)95th %ile
- Strong versatility (76th percentile)
- Below average macro (12th percentile)12th %ile
- Below average social proof (28th percentile)
- Below average stabilization (34th percentile)
Verdict
Winner: Canon RF 28-70mm f/2.8 IS STM
Scores 88 overall, wins 8 of 9 usage categories and 7 of 22 specs.