The Sigma fp is 31.8 mm narrower, 76.9 mm shorter, 30.1 mm thinner and 575 g lighter than the Olympus OM-D E-M1X.
| Olympus OM-D E-M1X | Sigma fp | |
|---|---|---|
| Size (W × H × D) | 144.4 × 146.8 × 75.4 mm | 112.6 × 69.9 × 45.3 mm |
| Weight | 997 g | 422 g |
| Lens | Micro Four Thirds | L-Mount |
| Sensor | Four Thirds | — |
| Announced | 2019 | 2019 |