OM SYSTEM OM-1 Body
The Olympus OM-1 is a 20.4MP Micro Four Thirds mirrorless camera — with 4K video and in-body stabilization. Used copies start from $894.03 on GearFocus, with buyer protection on every purchase.
OM SYSTEM OM-1 Body
Used Olympus OM-1 Listings on GearFocus
Camera Overview — Olympus OM-1
Key Features — Olympus OM-1
20.4MP MFT Sensor: Micro Four Thirds stacked BSI sensor with a 2x crop factor pairs effectively with the extensive M.Zuiko lens lineup for wildlife and sports reach.
TruePic X Processor: OM System's flagship image processor enables fast burst shooting, subject recognition, and computational photography features.
Hybrid Phase/Contrast AF: 1053-point hybrid autofocus system with Eye Detection, Face Detection, and subject tracking keeps moving subjects reliably locked in frame.
50fps Burst Shooting: Continuous shooting at up to 50fps in Pro Capture mode; up to 20fps with continuous AF for capturing fast-moving action and wildlife subjects.
5-Axis In-Body Stabilization: Sensor-shift IBIS rated at up to 8 EV of compensation, benefiting both handheld stills and video shooting.
4K/60fps 10-Bit Video: Records 4K video at up to 60fps in 10-bit color depth with OM-Log400 and Flat profiles for flexible post-production grading.
Camera Specifications — Olympus OM-1
| Spec | Detail |
|---|---|
| Use Cases | Portrait, Landscape, Travel, Studio, Video / Cinematography |
| Type | Mirrorless |
| Sensor | Micro Four Thirds (MFT) |
| Resolution | 20.4MP |
| Processor | TruePic X |
| ISO Range | 200 – 25600 |
| AF System | Hybrid (Phase + Contrast), Eye Detection AF, Face Detection AF |
| AF Points | 1053 |
| Max Photo Resolution | 5184x3888 |
| Burst Rate | 50 fps |
| Max Video Resolution | 4K |
| Max Frame Rate | 60fps |
Description — Olympus OM-1
The OM SYSTEM OM-1 is a Micro Four Thirds mirrorless camera centered on a 22.9MP sensor driven by the TruePic X image processor, with an ISO range spanning 200 to 25600. Its hybrid autofocus system draws on both phase and contrast detection across 121 focus points, supported by Eye Detection AF, Face Detection AF, and subject tracking. Stills shooters can take advantage of 20fps continuous burst shooting, while the maximum photo resolution reaches 5184x3888 pixels.
Video capabilities include 4K recording at up to 60fps in 10-bit color depth, with OM-Log400 and Flat color profiles available for grading. The in-body 5-axis image stabilization system supports both photo and video capture. The 5.76M-dot electronic viewfinder runs at a 120fps refresh rate, complemented by a 3.0-inch 1.04M-dot LCD.
The magnesium alloy body is weather sealed, weighs 599g, and measures 134 x 91 x 69mm. Connectivity covers Wi-Fi, Bluetooth, USB-C, Micro HDMI, and 3.5mm headphone and microphone jacks. The BLX-1 battery delivers 520 shots per charge.
Pros — Olympus OM-1
- ✓High-resolution 5.76M-dot electronic viewfinder with 120fps refresh rate for smooth, detailed framing
- ✓10-bit video recording with OM-Log400 and Flat color profiles supports serious post-production workflows
- ✓4K video at up to 60fps with 24fps, 30fps, and 60fps frame rate options offers strong versatility
Cons — Olympus OM-1
- ✗ISO range tops out at 25600, which may limit flexibility in extreme low-light situations compared to cameras with extended ISO settings
- ✗Micro Four Thirds mount limits lens selection to the MFT ecosystem without an adapter
- ✗3.0-inch LCD at 1.04M dots is relatively modest in resolution compared to higher-end display panels
Videos — Olympus OM-1
OM System OM-1 Final Review — DPReview TV
Frequently Asked Questions — Olympus OM-1
What autofocus features does the OM-1 offer?+
The OM-1 uses a hybrid autofocus system combining phase-detection and contrast-detection across 121 focus points. It includes Eye Detection AF, Face Detection AF, and subject tracking, with eye tracking enabled for precise subject lock-on.
What video specifications does the OM-1 support?+
The OM-1 records 4K video at up to 60fps, with available frame rates of 24fps, 30fps, and 60fps. Video is recorded in 10-bit color depth, and the camera supports OM-Log400 and Flat color profiles for post-production flexibility.
Is the OM-1 body weather sealed?+
Yes, the OM-1 body is weather sealed according to the specifications. The body is constructed from magnesium alloy and weighs 599g with dimensions of 134 x 91 x 69mm.
What connectivity options does the OM-1 have?+
The OM-1 includes Wi-Fi, Bluetooth, USB-C, USB, Micro HDMI output, a 3.5mm headphone jack, and a 3.5mm microphone jack. The hotshoe uses the Olympus Standard TTL system.
What lens mount does the OM-1 use?+
The OM-1 uses the Micro Four Thirds lens mount, which is compatible with Micro Four Thirds lenses. The camera's sensor is a Micro Four Thirds type with a 2.0x crop factor.
What memory card types does the OM-1 accept?+
The OM-1 accepts SDXC and SDHC memory cards. No additional card format support is listed in the specifications.











