Olympus OM-5 II vs OM System OM-3
Compare key differences and full specifications to find the camera that suits your photography.
Key differences
- Weight: Olympus OM-5 II: 418 g ; OM System OM-3: 496 g
- Max. video mode: Olympus OM-5 II: 4096x2160 (24p) ; OM System OM-3: 4096x2160 (60p/50p/30p/25p/24p)
- Battery: Olympus OM-5 II: BLS-50 Lithium-Ion battery ; OM System OM-3: BLX-1 Lithium-Ion battery
Best for
The available specifications do not establish a clear advantage for a particular use. Choose based on the features you need below.
| Specification | Olympus OM-5 II | OM System OM-3 |
|---|---|---|
| General | ||
| Brand | Olympus | OM System |
| Model | OM-5 II | OM-3 |
| Year | 2025 | 2025 |
| Body | ||
| Dimensions | 125.3 x 85.2 x 49.7 mm | 139.3 x 88.9 x 45.8 mm |
| Weight | 418 g | 496 g |
| 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 | 2 |
| Total megapixels | 21.80 | 22.90 |
| Effective megapixels | 20.40 | 20.40 |
| Image | ||
| Max. image resolution | 5184 x 3888 | 5184 x 3888 |
| ISO | Auto, 200-25600 (extends to 64-25600) | 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, 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 | 7 | 7 |
| Video | ||
| Max. video mode | 4096x2160 (24p) | 4096x2160 (60p/50p/30p/25p/24p) |
| Display & Viewfinder | ||
| Screen size | 3" | 3" |
| Screen resolution | 1,037,000 dots | 1,620,000 dots |
| Viewfinder | Electronic | Electronic |
| Storage & Connectivity | ||
| Storage types | SD/SDHC/SDXC (UHS-II) | SD/SDHC/SDXC (UHS-II) |
| USB | USB 2.0 (480 Mbit/sec) | USB 3.0 (5 GBit/sec) |
| Power | ||
| Battery | BLS-50 Lithium-Ion battery | BLX-1 Lithium-Ion battery |
| Lens & Focus | ||
| Digital zoom | — | Yes |