OM System E-M1 Mark III
Basics
| Brand | OM System |
|---|---|
| Released (Japan) ? | Not stated The official release date could not be confirmed |
| Mount | Micro Four Thirds |
Sensor
| Sensor size | Four Thirds |
|---|---|
| Effective megapixels | 20.4 MP |
| Sensor type | Not stated |
| ISO (min) | ISO 200 The manual range is 200 to 25600. LOW is not included |
| ISO (max) | ISO 25600 |
Shutter
| Mechanical shutter (fastest) ? | 1/8000 s |
|---|---|
| Electronic shutter (fastest) | 1/32000 s |
| Slowest shutter speed | 60 s |
| Flash sync speed | 1/250 s |
Burst
| Burst, mechanical shutter | 15 fps Sequential H (using M.ZUIKO DIGITAL ED 12-40mm F2.8 PRO) |
|---|---|
| Burst, electronic (AF tracking) ? | 18 fps Silent sequential L approx. 18 fps |
| Burst, electronic (max) ? | 60 fps Silent sequential H approx. 60 fps |
| Pre-capture ? | Yes Pro Capture |
AF & stabilization
| Subject detection | Not stated |
|---|---|
| In-body stabilization | Yes |
| IBIS, body only ? | 7 stops Body only, using M.ZUIKO DIGITAL ED 12-40mm F2.8 PRO |
| IBIS, max (incl. lens) ? | 7 stops |
Viewfinder & monitor
| Viewfinder | Yes |
|---|---|
| Viewfinder resolution | 2.36M dots |
| Viewfinder magnification ? | 0.65x Spec sheet gives approx. 1.30 to 1.48x (50mm lens). Halved for Four Thirds to get the 35mm-equivalent value. LCD viewfinder |
| Monitor size | 3.0 in |
| Monitor resolution | 1.04M dots |
| Monitor articulation | Vari-angle Spec sheet says "2-axis movable LCD". The OM-3 and others with the same wording are described as "swivel type", so this is treated as vari-angle |
| Touchscreen | Yes |
Video
| Max video resolution ? | 4K (4096) C4K (4096×2160) at 24p |
|---|---|
| 4K max frame rate | 30p |
| 4K max frame rate (no crop) ? | Not stated |
| Full HD max frame rate | 60p |
| 10-bit recording | Not stated |
| Internal RAW video | Not stated |
| Recording time limit ? | Not stated |
Body
| Weight, body only | 504 g |
|---|---|
| Weight, with battery ? | 580 g |
| Dimensions (W×H×D) | 134.1 × 90.9 × 68.9 mm |
| Weather sealing | Yes Protection class 1 (IPX1, when combined with a weather-resistant lens) |
Storage, power & wireless
| Card slots | 2 |
|---|---|
| Card types | SD UHS-I, SD UHS-II Slot 2 supports up to UHS-I |
| Battery life (CIPA) ? | 420 shots Standard. Approx. 900 shots in quick sleep mode |
| USB power | Power while shooting |
| Wireless | Wi-Fi, Bluetooth |
Sources
- https://jp.omsystem.com/product/dslr/om-omd/omd/em1mk3/spec.html
- https://jp.omsystem.com/product/dslr/om-omd/omd/em1mk3/index.html
Checked November 15, 2026. Sources are the maker's official Japanese website. Not stated means the value is not given there.