The Canon EOS R1 is 22.8 mm wider, 57.9 mm taller, 14.6 mm deeper and 516 g heavier than the Olympus OM-1.
| Olympus OM-1 | Canon EOS R1 | |
|---|---|---|
| Size (W × H × D) | 134.8 × 91.6 × 72.7 mm | 157.6 × 149.5 × 87.3 mm |
| Weight | 599 g | 1,115 g |
| Lens | Micro Four Thirds | Canon RF |
| Sensor | Four Thirds | — |
| Announced | 2022 | 2024 |