Canon RF 28-70mm f/2.8 IS STM
Canon
89 Overall Score
vs
Sigma Contemporary 100-400mm f/5-6.3 DG DN OS
Sigma
72 Overall Score
Scores
Macro
Landscape
Video Cinema
Professional
Travel
Budget
Wildlife Sports
Portrait
Street
Specifications
| Canon RF 28-70mm f/2.8 IS STM | Sigma Contemporary 100-400mm f/5-6.3 DG DN OS | |
|---|---|---|
| Optics | ||
| Type | zoom | telephoto-zoom |
| Focal Length Min | 28 mm | 100 mm |
| Focal Length Max | 70 mm | 400 mm |
| Elements | 15 | 22 |
| Groups | 12 | 16 |
| Aspherical Elements | 2★ | 0 |
| ED Elements | 2 | 5★ |
| Coating | Super Spectra Coating (SSC) | Super Multi-Layer Coating |
| Aperture | ||
| Max Aperture | f/22 | f/5 |
| Min Aperture | f/2.8 | 5-6.3 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 9 | 9 |
| Build | ||
| Mount | Canon RF | Sony E-Mount (Full-Frame), Sony E-Mount (Full-Frame), Sony E-Mou |
| Format | full-frame | full-frame |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.49 kg★ | 2.22 kg |
| Filter Thread | 67 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | STM★ | stepping motor |
| Stabilization | ✓ | ✓ |
| Stabilization Stops | 5.5 stops★ | 4 stops |
| Focus | ||
| Min Focus Distance | 239 mm★ | 1.10 m |
| Max Magnification | 1:4.2 | 1:4.2 |
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 100-400mm f/5-6.3 DG DN OS
- Strong optical (98th percentile)98th %ile
- Strong stabilization (93rd percentile)93rd %ile
- Strong versatility (88th percentile)88th %ile
- Strong af (87th percentile)87th %ile
- Below average build (13th percentile)13th %ile
- Below average social proof (29th percentile)
Verdict
Winner: Canon RF 28-70mm f/2.8 IS STM
Scores 89 overall, wins 6 of 9 usage categories and 5 of 22 specs.