Canon RF 28-70mm f/2.8 IS STM
Canon
89 Overall Score
vs
Sigma Contemporary 90mm f/2.8 DG 90mm
Sigma
74 Overall Score
Scores
Street
Macro
Professional
Portrait
Landscape
Video Cinema
Travel
Wildlife Sports
Budget
Specifications
| Canon RF 28-70mm f/2.8 IS STM | Sigma Contemporary 90mm f/2.8 DG 90mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 28 mm | 90 mm |
| Focal Length Max | 70 mm | 90 mm |
| Elements | 15 | 11 |
| Groups | 12 | 10 |
| Aspherical Elements | 2★ | 1 |
| ED Elements | 2 | 5★ |
| Coating | Super Spectra Coating (SSC) | Super Multi-Layer Coating |
| Aperture | ||
| Max Aperture | f/22 | f/2.8 |
| Min Aperture | f/2.8 | f/2.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 9 | 9 |
| Build | ||
| Mount | Canon RF | L-Mount |
| Format | full-frame | full-frame |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.49 kg | 0.29 kg★ |
| Filter Thread | 67 mm | 55 mm |
| AF & Stabilization | ||
| AF Type | STM★ | stepping AF motor |
| Stabilization | ✓★ | ✗ |
| Stabilization Stops | 5.5 stops★ | — |
| Focus | ||
| Min Focus Distance | 239 mm★ | 500 mm |
| Max Magnification | 1:4.2 | 1:5 |
Pros & Cons
Canon RF 28-70mm f/2.8 IS STM
- Strong stabilization (99th percentile)99th %ile
- Strong user sentiment (98th percentile)98th %ile
- Strong social proof (89th percentile)89th %ile
- Strong af (87th percentile)87th %ile
- Below average aperture (21st percentile)
- Below average bokeh (24th percentile)
Sigma Contemporary 90mm f/2.8 DG 90mm
- Strong af (87th percentile)87th %ile
- Strong bokeh (87th percentile)87th %ile
- Strong build (86th percentile)86th %ile
- Strong aperture (85th percentile)85th %ile
- Below average versatility (33rd percentile)
Pricing
Canon RF 28-70mm f/2.8 IS STM0.081score per dollar
vs
Sigma Contemporary 90mm f/2.8 DG 90mm0.114score per dollar
Sigma Contemporary 90mm f/2.8 DG 90mm offers 1.4x better value for money
Verdict
Winner: Canon RF 28-70mm f/2.8 IS STM
Scores 89 overall, wins 5 of 9 usage categories and 5 of 22 specs.
