Olympus OM-D E-M5 Mark III Mirrorless Camera
The Olympus E-M5 Mark III is a 20MP Micro Four Thirds mirrorless camera — with 4K video and in-body stabilization. Check GearFocus for current availability, with buyer protection on every purchase.

Olympus OM-D E-M5 Mark III Mirrorless Camera
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Camera Overview — Olympus E-M5 Mark III
Key Features — Olympus E-M5 Mark III
20MP MFT Sensor: The Micro Four Thirds sensor pairs with the TruePic VIII processor for reliable image quality and a 2.0x crop factor that extends effective reach of compatible lenses.
5-Axis In-Body Stabilization: Sensor-shift IBIS compensates for camera shake across five axes, with additional digital IS available for video recording.
121-Point Hybrid AF: Combines phase and contrast detection across 121 focus points, with Eye Detection AF and Face Detection AF for tracking moving subjects.
30fps Burst Shooting: Continuous shooting at up to 30 frames per second makes it practical for capturing fast-moving wildlife and sports subjects.
4K Video Recording: Records 4K footage at up to 30fps in 8-bit color; high frame rate options are available at lower resolutions.
Weather-Sealed Magnesium Alloy Body: Dust and splash-resistant construction in a 414g magnesium alloy shell offers durability without significant added bulk.
Camera Specifications — Olympus E-M5 Mark III
| Spec | Detail |
|---|---|
| Use Cases | Travel |
| Type | Mirrorless |
| Sensor | Micro Four Thirds (MFT) |
| Resolution | 20MP |
| Processor | TruePic VIII |
| ISO Range | 200 – 25600 |
| AF System | Phase Detection, Contrast Detection, Hybrid (Phase + Contrast), Eye Detection AF, Face Detection AF |
| AF Points | 121 points |
| Max Photo Resolution | 5184x3888 |
| Burst Rate | 30 fps |
| Max Video Resolution | 4K |
| Max Frame Rate | 30fps |
Description — Olympus E-M5 Mark III
The Olympus OM-D E-M5 Mark III is a Micro Four Thirds mirrorless camera powered by a 20MP sensor and the TruePic VIII image processor. Its weather-sealed magnesium alloy body measures 125.3 x 85.2 x 49.7 mm and weighs 414g, making it a genuinely portable option without sacrificing build quality. The 5-axis in-body image stabilization, supplemented by digital IS, helps manage camera movement across a wide range of shooting scenarios.
Stills photographers will appreciate the 30fps burst mode and a hybrid AF system spanning 121 focus points with Eye Detection AF, Face Detection AF, and subject tracking. The ISO 200–25600 range covers a broad spectrum of lighting conditions. On the video side, 4K recording is available across six frame rates — 24fps, 25fps, 30fps, 50fps, 60fps, and 120fps — in 8-bit.
A 3.0-inch vari-angle LCD with 1.04 million dots and a 2.36 million dot OLED EVF at 60Hz cover both eye-level and live-view shooting. A 3.5mm microphone jack, Wi-Fi, Bluetooth, and Micro HDMI output round out a well-connected package. The BLS-50 battery provides approximately 310 shots per charge.
Pros — Olympus E-M5 Mark III
- ✓Weather-sealed magnesium alloy body at just 414g offers durability without significant bulk
- ✓5-axis in-body image stabilization with additional digital IS support
- ✓Hybrid AF system with 121 focus points, Eye Detection AF, and Face Detection AF for flexible subject tracking
Cons — Olympus E-M5 Mark III
- ✗Video is limited to 8-bit color depth, which restricts post-processing flexibility
- ✗No headphone jack, limiting professional audio monitoring during video recording
- ✗USB-C is not supported; connectivity relies on a standard USB port
Reviews — Olympus E-M5 Mark III
- Compact and feature-packed: Our Olympus OM-D E-M5 Mark III review
DPReview - Olympus OM-D E-M5 Mark III review
Digital Camera World - Olympus OM-D E-M5 Mark III Review
ePHOTOzine - Olympus E-M5 III Review - Conclusion
Imaging Resource - Olympus OMD EM5 III review: IN-DEPTH field test
Gordon Laing - Olympus OM-D E-M5 Mark III Review
Robin Wong
Videos — Olympus E-M5 Mark III
DPReview TV: Olympus OM-D E-M5 III - worth the wait? — DPReview TV
Frequently Asked Questions — Olympus E-M5 Mark III
Is the Olympus OM-D E-M5 Mark III weather sealed?+
Yes, the body design is rated as Weather Sealed according to the specifications. The body is constructed from magnesium alloy, adding structural rigidity alongside environmental protection.
What autofocus features does the E-M5 Mark III offer?+
The camera uses a hybrid autofocus system combining phase detection and contrast detection across 121 focus points. It also includes Eye Detection AF, Face Detection AF, and subject tracking for a comprehensive focusing experience.
What video resolutions and frame rates are available?+
The E-M5 Mark III records up to 4K video. Available frame rates include 24fps, 25fps, 30fps, 50fps, 60fps, and 120fps. All video is captured in 8-bit color depth.
Can I connect an external microphone to the E-M5 Mark III?+
Yes, the camera includes a 3.5mm microphone jack for connecting an external microphone. However, there is no headphone jack for audio monitoring during recording.
What is the native ISO range of the E-M5 Mark III?+
The camera's ISO range runs from a minimum of 200 to a maximum of 25600 as listed in the specifications.
Does the E-M5 Mark III support wireless connectivity?+
Yes, the camera includes both Wi-Fi and Bluetooth connectivity. It also features Micro HDMI output and a standard USB port, though USB-C is not supported.