The Olympus OM-D E-M5 Mark III is 26.7 mm narrower, 31.2 mm shorter, 26.7 mm thinner and 536 g lighter than the Canon EOS 5D Mark III.
| Canon EOS 5D Mark III | Olympus OM-D E-M5 Mark III | |
|---|---|---|
| Size (W × H × D) | 152 × 116.4 × 76.4 mm | 125.3 × 85.2 × 49.7 mm |
| Weight | 950 g | 414 g |
| Lens | Canon EF | Micro Four Thirds |
| Sensor | Full frame | Four Thirds |
| Announced | 2012 | 2019 |