OM System OM-1
Basics
| Brand | OM System |
|---|---|
| Released (Japan) ? | Mar 2022 |
| Mount | Micro Four Thirds |
Sensor
| Sensor size | Four Thirds |
|---|---|
| Effective megapixels | 20.4 MP |
| Sensor type | Stacked Spec sheet says "back-illuminated stacked Live MOS sensor" |
| ISO (min) | ISO 200 The manual range is 200 to 102400. LOW (approx. ISO 80 and 100 equivalent) is not included |
| ISO (max) | ISO 102400 |
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 | 10 fps |
|---|---|
| Burst, electronic (AF tracking) ? | 50 fps Silent sequential SH2 approx. 50 fps (the spec sheet does not say AF/AE is locked; SH1 is locked) |
| Burst, electronic (max) ? | 120 fps Silent sequential SH1. Focus and exposure locked at the first frame |
| Pre-capture ? | Yes Pro Capture |
AF & stabilization
| Subject detection | Animals, Birds, Vehicles Subject detection AF covers cars, motorcycles, airplanes, helicopters, trains, steam locomotives, birds and animals (dogs, cats). People are not included |
|---|---|
| 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 | 5.76M dots |
| Viewfinder magnification ? | 0.74x Spec sheet gives approx. 1.48 to 1.65x (50mm lens). Halved for Four Thirds to get the 35mm-equivalent value |
| Monitor size | 3.0 in |
| Monitor resolution | 1.62M 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) |
|---|---|
| 4K max frame rate | 60p |
| 4K max frame rate (no crop) ? | Not stated |
| Full HD max frame rate | 60p Normal recording. High-speed recording goes to 240 fps |
| 10-bit recording | Not stated Supports OM-Log, but the internal bit depth is not stated |
| Internal RAW video | No |
| Recording time limit ? | Not stated |
Body
| Weight, body only | 511 g |
|---|---|
| Weight, with battery ? | 599 g |
| Dimensions (W×H×D) | 134.8 × 91.6 × 72.7 mm |
| Weather sealing | Yes IP53 (when combined with a weather-resistant lens) |
Storage, power & wireless
| Card slots | 2 |
|---|---|
| Card types | SD UHS-I, SD UHS-II |
| Battery life (CIPA) ? | 520 shots Standard. Approx. 1100 shots in quick sleep mode |
| USB power | Power while shooting |
| Wireless | Wi-Fi, Bluetooth |
Sources
- https://jp.omsystem.com/product/dslr/om-omd/om/om1/spec.html
- https://jp.omsystem.com/product/dslr/om-omd/om/om1/index.html
Checked November 15, 2026. Sources are the maker's official Japanese website. Not stated means the value is not given there.