The Olympus OM-D E-M1 Mark III is 2.1 mm wider, 0.5 mm taller, 22.8 mm thinner and 32 g lighter than the Canon EOS R7.
| Canon EOS R7 | Olympus OM-D E-M1 Mark III | |
|---|---|---|
| Size (W × H × D) | 132 × 90.4 × 91.7 mm | 134.1 × 90.9 × 68.9 mm |
| Weight | 612 g | 580 g |
| Lens | Canon RF | Micro Four Thirds |
| Sensor | — | Four Thirds |
| Announced | 2022 | 2020 |