OM SYSTEM OM-3 ASTRO Mirrorless Camera

SKU: OLY-V7921300U000-P4S
UPC: 050332195998

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Sale price$2,499.99
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Mack Accidental Damage (ADH) Protection Plan

Protect your new camera or lens from unexpected accidents. Mack’s ADH Plan covers drops, spills, impact damage, and mechanical or electrical failures after the manufacturer’s warranty ends. Pixel Connection handles the digital registration for you and will assist with any service needs, making the process simple and stress-free.

What’s Included:

  • Accidental damage protection (drops, spills, impact)
  • Mechanical & electrical failure coverage after manufacturer warranty
  • Parts and labor for all covered repairs
  • Professional service through Mack Worldwide Warranty
  • Pixel Connection support and mediation for any claims.

Eligibility:

  • Valid for new, non–gray market gear
  • Must be added at time of purchase or within the allowable window

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Usually ready in 24 hours

  • Optimized for Astrophotography
  • IR-Cut Filter Passes H-Alpha Wavelength
  • High Res Shot for In-Camera Stacking
  • Custom Modes for Astro/Starry Landscape
  • Starry Sky AF & Live Composite Mode

Quick Overview

  • Optimized for Astrophotography
  • IR-Cut Filter Passes H-Alpha Wavelength
  • High Res Shot for In-Camera Stacking
  • Custom Modes for Astro/Starry Landscape
  • Starry Sky AF & Live Composite Mode
  • 20MP Stacked BSI Live MOS MFT Sensor
  • 3.0" 1.62m-Dot Swivel Touchscreen LCD
  • 2.36m-Dot OLED Electronic Viewfinder
  • 5-Axis In-Body Image Stabilization
  • IP53 Weather-Sealed & Freezeproof Design

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Product Description

Designed for Astrophotography Excellence
Built specifically for night sky imaging, the OM SYSTEM OM-3 ASTRO is a dedicated Micro Four Thirds mirrorless camera fine-tuned for capturing red nebulae, constellations, and other celestial wonders with unmatched precision and clarity.


Capture Hydrogen-Alpha Wavelengths

At the heart of the OM-3 ASTRO is a specialized IR-cut filter positioned in front of the sensor, allowing 100% transmission of Hα (hydrogen-alpha) wavelengths. Combined with the TruePic X image processor, this adjustment ensures accurate color, detail, and shape reproduction of diffuse nebulae and other deep-sky objects.


Advanced Image Stacking and High-Resolution Mode

The High Res Shot Mode uses computational stacking to combine multiple sequential frames into a single ultra-detailed image. The Handheld High Res Shot Mode—recommended even when using a tripod or equatorial mount—composites 12 frames into a 50MP photo, minimizing noise and blur while maximizing fine detail.
This mode also compensates for diurnal star movement, misalignment, or minor tracking errors when shooting from a tripod or equatorial mount.


Astro-Tuned Custom Modes and Color Profiles

Predefined COLOR1 and COLOR2 settings simplify astrophotography setup:

  • COLOR1 – Optimized for nebula and deep-sky imaging.

  • COLOR2 – Tailored for starry landscape shots.

Custom modes (C1, C2, C3) are preset for specific astrophotography workflows:

  • C1: Frame stacking for deep-sky photos.

  • C2: Frame stacking for starry landscapes.

  • C3: Handheld shooting for starry landscapes.

Additional astrophotography-focused features include Starry Sky AF, Live Composite, digital level, Night View mode, and USB power delivery for long sessions.


Optional Astrophotography Filters

Enhance results further with optional body-mounted filters compatible with all lenses, including fisheye and ultra-wide options:

  • BMF-LPC01 Light Suppression Filter: Cuts stray artificial light for clearer night skies.

  • BMF-SE01 Soft Filter: Slightly diffuses star points to enhance their prominence in the frame.


Based on the Flagship OM-3 Design

The OM-3 ASTRO inherits its robust foundation from the OM-3, featuring a 20MP Stacked BSI Live MOS sensor, TruePic X processor, and 1053 cross-type AF points for precision and speed—making it powerful for both stills and video.


Classic Aesthetics, Modern Control

Blending timeless design with innovative control, the OM-3 ASTRO features customizable dials, a creative mode selector, and a computational photography button for instant access to features like Live ND, GND simulation, and focus stacking—perfect for creative astrophotography and macro exploration.


5-Axis Image Stabilization

OM SYSTEM’s renowned 5-axis stabilization delivers up to 6.5 stops of compensation (or up to 7.5 stops with Sync IS) to ensure crisp, blur-free images—even during long exposures or handheld night shooting.


Video Performance

The OM-3 ASTRO also excels in motion capture with:

  • 4K60p video recording

  • Extended recording time with advanced heat management

  • OM-Cinema profiles for cinematic color

  • S&Q mode supporting 1–120 fps for slow or quick motion shooting


Additional Highlights

  • IP53-rated splash and dust resistance

  • AI Detection AF for people, pets, birds, and motorsports

  • High-speed burst up to 120 fps (50 fps with AF tracking)

  • Pro Capture Mode stores up to 70 frames before full shutter press

  • Custom labels and mode configurations for personalized control

The OM SYSTEM OM-3 ASTRO is a precision tool crafted for astrophotographers who demand the perfect balance of scientific accuracy, creative flexibility, and reliable performance under the stars.

 
 

OM SYSTEM OM-3 ASTRO Specs

Key Specs
Lens Mount
Micro Four Thirds
Effective Sensor Resolution
20.4 Megapixel
Image Sensor
Four Thirds
Image Stabilization
Sensor-Shift
ISO/Gain Sensitivity
Native: 200 to 25,600
Max Recording Modes
H.264/H.264 Long GOP/MOV/MPEG-4 AVC 4:2:0 8-Bit
Up to DCI 4K at 24.00/25/30.00/50/60.00 fps

H.265/H.265 Long GOP/MOV 4:2:0 10-Bit
Up to DCI 4K at 24.00/25/30.00/50/60.00 fps
Max Video Output
4:2:2/4:2:0 8/10-Bit
DCI 4K
Media/Memory Card Slot
Single Slot: SD/SDHC/SDXC (UHS-II)
Video I/O
1x Micro-HDMI Output
Audio I/O
1x 1/8" / 3.5 mm TRS Stereo Headphone Output
1x 1/8" / 3.5 mm TRS Stereo Microphone Input
Power I/O
1x USB-C Input
Other I/O
1x USB-C Data Output (Shared with Power Input)
Wireless
Wi-Fi 4 (802.11n) / Bluetooth 4.2
Display Type
Articulating 3" Touchscreen LCD
Battery
1x BLX-1 Rechargeable Lithium-Ion (Included)
Imaging
Lens Mount
Micro Four Thirds
Effective Sensor Resolution
Effective: 20.4 Megapixel
Actual: 22.9 Megapixel
Image Sensor
17.4 x 13 mm (Four Thirds) BSI Stacked MOS
Sensor Crop (35mm Equivalent)
Crop Factor: 2x
Image Stabilization
Sensor-Shift, 5-Axis
Built-In ND Filter
No
Capture Type
Stills & Video
Exposure Control
Shutter Type
Mechanical Focal Plane Shutter and Electronic Rolling Shutter
Shutter Speed
Electronic Shutter
1/32000 to 60 Seconds
Electronic Front Curtain Shutter
1/320 to 60 Seconds
Mechanical Shutter
1/8000 to 60 Seconds
Bulb/Time Mode
Bulb Mode
ISO/Gain Sensitivity
Native: 200 to 25,600
Metering Method
Center-Weighted Average, Multi-Zone, Spot
Exposure Modes
Aperture Priority, Manual, Program, Shutter Priority
Exposure Compensation
-5 to +5 EV (1/3, 1/2, 1 EV Steps)
Metering Range
-2 to 20 EV
White Balance
2000 to 14,000K
Presets: AWB, Custom, Flash, Fluorescent, Overcast, Shade, Sunlight, Tungsten, Underwater
Continuous Shooting
Up to 120 fps at Maximum Resolution
Interval Recording
Yes
Self-Timer
2/12-Second Delay
Still Image Capture
Aspect Ratio
4:3
Image File Format
JPEG, Raw
Bit Depth
14-Bit
Video Capture
Internal Recording
H.264/H.264 Long GOP/MOV/MPEG-4 AVC 4:2:0 8-Bit
4096 x 2160 at 24.00/25/30.00/50/60.00 fps (102 to 205 Mb/s)
3840 x 2160 at 24.00/25/30.00/50/60.00 fps (102 to 105 Mb/s)
1920 x 1080 at 24.00/25/30.00/50/60.00 fps (30 Mb/s)
H.265/H.265 Long GOP/MOV 4:2:0 10-Bit
4096 x 2160 at 24.00/25/30.00/50/60.00 fps (77 to 155 Mb/s)
3840 x 2160 at 24.00/25/30.00/50/60.00 fps (155 Mb/s)
1920 x 1080 at 24.00/25/30.00/50/60.00 fps (162 Mb/s)
Video Output
4:2:2/4:2:0 8/10-Bit
4096 x 2160
Fast-/Slow-Motion Support
Yes
Gamma Curve
FLAT, HDR-HLG, OM-Log
Recording Limit
2-Hour Maximum in 4K
IP Streaming
No
Built-In Microphone
Stereo
Audio Recording
16-Bit 48 kHz LPCM Audio
Interface
Media/Memory Card Slot
Single Slot: SD/SDHC/SDXC (UHS-II)
Internal Storage
No
Video I/O
1x Micro-HDMI Output
Audio I/O
1x 1/8" / 3.5 mm TRS Stereo Headphone Output
1x 1/8" / 3.5 mm TRS Stereo Microphone Input
Power I/O
1x USB-C Input
Other I/O
1x USB-C Data Output (Shared with Power Input)
Wireless
Wi-Fi 4 (802.11n) / Bluetooth 4.2
Mobile App Compatible
Yes: Android & iOS
App Name: OM Image Share
Functionality: Access Stored Files, Remote Control, View Live Feed
Global Positioning (GPS, GLONASS, etc.)
GPS
*Via Connected Smartphone
Monitor
Display Type
Articulating 3" Touchscreen LCD
Resolution
1,620,000 Dot
Viewfinder
Type
Electronic (OLED)
Resolution
2,360,000 Dot
Eye Point
27 mm
Coverage
100%
Magnification
Approx. 1.23x
Diopter Adjustment
-4 to +2
Focus
Focus Type
Auto and Manual Focus
Focus Mode
Continuous-Servo AF, Manual Focus, Single-Servo AF
Autofocus Points
Phase Detection: 1053
Autofocus Sensitivity
-5.5 to +19 EV
Flash
Built-In Flash/Light
No
Flash Modes
Fill In, Flash On, Manual, Off, Slow Sync
Maximum Sync Speed
1/250 Second
Flash Compensation
-3 to +3 EV (1/3, 1/2, 1 EV Steps)
Dedicated Flash System
TTL
External Flash Connection
Shoe Mount
General
Battery
1x BLX-1 Rechargeable Lithium-Ion (Included)
Shoe Mount
1x Hot Shoe
Tripod Mount
1x 1/4"-20 Female
Materials
Magnesium Alloy
Operating Conditions
14 to 104°F / -10 to 40°C at 30 to 90% Humidity
Storage Conditions
-4 to 140°F / -20 to 60°C at 10 to 90% Humidity
Dimensions (W x H x D)
5.5 x 3.5 x 1.8" / 139.3 x 88.9 x 45.8 mm
Weight
0.9 lb / 413 g (Body Only)
1.1 lb / 496 g (With Battery)
In The Box
  • OM SYSTEM OM-3 ASTRO Mirrorless Camera
  • Shoulder Strap
  • CB-USB13 USB Cable
  • Limited 1-Year Manufacturer Warranty

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