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OM SYSTEM OM-3 Mirrorless Camera

BH #OMOM3B • MFR #V210050SW000
30 reviews
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OM SYSTEM OM-3 Mirrorless Camera
90-Second Intro
Key Features
  • 20MP Stacked BSI Live MOS MFT Sensor
  • TruePic X Engine
  • 3.0" 1.62m-Dot Swivel Touchscreen LCD
  • 2.36m-Dot OLED Electronic Viewfinder
The OM SYSTEM OM-3 arrives to deliver flagship-level performance, customizable creative tools, and robust video capabilities, making it a great all-around camera for diverse scenarios such as cityscapes, street scenes, and urban nature settings. Adopting the 20MP Stacked BSI Live MOS MFT Sensor, TruePic X engine, and the 1053 AF points native to the OM-1 Mark II, this compact system proves to be a giant in capabilities.
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OM SYSTEM OM-3 Overview

Technology for Evolving Creatives
The OM SYSTEM OM-3 arrives to deliver flagship-level performance, customizable creative tools, and robust video capabilities, making it a great all-around camera for diverse scenarios such as cityscapes, street scenes, and urban nature settings. Adopting the 20MP Stacked BSI Live MOS MFT Sensor, TruePic X engine, and the 1053 AF points native to the OM-1 Mark II, this compact system proves to be a giant in capabilities.
Timeless Elegance and Innovative Design
The OM-3 prides itself on conserving the timeless elegance of the SLR camera. Its design repurposes the traditional dials to provide valuable access to customizable tools, such as a creative dial that allows easy transition between color and monochrome profiles, an intuitive button that unifies computational features such as Live ND and GND, focus stacking, and more.

With easy access to the computational photography button, the user is allowed to harness a wide array of creative tools, such as capturing light trails free from urban light pollution or combining various focus points to capture the wonders and details hidden in the world of macro photography.

5-Axis Image Stabilization
The OM SYSTEM 5-axis image stabilization provides up to 6.5 shutter speed stops of compensation for the center and 5.5 stops for the corner. When paired with compatible lenses, the camera supports Sync IS delivering even more powerful image stabilization at up to 7.5 shutter speed stops at the center and 6.5 stops at the corner, ensuring blur-free images in a variety of scenarios.
Video Features
Optimized for video creators, the OM-3 allows for 4K video recording at up to 60p, seamless mode switching, heat management for extended recording, and new OM-Cinema video profiles. The dedicated video dial makes switching between still, video, and S&Q mode a breeze, easily recording slow or quick motion videos at frame rates ranging from 1 to 120 fps.
OM Cinema Mode
The OM-Cinema Mode welcomes new video color profiles meant to help the user achieve cinematic quality with advanced settings tailored for professional storytelling.
Additional Features
  • IP53 splash and dust resistance ensures reliable performance in harsh conditions
  • 1053-point Cross-Type On-chip Phase Detection Quad Pixel AF
  • AI Detection AF for subjects including people, motorsports, birds, and pets
  • Starry Sky AF for astrophotography
  • High-speed sequential shooting at up to 120 fps with AF tracking at 50 fps
  • Pro Capture Mode to capture up to 70 frames before fully pressing the shutter
  • Custom Mode Labels for personalization of settings
  • Custom setting options for activating video modes Supports integration with video recording lights
UPC: 050332195653

OM SYSTEM OM-3 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.265/MOV/MPEG-4 AVC 4:2:0 8/10-Bit
Up to DCI 4K at 23.98/24.00/25/29.97/50/59.94 fps
Max Video Output
4:2:2/4:2:0 8/10-Bit
Up to 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.265/MOV/MPEG-4 AVC 4:2:0 8/10-Bit
4096 x 2160 at 23.98/24.00/25/29.97/50/59.94 fps (77 to 205 Mb/s)
3840 x 2160 at 23.98/25/29.97/50/59.94 fps (77 to 205 Mb/s)
1920 x 1080 at 23.98/25/29.97/50/59.94 fps (22 to 205 Mb/s)
Video Output
4:2:2/4:2:0 8/10-Bit
4096 x 2160
3840 x 2160
1920 x 1080
1280 x 720
Fast-/Slow-Motion Support
Yes
Gamma Curve
FLAT, HDR-HLG, OM-Cinema1, OM-Cinema2, 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
Non-Shoe Flash Connection
No
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)
Packaging Info
Package Weight
2.545 lb
Box Dimensions (LxWxH)
8 x 7.4 x 5.6"

OM SYSTEM OM-3 Reviews

Satisfied customer

By Octavio
Rated 5 out of 5
Date: 2026-05-18

Dad cam, travel cam, everyday cam! Light as a feather around my neck all day and pairing it with an older equally light 9-18 OLy zoom that I had bought for my GH4. I have gotten back into Black and White again and I have yet to try some of the other modes. Video at 10 bit is my next area to try but I see this more as a stills cam.

Great camera except for one little thing

By Could have loved the OM-3
Rated 3 out of 5
Date: 2026-02-10

I enjoyed using this camera a lot. It's good or even perfect for many things. Until the little plastic lever on the batter door broke after 5 days. I mean, it's got metal everything that's super solid and then a PLASITC lever that breaks within 5 days of using the camera? I don't understand. Why not make that metal as well? What a shame.

See any errors on this page?

Does the OM-3 come with a small flash? Prior OM ...

Does the OM-3 come with a small flash? Prior OM cameras included the flash.
Asked by: Michael
No, the OM SYSTEM OM-3 Mirrorless Camera does not come with a flash.
Answered by: Naftoli G
Date published: 2025-03-11

Does the OM-3 have a stacked sensor?

Does the OM-3 have a stacked sensor?
Asked by: Starr
Yes, the OM SYSTEM OM-3 Mirrorless Camera has a 20MP Stacked BSI Live MOS MFT Sensor.
Answered by: David B
Date published: 2025-09-10

Does this have contacts on the bottom for a grip, ...

Does this have contacts on the bottom for a grip, like the ECG-5 was for the OM-5/E-M5 Mark III?
Asked by: Matt
They do not make a battery grip for the OM SYSTEM OM-3 Mirrorless Camera.
Answered by: Dan W
Date published: 2026-02-15

Is the body metal or cheap plastic?

Is the body metal or cheap plastic?
Asked by: robert
The OM SYSTEM OM-3 Mirrorless Camera is made of magnesium alloy.
Answered by: Ejona G
Date published: 2026-02-26

I currently use OI.Share on my Android phone to ...

I currently use OI.Share on my Android phone to remotely control my OM DEM1 thru a WiFi connection. Can I do this with the OM-3?
Asked by: Mary
The OM SYSTEM OM-3 Mirrorless Camera (B&H# OMOM3B) may be used with the OM Image Share app for iOS and Android-based devices including as a remote shutter release and for image transfer. You can find it here: https://bhpho.to/4iVrRx1
Answered by: Yoni S
Date published: 2025-03-16

Is the Still Image Capture 14-bit? The OM-1 Mark ...

Is the Still Image Capture 14-bit? The OM-1 Mark II is 12-bit.
Asked by: Robert
Natively, the OM SYSTEM OM-3 Mirrorless camera shoots 12bit raw still images. Setting the camera to shoot a high-res raw shot, you can set it to 14bit.
Answered by: Rob K
Date published: 2025-03-05

Are high resolution images also 14 bit?

Are high resolution images also 14 bit?
Asked by: mark
The OM-3 using one of the high res modes will shoot 14 bit images versus the native 12bit images
Answered by: Anuj
Date published: 2025-09-30

Does it come in all black?

Does it come in all black?
Asked by: Jay
No, the OM SYSTEM OM-3 Mirrorless Camera does not come in all black.
Answered by: Elliot
Date published: 2026-04-19
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