The Fujifilm X-T30 III is 20.9 mm narrower, 6.1 mm shorter, 1 mm deeper and 118 g lighter than the OM System OM-3.
| OM System OM-3 | Fujifilm X-T30 III | |
|---|---|---|
| Size (W × H × D) | 139.3 × 88.9 × 45.8 mm | 118.4 × 82.8 × 46.8 mm |
| Weight | 496 g | 378 g |
| Lens | Micro Four Thirds | Fujifilm X |
| Sensor | Four Thirds | — |
| Announced | 2025 | 2025 |