The Olympus OM-D E-M10 Mark III is 15 mm narrower, 26.4 mm shorter, 36 mm thinner and 600 g lighter than the Pentax K-1 Mark II.
| Pentax K-1 Mark II | Olympus OM-D E-M10 Mark III | |
|---|---|---|
| Size (W × H × D) | 136.5 × 110 × 85.5 mm | 121.5 × 83.6 × 49.5 mm |
| Weight | 1,010 g | 410 g |
| Lens | Pentax K | Micro Four Thirds |
| Sensor | — | Four Thirds |
| Announced | 2018 | 2017 |