Canon RF 28-70mm f/2.8 IS STM
Canon
89 Overall Score
vs
Sigma Art 50mm f/1.4 DG HSM 50mm
Sigma
65 Overall Score
Scores
Macro
Landscape
Video Cinema
Professional
Travel
Budget
Wildlife Sports
Street
Portrait
Specifications
| Canon RF 28-70mm f/2.8 IS STM | Sigma Art 50mm f/1.4 DG HSM 50mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 28 mm | 50 mm |
| Focal Length Max | 70 mm | 50 mm |
| Elements | 15 | 14 |
| Groups | 12 | 11 |
| Aspherical Elements | 2★ | 1 |
| ED Elements | 2 | 3★ |
| Coating | Super Spectra Coating (SSC) | Super Multi-Layer Coating |
| Aperture | ||
| Max Aperture | f/22 | f/16 |
| Min Aperture | f/2.8 | f/1.4 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 9 | 9 |
| Build | ||
| Mount | Canon RF | Nikon F |
| Format | full-frame | full-frame |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.49 kg★ | 0.81 kg |
| Filter Thread | 67 mm | 77 mm |
| AF & Stabilization | ||
| AF Type | STM★ | HSM |
| Stabilization | ✓★ | ✗ |
| Stabilization Stops | 5.5 stops★ | — |
| Focus | ||
| Min Focus Distance | 239 mm★ | 450 mm |
| Max Magnification | 1:4.2 | 1:6.8 |
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 Art 50mm f/1.4 DG HSM 50mm
- Strong social proof (89th percentile)89th %ile
- Strong optical (83rd percentile)83rd %ile
- Strong user sentiment (81st percentile)81st %ile
- Below average versatility (33rd percentile)
Pricing
Canon RF 28-70mm f/2.8 IS STM0.081score per dollar
vs
Sigma Art 50mm f/1.4 DG HSM 50mm0.109score per dollar
Sigma Art 50mm f/1.4 DG HSM 50mm offers 1.3x better value for money
Verdict
Winner: Canon RF 28-70mm f/2.8 IS STM
Scores 89 overall, wins 8 of 9 usage categories and 6 of 22 specs.
