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OM SYSTEM OM-1 Mirrorless Camera

BH #OMOM1 • MFR #V210010BU000
OM SYSTEM OM-1 Mirrorless Camera
Key Features
  • 20MP Stacked BSI Live MOS MFT Sensor
  • DCI/UHD 4K 60p 10-Bit Video Recording
  • 10 fps Shooting, 120 fps with E. Shutter
  • Cross Quad Pixel Phase-Detection AF
At the crossroads of image quality, portability, speed, and reliability, the OM-1, from OM SYSTEM is a flagship mirrorless camera built for adventure. Characterized by its versatile Micro Four Thirds platform, the OM-1 meshes quick and nimble stills performance and apt 4K video recording with unique computational imaging tools and a hardy, dependable physical design.
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OM SYSTEM OM-1 Overview

  • 1Description
  • 2The Adventurer's Flagship
  • 320MP Stacked Sensor and TruePic X
  • 4Image Stabilization and Computational Photography
  • 5DCI/UHD 4K Video Recording
  • 6Reliable, Adventure-Ready Design
By B&H Photo's
The Adventurer's Flagship
At the crossroads of image quality, portability, speed, and reliability, the OM-1, from OM SYSTEM is a flagship mirrorless camera built for adventure. Characterized by its versatile Micro Four Thirds platform, the OM-1 meshes quick and nimble stills performance and apt 4K video recording with unique computational imaging tools and a hardy, dependable physical design.
20MP Stacked Sensor and TruePic X
Micro Four Thirds BSI Live MOS Sensor
Newly designed 20.4MP Micro Four Thirds Live MOS sensor features a stacked BSI design that offers improved readout speeds, noise levels, and greater dynamic range than previous designs. This sensor structure improves noise performance by two stops and dynamic range by one stop for improved image quality, especially at higher ISOs.
TruePic X Processor
Compared to previous-generation processors, the TruePic X offers 3x-faster processing speeds along with a 120 fps sensor readout rate for faster, more responsive shooting. The processor also contributes to a wide ISO range and quick continuous shooting rates:

  • Native sensitivity range from ISO 200-102400, expandable down to ISO 80.
  • Continuous shooting up to 10 fps with full-time AF/AE and a buffer of 169 raw frames when working with a mechanical shutter.
  • If working with a silent electronic shutter, 20 fps shooting is possible with full-time AF/AE and a buffer of 108 raw frames. SH1 and SH2 are blackout-free high-speed shooting modes, offering rates up to 120 fps without AF/AE in SH1 and 50 fps with AF/AE in SH2.
  • Pro Capture mode begins recording before you release the shutter; able to record at 120 fps with fixed focus or 50 fps with continuous AF, this mode begins recording once the shutter button is half-pressed and then stops once the button has been fully pressed. Up to 70 additional frames can be recorded with this mode, serving as a safeguard for times when the action occurs just before you press the shutter button.
Cross Quad Pixel AF and AI Detection
Featuring a unique design, on-sensor phase-detection AF uses a Cross Quad Pixel system that effectively splits each pixel into four sub-pixels for cross-sensor performance that is more adept at focusing in tricky lighting conditions. The focusing system has 1053 individual points, which fully cover the sensor and perform at up to 120 fps to suit virtually all recording methods.

Benefitting from the Cross Quad Pixel AF structure, color and contrast information from the sensor can also be used to create a detailed depth map of the image for more refined subject detection and tracking accuracy. Using AI, this focusing system can automatically detect a range of subject types, like cars, motorcycles, airplanes, helicopters, trains, birds, dogs, cats, and humans, as well as faces and eyes. And, compared to earlier iterations of this focusing system, improved processing now makes focusing performance 2x more accurate and 3x faster.

Image Stabilization and Computational Photography
5-Axis Image Stabilization
In-body 5-axis image stabilization compensates for up to 8 stops of camera shake, allowing for the use of significantly longer shutter speeds when shooting handheld. This advanced sensor-shift system compensates for 7 stops of camera shake with the body alone, and an additional stop is provided when select IS-enabled lenses are attached.

Handheld Assist relies on this stabilization technology for more stable framing, which is especially helpful when working with longer focal length lenses. Additional, in-body image stabilization also contributes to a variety of additional shooting modes and camera functions, including High Res Shot modes, Handheld Live Composite, and an advanced dust reduction system.

Creative Shooting Modes
  • High Res Shot—Benefitted by the stacked sensor design, processing power, and image stabilization system, this mode composites a series of 12 shots into a single higher resolution frame in just 5 seconds. Tripod High Res Shots mode produces an 80MP raw file and Handheld High Res Shot mode produces a 50MP raw file, and both modes offer up to 2 stops of reduced noise and improved color information.
  • Live ND—Now supporting up to ND64 (6-stop), this unique function digitally simulates the effects of an optical neutral density filter for produce long exposure/slow shutter speed effects.
  • Live Composite—Perfect for long exposures, nighttime shooting, and light painting applications, this unique mode gradually builds up an exposure over time without overexposing key elements within the frame. This mode works to only record newly detected light sources over time, and allows live view monitoring as an image develops. A Handheld Live Composite mode is available, too.
  • Focus Stacking—This mode automatically records 15 sequential frames while shifting the plane of focus slightly between each frame, then composites these exposures into a single image that exhibits an extended depth of field.
DCI/UHD 4K Video Recording
  • DCI/UHD 4K video recording is supported at up to 60p and 10-bit 4:2:0 sampling. Full HD recording is possible at high-speed rates up to 240 fps for slow-motion playback.
  • 12-bit raw output is supported via the micro-HDMI port when working with an optional compatible external recorder, such as the Atomos Ninja V or Ninja V+.
  • HLG picture mode permits in-camera HDR recording and an OM-Log gamma allows for greater color grading range when adjusting the footage in post-production.
  • In-camera time-lapse production is possible, up to UHD 4K with frame rates from 5 fps to 30 fps.
  • Both 3.5mm microphone and headphone ports contribute to greater audio recording control and quality.
Reliable, Adventure-Ready Design
  • Electronic viewfinder features a 5.76m-dot OLED panel, offering a bright and clean means for eye-level monitoring. The finder has a 0.83x-equivalent magnification, a 21mm eye point, and 120 fps refresh rate for realistic motion rendering.
  • 3.0" 1.62m-dot LCD touchscreen features a vari-angle design with 270° of swivel to suit working from high, low, and front-facing angles.
Durable, Weather-Sealed Build
  • Lightweight, durable magnesium alloy body design is dust- and splash-resistant with an IP53 rating for ensured use in trying weather conditions.
  • Tough design is also freezeproof-tested for reliable use in temperatures down to 14°F.
  • Durable shutter design is rated for 400,000 shutter actuations.
Practical and Intuitive Handling
  • Utilizing the new BLX-1 battery, the OM-1 is rated for 520 shots per charge. In-body battery charging is possible via the USB type-C port, and the camera itself can also be powered using a USB-connected power bank.
  • Dual UHS-II SD memory card slots for flexible file saving, including making in-camera backups, splitting file types, or just for having additional memory on hand for overflow storage.
  • Updated menu configuration makes it easier to find different settings, confirm settings selections, and understand why grayed-out items cannot be selected.
  • Separate AEL and AF-ON buttons for easier, more direct control over the different functions. Both buttons can also be customized to adjust different settings.
  • Bluetooth and Wi-Fi (5 and 2.4GHz) allow wireless file transferring and remote control over the camera via the OI.Share app for mobile devices.


Lens MountMicro Four Thirds
Sensor ResolutionActual: 22.9 Megapixel
Effective: 20.4 Megapixel
Image Sensor17.4 x 13 mm (Four Thirds) MOS
Crop Factor2x
Image StabilizationSensor-Shift, 5-Axis
Built-In ND FilterNone
Capture TypeStills & Video
Exposure Control
Shutter TypeElectronic Shutter, Mechanical Focal Plane Shutter
Shutter SpeedMechanical Shutter
1/8000 to 60 Seconds
Electronic Front Curtain Shutter
1/320 to 60 Seconds
Electronic Shutter
1/32000 to 60 Seconds
Bulb/Time ModeBulb Mode, Time Mode
ISO SensitivityPhoto/Video
200 to 102,400 in Manual, Auto Mode (Extended: 80 to 102,400)
Metering MethodCenter-Weighted Average, Highlight Weighted, Multi-Zone, Spot
Exposure ModesAperture Priority, Manual, Program, Shutter Priority
Exposure Compensation-5 to +5 EV (1/3, 1/2, 1 EV Steps)
Metering Range-2 to 20 EV
Continuous ShootingMechanical Shutter
Up to 10 fps at 20.4 MP for up to 139 Frames (Raw) / 169 Frames (JPEG)
Electronic Shutter
Up to 20 fps at 20.4 MP for up to 108 Frames (Raw) / 116 Frames (JPEG)
Up to 120 fps at 20.4 MP for up to 92 Frames (Raw) / 92 Frames (JPEG)
Up to 50 fps at 20.4 MP for up to 96 Frames (Raw) / 97 Frames (JPEG)
Interval RecordingYes
Still Image Capture
Image Sizes4:3 JPEG / Raw
20 MP (5184 x 3888)
Aspect Ratio1:1, 3:2, 4:3, 16:9
Image File FormatJPEG, Raw
Bit Depth12-Bit
Video Capture
Internal Recording ModesH.265 Long GOP/MOV 4:2:0 10-Bit
DCI 4K (4096 x 2160) at 23.98/25/29.97/50/59.94 fps [77 to 152 Mb/s]
UHD 4K (3840 x 2160) at 23.98/25/29.97/50/59.94 fps [77 to 152 Mb/s]
1920 x 1080p at 23.98/24.00/29.97/50/59.94 fps [22 to 42 Mb/s]
H.265/MOV 4:2:0 10-Bit
1920 x 1080p at 23.98/25/29.97/50/59.94 fps [82 to 162 Mb/s]
1920 x 1080p at 100/200 fps
H.264 Long GOP/MOV 4:2:0 8-Bit
DCI 4K (4096 x 2160) at 23.98/25/29.97/50/59.94 fps [102 to 202 Mb/s]
UHD 4K (3840 x 2160) at 23.98/25/29.97/50/59.94 fps [102 to 202 Mb/s]
1920 x 1080p at 23.98/25/29.97/50/59.94 fps [27 to 52 Mb/s]
H.264/MOV 4:2:0 8-Bit
1920 x 1080p at 23.98/25/29.97 fps [202 Mb/s]
1920 x 1080p at 100/200/240 fps
External Recording ModesRaw 12-Bit via HDMI
DCI 4K (4096 x 2160)
UHD 4K (3840 x 2160)
Gamma CurveHDR-HLG, OM-Log
Broadcast OutputNTSC/PAL
IP StreamingNone
Built-In Microphone TypeStereo
Audio RecordingMOV: 2-Channel 24-Bit 96 kHz LPCM Audio
MOV: 2-Channel 16-Bit 48 kHz LPCM Audio
Media/Memory Card SlotDual Slot: SD/SDHC/SDXC (UHS-II)
Video I/O1 x Micro-HDMI Output
Audio I/O1 x 1/8" / 3.5 mm TRS Stereo Microphone (Plug-in Power) Input on Camera Body
1 x 1/8" / 3.5 mm TRS Stereo Headphone Output on Camera Body
Other I/O1 x USB-C Input/Output (Shared with Power Input)
1 x 2.5 mm Sub-Mini
1 x PC Sync Socket FlashSync Output
Wireless2.4 / 5 GHz Wi-Fi
Global Positioning (GPS, GLONASS, etc.)None
Resolution1,620,000 Dot
Display TypeArticulating Touchscreen LCD
TypeBuilt-In Electronic (OLED)
Resolution5,760,000 Dot
Eye Point21 mm
Focus TypeAuto and Manual Focus
Focus ModeContinuous-Servo AF, Manual Focus, Single-Servo AF
Autofocus PointsPhoto, Video
Phase Detection: 1053
Autofocus Sensitivity-6 to +19 EV
Built-In FlashNo
Flash ModesFill Flash, First-Curtain Sync, Manual, Off, Red-Eye Reduction, Second-Curtain Sync, Slow Sync
Maximum Sync Speed1/250 Second
Flash Compensation-3 to +3 EV (1/3, 1/2, 1 EV Steps)
Dedicated Flash SystemTTL
External Flash ConnectionHot Shoe, PC Terminal
Operating Temperature22 to 72°F / -10 to 40°C
Storage Temperature-4 to 140°F / -20 to 60°C
Operating Humidity30 to 90%
Storage Humidity10 to 90%
Battery Type1 x BLX-1 Rechargeable Lithium-Ion (Approx. 520 Shots)
Tripod Mounting Thread1 x 1/4"-20 Female (Bottom)
Accessory Mount1 x Hot Shoe Mount on Camera Body
Dimensions (W x H x D)5.3 x 3.6 x 2.9" / 134.8 x 91.6 x 72.7 mm
Weight1.3 lb / 599 g (With Battery, Recording Media)
1.1 lb / 511 g (Body Only)
Packaging Info
Package Weight3.165 lb
Box Dimensions (LxWxH)7.5 x 7.25 x 5.5"

OM SYSTEM OM-1 Reviews

Best Camera you can buy for Wildlife+

By Allen
Rated 5 out of 5
Date: 2023-06-02

This camera is a wildlife photographer's dream. To do better your talking triple the amount of money. But this little camera can do much more than just wildlife, it's an exceptional landscape camera as well. And it's versatility doesn't stop there. I've owned the OM-1 since it was first released and I have had zero issues with it and that includes all the firmware updates. This is a tough and very stable little camera. While micro 4/3 may not be for everyone, I believe it is way underestimated for its quality. The images that can be produced with the OM-1 are stunning with great colors, sharp details, and great dynamic range. If there were one thing I'd want out of OM System for their next flagship, it's higher resolution. 24-32mp would be nice. More custom modes as well, from 4 to 6 would be good. The camera is so versatile, it would be nice to have more custom modes to change settings on the fly. Overall for the money this camera is great, I'm extremely happy with the quality of imagery coming out of it. And the selection of lenses to go with it can't be touched by any other competitors. This camera will give you the most bang for your buck!

Pleased with purchase

By Beth
Rated 5 out of 5
Date: 2023-03-14

Stability more than I expected. Great feel and grip for smaller hands.

Excellent camera for bird and nature photography

By Richard
Rated 5 out of 5
Date: 2023-03-02

Purchased after a two-week rental for a trip to Costa Rica after extensive online diligence. The OM1 is everything that was promised - compact, excellent image quality and extraordinary ergonomics for birding. The autofocus and subject detection were great, and the low-light/high-ISO performance was better than expected. One of the interesting aspects of this trip was the ability to compare this camera to my son's Sony A& Mark V, a camera that costs 70% more (with a 100-400 GS lens). The Sony produces exquisite 60 mp images, but the OM1 with it's effective 800 mm reach, allowed me to frame images that required far less cropping, partially offsetting the extra pixel count of the Sony. In the end, the cropped and processed images of the Sony were probably a tiny bit better than the OM1, but not enough to make me even consider spending the extra money. The OM1 is also almost a pound lighter, a modestly important factor when you are over 70 and hiling around with camera, binoculars and whatnot. The bird detection was excellent, holding flying birds even when they were too small for reasonable pictures. Controls and general ergonomics were excellent, and the overall the camera feels like a quality piece of precision manufacturing. Battery life, as long as you don't use the LCD screen all the time, seemed to be substantially more than the advertised 520 shots, although I didn't measure it precisely. Image quality is impressive, and the in-camera JPEGS are really nice (I used the natural setting, not any of the other options. The smaller 20 mp image size is offset by the fact that the extra reach of the 400 mm lens seems to allow better initial composition, resulting in less cropping required in post. The 20mp size is not a limitation unless you plan on printing large prints - 8x10s, even from 50% cropped images, are flawless, and probably will scale to at least 11 x 14 or more. Another standout feature is its IBS, a claimed 5 stops. I have significant age-related tremors, and stabilization is a must for me. Since the low-end $1500 100-400 lens (the nice $7500 lens works with the IBS and adds an extra stop to the IBS specs) disables the IBS (not sure why, but was told by a factory rep that it was so and verified myself with a set of test shots), I turned off the lens stabilization and relied on the IBS instead. Results have been excellent - exposures where I had difficulty holding a steady mage turning out crystal-clear. In decent light, hand-held exposures down to 1/30 second have been usable, if not trophy-quality. OM Systems makes extraordinary claims for its new stacked BSI sensor in terms of dynamic range and noise. I cannot verify the exact specifications, but exposures up to at least ISO 6400 are very difficult to tell from much lower ISSO samples, depending on the details of the scene (the Quetzal images I have posted were taken at ISO 5000 - 16000). Overall, a wonderful camera, and it's 400,000 activation shutter specification speaks eloquently to its build quality. I expect to be taking picturs on this one for quite some time.

Om-1 made me NOT switch to Full Frame.

By Joey
Rated 5 out of 5
Date: 2023-03-01

Yeah I was missing to many great shots using my other brand M4/3 for Bird Photography. Considered switching to full frame but it meant also investing in super expensive and heavy pro glass. I decided to give the OM-1 a try with my Panasonic Leica 100-400mm F4.5-6.3 lens and wow a super game changer especially with my bird in flight shots. So impressed with the OM-1 that I'm on the famous B&H waiting list for the Olympus 150-400mm F4.5 pro with the built in TC and will be passing along my PL lens. Since the updates (now up to 1.4) this camera has been getting better and better. CF+MF (very rarely do I need Mf unless subject is way deep in foliage) and CF+Tracking is a joy to use. No More Spray and Pray for shots. I also like the many customizations of function buttons with the OM-1. Also love the tech support given from the many OM ambassadors. I'm not a pro but I love the outdoors and capturing the moment is what is all about for me. Hope you enjoy the pics!

Great Camera

By Bruce
Rated 5 out of 5
Date: 2023-02-26

This is the greatest camera that i have ever used. It's takes a little time to get use to but when you figure everything out its a pleasure to use. The results are amazing, I am very happy with my OM-1.

A Great Leap Forward

By David
Rated 5 out of 5
Date: 2023-02-23

I recently upgraded from the EM-5 MkII to the OM-1 and could not be more delighted. Not only does this camera have an improved sensor, but is a complete redesign of the old EM line. The menu organization is superb. The grip is perfect. Buttons are exactly where they need to be. Even though it is a much more complicated camera, it is easier to use because of the ergonomics and the thought that went into it. I highly recommend this camera.

Camera System is amazing

By Roberft
Rated 5 out of 5
Date: 2023-04-14

After shooting Nikon for years, i have to say this camera + lens is liberating. The weight reduction without loss of image quality (except pixel count) is remarkable. I'll keep my Z7 and lenses for a while for low light use, but otherwise, this will be my go to gear.

Nice step up from the E-M1 series

By Lawrence
Rated 5 out of 5
Date: 2023-03-14

Coming from an E-M1 II (which I still have) I wasn't sure how much improvement the OM-1 would offer. However, there were several areas of refinement that made using it more efficient and enjoyable, including its slightly better IQ that becomes more noticeable at higher ISO values. The camera is more responsive, the viewfinder is significantly brighter and sharper, and the menu system is much easier to navigate. Paired with Olympus Pro lenses this camera can produce results that are virtually indistinguishable from so-called "full-frame" cameras under most shooting conditions - the standard being side-by-side 13x19-in. prints not pixel peeping on a smart phone. I found the camera's ergonomics and haptics to be excellent and had very little difficulty transitioning from the E-M1. And so far, I've not encountered any bugs or glitches. Of course, there are many other features and improvements that are too numerous to list, but for me the step up has been well worth it.

See any errors on this page? Let us know


Does it have built-in geotagging?

Does it have built-in geotagging?
Asked by: James
The OM SYSTEM OM-1 Mirrorless Camera does not have a built-in GPS. The camera does support geotagging when connected to a smart phone.
Answered by: Lawrence
Date published: 2022-04-07

To follow up my earlier question, which wasn't ...

To follow up my earlier question, which wasn't fully answered: can you navigate the OM-1's menu via the touch LCD?
Asked by: John
Unfortunately, it's not possible to navigate the menu on the OM-1 via the touch LCD.
Answered by: Kirk
Date published: 2022-02-17

the specs say no IP streaming. Does this mean ...

the specs say no IP streaming. Does this mean streaming only through HDMI to a card?
Asked by: Steve
The OM-1 Mirrorless Camera would have a clean HDMI output, so live streaming would be done via the HDMI port and a capture card.
Answered by: Kirk
Date published: 2022-02-17

Does the dual card slot allow for real time ...

Does the dual card slot allow for real time copying of images from slot 1 to slot 2 as they are made, or is the copying done after the fact in a separate action?
Asked by: Robert
The OM SYSTEM OM-1 Mirrorless Camera can be set to record to both cards simultaneously. Additionally, one can copy images from one card to the other after the fact.
Answered by: Yaakov
Date published: 2022-03-01

What is the minimum SD card requirement for ...

What is the minimum SD card requirement for capturing 4k 60p 10 bit? I don't want to cut corners, but I also don't want to purchase more SD card than I need.
Asked by: Matthew
We suggest a 64gb UHS speed class 3 "U#" allows you to shoot in cinema 4K quality. Please review the cards for your 4K needs SanDisk 64GB Extreme PRO UHS-II SDXC Memory Card BH #SAEPSDU64GBD • MFR #SDSDXDK-064G-ANCIN
Answered by: hectorm
Date published: 2022-04-03

Does the OM-1 Feature both 24.0 fps and 23.976 ...

Does the OM-1 Feature both 24.0 fps and 23.976 fps?
Asked by: Lyndrick
Yes, both frame rates are available.
Answered by: Bjorn
Date published: 2022-02-15

Is the back ISO button on this body programmable ...

Is the back ISO button on this body programmable so it can be used for other functions?
Asked by: Rod
Yes, the separate AEL and AF-ON buttons can be customized to control different functions on the OM-1 Mirrorless Camera.
Answered by: Kirk
Date published: 2022-02-16

Can the Em-mk3 battery charger charge the new ...

Can the Em-mk3 battery charger charge the new OM-1 battery?
Asked by: paul
Answered by: Matt
Date published: 2022-06-07
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