Compare OM System OM-1 Mark II vs OM System OM-3
In this technical comparison between the OM System OM-1 Mark II and the OM System OM-3, we analyze the key features to help you choose.
Choosing between these two Cameras models often comes down to your budget, with prices around $2,399 / £2,199 and $1,999.99 USD.
| Specifications |
OM System OM-1 Mark II |
OM System OM-3 |
|---|---|---|
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| Launch | ||
| Release Version | January 2024 | February 2025 |
| Body | ||
| Body Dimensions | 134.8 x 91.6 x 72.7 mm | 139.3× 88.9× 45.8 mm |
| Weight | Approx. 599g (with battery and card); 511g (body only) | Weight: 496g (including battery and SD card) |
| Mount | Micro Four Thirds | Micro Four Thirds (MFT) |
| Weather Sealing | IP53 rated (Superior protection against dust and splashes); Freezeproof to -10°C | IP53-rated (Dustproof, Splashproof, and Freezeproof to -10°C) |
| Sensor | ||
| Sensor Technology | Stacked BSI Live MOS | Stacked BSI Live MOS |
| Size | Four Thirds (17.4 x 13.0 mm) | 17.3× 13.0 mm (Four Thirds) |
| Image Resolution | 20.4 Megapixels | 20.4 Megapixels (Effective) |
| ISO Sensitivity | 200–25,600 (Extended: 80–102,400) | 200 – 25,600 (Expandable to 80–102,400) |
| Image Stabilization | 5-axis In-body (IBIS) up to 8.5 stops (World-leading compensation) | 5-Axis In-Body Image Stabilization (IBIS); 6.5 stops (Body) / 7.5 stops (Sync IS with compatible lenses) |
| Display & Viewfinder | ||
| Rear screen | 3.0-inch Fully Articulated Touch LCD; 1.62M dots | 3.0-inch Vari-angle Touchscreen LCD (1.62M dots) |
| Viewfinder | 5.76M-dot OLED EVF; 0.83x magnification; 120fps refresh; blackout-free | OLED Electronic Viewfinder (2.36M dots), 1.37x magnification (equivalent to 0.69x in 35mm) |
| Autofocus | ||
| AF Points | 1,053 points (All Cross-type) | 1,053 points (All Cross-type) |
| Autofocus System | Cross Quad Pixel Phase Detection AF | Phase Detection (Cross Quad Pixel AF) and Contrast Detection |
| AI Subject Recognition | Yes (Human, Animal, Bird, Car, Train, Airplane, and Motorcycle detection; significantly improved over the Mark I) | AI Detection AF (Humans, Animals, Birds, Vehicles) |
| Photo | ||
| Continuous shooting | 10 fps (Mechanical); up to 120 fps (Electronic S-AF); 50 fps (Electronic C-AF) | Up to 120 fps (S-AF), 50 fps (C-AF with Tracking), and 6 fps (Mechanical Shutter) |
| Formats | RAW (now supports 14-bit in High-Res modes), JPEG --- Computational Modes: Live GND (Graduated ND), Live ND (up to ND128), 80MP Tripod High-Res, 50MP Handheld High-Res | RAW (12-bit), JPEG, and High-Res Shot (50MP Handheld / 80MP Tripod) |
| Video | ||
| Video Performance | 4K (DCI/UHD) up to 60p; Full HD up to 240p | C4K / 4K UHD at up to 60p; Full HD at up to 240p (High-Speed) |
| Bit-depth | 10-bit internal (H.265); 12-bit RAW output via HDMI | 8-bit (H.264) or 10-bit (H.265 / HEVC); supports OM-Log and HLG |
| Audio Connectivity | 3.5mm Mic jack / 3.5mm Headphone jack | 3.5 mm Stereo Mini Jacks for both |
| HDMI output | Micro-HDMI (Type D) | Micro-HDMI (Type-D); 4:2:2 10-bit output supported |
| Storage | ||
| Card slots | Dual slots | 1 slot |
| Sensor Technology | Both slots are SD/SDHC/SDXC (UHS-II) | SD / SDHC / SDXC (UHS-II supported) |
| Connectivity | ||
| Wi-Fi | Yes | Built-in (2.4 / 5 GHz) |
| Bluetooth | Yes | Built-in (v4.2 Low Energy) |
| USB / HDMI | USB-C (Supports Power Delivery and UVC/UAC webcam mode natively) | USB-C (USB 3.0) / Micro-HDMI (Type-D) |
| Battery | ||
| Model | BLX-1 | BLX-1 Lithium-ion |
| Battery Life | Approx. 500 shots (Normal) / 1,010 shots (Quick Sleep Mode) | Approx. 590 shots (Standard Mode) |
| USB charging | Yes (USB-PD supported) | Supported (USB-PD Power Delivery supported) |
| Misc | ||
| Inside the box | Camera body, BLX-1 battery, USB-AC adapter (F-7AC), USB cable, Shoulder strap, Cable clip | OM-3 Body, BLX-1 Battery, CB-USB13 Cable, Shoulder Strap, Instruction Manual |
| Price | $2,399 / £2,199 | $1,999.99 USD |
| Full Details | OM-1 Mark II - Full Specifications | OM-3 - Full Specifications |