OM SYSTEM OM-3 ASTRO Mirrorless Camera

Product #124823 | SKU V7921300U000 | OM System/Olympus
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Features

  • Optimised 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

Description

A purpose-built camera for astrophotography, the OM SYSTEM OM-3 ASTRO Mirrorless Camera, is a specialized Micro Four Thirds mirrorless body designed for capturing the wonders of the night sky. Its adjusted optical characteristics make it especially adept at recording red nebulae, constellations, and a variety of other nighttime phenomena.

Astrophotography-Focused Features

The OM-3 ASTRO is engineered specifically for astrophotographers, with features that cater to low-light and celestial imaging. The camera's sensor and processing technology are optimized to enhance the visibility of faint astronomical objects, particularly those emitting red hydrogen-alpha light, such as nebulae. This allows photographers to clearly capture the intricate details and vibrant colors found in deep space.

Micro Four Thirds Design and Functionality

Built on the Micro Four Thirds platform, the OM-3 ASTRO combines portability and versatility with advanced performance. The mirrorless body ensures compatibility with a wide range of lenses, giving users flexibility in their astrophotography setups. Its robust build and ergonomic design make it suitable for both handheld shooting and mounting on telescopes or tripods for extended sky observation.

Enhanced Optical Characteristics

To further support astrophotography, OM SYSTEM has implemented specialized optical adjustments in the OM-3 ASTRO. These modifications improve the transmission and recording of specific wavelengths of light, such as those prominent in red nebulae. As a result, users can achieve greater clarity and color accuracy when photographing various celestial events, from distant galaxies to intricate star clusters.

Ideal for Nighttime Phenomena

Whether your goal is to capture expansive constellations or rare nighttime events, the OM-3 ASTRO delivers reliable performance under challenging conditions. Its suite of astrophotography features ensures that even subtle details in the night sky are recorded with impressive fidelity, making it a standout tool for enthusiasts and professionals seeking to explore and document the cosmos.

Specifications

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 CMOS
Sensor Crop (35mm Equivalent) Crop Factor: 2x
Image Stabilisation 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 Centre-Weighted Average, Multi-Zone, Spot
Exposure Modes Aperture Priority, Manual, Programme, 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, Colour Temperature, Custom
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
Dioptre 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
  • OM SYSTEM BLX-1 Lithium-Ion Battery (7.2V, 2280mAh)
  • Shoulder Strap
  • CB-USB13 USB Cable

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Details

  • Product: OM SYSTEM OM-3 ASTRO Mirrorless Camera
  • Manufacturer: OM System/Olympus
  • Model: OM-3 ASTRO
  • SKU: V7921300U000
  • RM Product #: 124823
  • Bodies/Kits: Body Only
  • Sensor Size: Four Thirds
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