The Olympus OM-D E-M5 Mark III is 10.2 mm narrower, 18.8 mm shorter, 22.8 mm thinner and 306 g lighter than the Nikon D7500.
| Nikon D7500 | Olympus OM-D E-M5 Mark III | |
|---|---|---|
| Size (W × H × D) | 135.5 × 104 × 72.5 mm | 125.3 × 85.2 × 49.7 mm |
| Weight | 720 g | 414 g |
| Lens | Nikon F | Micro Four Thirds |
| Sensor | — | Four Thirds |
| Announced | 2017 | 2019 |