The Olympus OM-D E-M5 Mark III is 18.2 mm narrower, 30.3 mm shorter, 26.3 mm thinner and 426 g lighter than the Nikon D780.
| Nikon D780 | Olympus OM-D E-M5 Mark III | |
|---|---|---|
| Size (W × H × D) | 143.5 × 115.5 × 76 mm | 125.3 × 85.2 × 49.7 mm |
| Weight | 840 g | 414 g |
| Lens | Nikon F | Micro Four Thirds |
| Sensor | — | Four Thirds |
| Announced | 2020 | 2019 |