Introducing the OM-3 Astro
Experience creative freedom redefined under open skies. The OM SYSTEM OM-3 ASTRO is a dedicated astrophotography camera designed to push beyond daylight, capturing stars, galaxies, red nebulas, and nightscapes with confidence and precision. From glowing horizons to silent, remote dark skies, it lets you explore the universe and your creativity, wherever the night takes you.
Dedicated power for astrophotography
A dedicated astrophotography camera engineered to capture faint Hα light, from expansive starscapes to deep-sky detail.
Built to capture red nebulae
A dedicated IR cut filter tuned for Hα wavelengths, combined with powerful TruePic™ X processing, reveals vivid red nebulae and fine celestial detail, delivering stunning image quality from wide starscapes to deep-sky scenes.
Astro-tuned colour & custom modes
Preconfigured custom modes and dedicated color profiles make capturing the night sky effortless. From red nebulae to starry landscapes, optimized stacking, Starry Sky AF, and astro-tuned color deliver impressive results—beautifully rendered straight out of the camera.
Deep-sky detail, perfectly aligned
When Handheld High Res Shot is activated with the camera mounted on a tripod or equatorial mount, multiple exposures are combined into a 50MP image. Intelligent image alignment reduces noise and corrects star motion and tracking errors for crisp, high-resolution astrophotography.
IR-cut filter for capturing Hα rays
IP53-certified weather-sealing
-10 ºc freezeproof
Up to 7.5 stops 5-axis sync IS
Computational Photography button
Custom modes optimized for starry sky photography
4K video and vertical recording
Starry Sky AF and Live Composite
High Res Shot Mode
USB-C charging
20MP Stacked BSI Live MOS sensor
Full Specifications
| Certification Number | IM036 |
| Marketing Name | OM-3 |
| Firmware Support Period | 2028/2/29 |
| OM Workspace Support Period | 2028/2/29 |
| OI Share Support Period | 2028/2/29 |
| Processor | TruePic™ X |
| Effective Resolution | 20.4 MP (approx.) |
| AF System | Cross-type phase detection AF (1,053 points), Contrast AF (1,053 points) |
| Image Stabilisation | Built-in 5-axis, up to 7.5 EV steps |
| Construction | Magnesium / Aluminium |
| ISO Sensitivity | AUTO ISO: Customisable, LOW (approx. 80) - 102400 (Default: 200 - 25600) | Manual ISO: LOW (approx. 80, approx. 100), 200 - 102400 (adjustable in 1/3, 1/2 or 1 EV steps) |
| Sequential Shooting | SH1: 120fps, 100fps, 60fps, 30fps | Mechanical Shutter: 6fps C-AF & AE Tracking (RAW) | Electronic Shutter: 120fps S-AF (RAW) |
| Top Shutter Speed | Mechanical: 1/8000 sec | Electronic (Silent): 1/32000 sec |
| RAW Capture | Yes (12-bit lossless compression) |
| Video Recording | C4K: 60p, 50p, 30p, 25p, 24p | 4K: 60p, 50p, 30p, 25p, 24p | Full HD: 60p, 50p, 30p, 25p, 24p | High Speed Movie: 1920x1080 (FHD) / 240fps, 200fps, 120fps, 100fps |
| Video Quality | 4K, C4K, Full HD, High Speed Movie FHD |
| Flash | Compatible with all OM SYSTEM / Olympus Flashes |
| Viewfinder | Eye-level OLED electronic viewfinder, approx. 2.36M dots |
| Monitor | 3.0-inch vari-angle monitor (electrostatic capacitance touch panel), approx. 1620k dots (3:2) |
| WiFi | Yes |
| GPS | Yes (Smartphone connection) |
| Technology Innovation | AE Bracketing, Focus Bracketing, Handheld Hi-Res, HDR, Intelligent Subject Detection, Keystone Compensation, Live Composite, Live ND, Live Time, Multi Exposure, Silent, Tripod Hi-Res |
| Weatherproof | Dustproof, Freezeproof, Splashproof |
| Microphone | Built-in Stereo, φ3.5 stereo mini jack for external |
| USB Charging | Yes |
| USB PD Bus Power | Yes |
