OM System OM-1 vs OM System OM-3
Compare key differences and full specifications to find the camera that suits your photography.
Key differences
- Year: OM System OM-1: 2022 ; OM System OM-3: 2025
- Weight: OM System OM-1: 599 g ; OM System OM-3: 496 g
- Max. video mode: OM System OM-1: C4K 60p (4096 x 2160) ; OM System OM-3: 4096x2160 (60p/50p/30p/25p/24p)
Best for
The available specifications do not establish a clear advantage for a particular use. Choose based on the features you need below.
| Specification | OM System OM-1 | OM System OM-3 |
|---|---|---|
| General | ||
| Brand | OM System | OM System |
| Model | OM-1 | OM-3 |
| Year | 2022 | 2025 |
| Body | ||
| Dimensions | 134.8 x 91.6 x 72.7 mm | 139.3 x 88.9 x 45.8 mm |
| Weight | 599 g | 496 g |
| Weather sealing | IP53 dust and splash resistant | — |
| Sensor | ||
| Sensor type | CMOS | CMOS |
| Sensor size | Four Thirds (17.3 x 13 mm) | Four Thirds (17.3 x 13 mm) |
| Sensor resolution | 5208 x 3916 | 5208 x 3916 |
| Crop factor | 2.0 | 2 |
| Total megapixels | 22.9 | 22.90 |
| Effective megapixels | 20.4 | 20.40 |
| Image | ||
| Max. image resolution | 5184 x 3888 | 5184 x 3888 |
| ISO | Auto, 80-25600 (expandable to 102400) | Auto, 200-102400 (extends down to 80) |
| Exposure & Shutter | ||
| Min. shutter speed | 60 sec | 60 sec |
| Max. shutter speed | 1/32000 sec | 1/8000 sec |
| Metering | Multi, Center-weighted, Highlight, Spot | Multi, Center-weighted, Spot |
| Exposure compensation | ±5 EV (in 1/3 EV, 1/2 EV, 1 EV steps) | ±5 EV (in 1/3 EV, 1/2 EV, 1 EV steps) |
| Aperture priority | Yes | Yes |
| Shutter priority | Yes | Yes |
| White balance presets | 6.0 | 7 |
| Autofocus & Drive | ||
| Autofocus type | Phase detection + contrast detection | — |
| AF phase-detection points | 1,053 (all cross-type) | — |
| Max burst (electronic shutter) | 120 fps (focus fixed), 50 fps (C-AF) | — |
| Max burst (mechanical shutter) | 10 fps | — |
| Stabilization | ||
| In-body stabilization (IBIS) | Yes, 5-axis sensor shift | — |
| Rated stops | 7 stops (8 stops with Sync IS) | — |
| Video | ||
| Max. video mode | C4K 60p (4096 x 2160) | 4096x2160 (60p/50p/30p/25p/24p) |
| Display & Viewfinder | ||
| Screen size | 3" | 3" |
| Screen resolution | 1,620,000 dots | 1,620,000 dots |
| Viewfinder | Electronic | Electronic |
| Storage & Connectivity | ||
| Storage types | SD/SDHC/SDXC, UHS-I/II | SD/SDHC/SDXC (UHS-II) |
| USB | USB 3.0 (5 GBit/sec) | USB 3.0 (5 GBit/sec) |
| Power | ||
| Battery | BLX-1 Lithium-ion battery | BLX-1 Lithium-Ion battery |
| CIPA rated shots | 520 shots | — |
| Lens & Focus | ||
| Digital zoom | Yes | Yes |