OM System OM-1 vs OM System OM-1 Mark II

The bottom line

These two are closely matched. The differences below are where they diverge — weigh the ones that map to how you actually shoot, and let price and handling break the tie.

Choose the OM System OM-1 Mark II if…

  • You shoot in low light or indoors — AF that focuses down to -9 EV gives it the edge after dark.

Where they differ

  • Price: the OM System OM-1 launched at $2,199, $200 under the OM System OM-1 Mark II — money that could go toward glass.

Frequently asked

Is the OM System OM-1 or the OM System OM-1 Mark II better?

These two are closely matched. The differences below are where they diverge — weigh the ones that map to how you actually shoot, and let price and handling break the tie.

Who should choose the OM System OM-1 Mark II?

Choose the OM System OM-1 Mark II if you shoot in low light or indoors — AF that focuses down to -9 EV gives it the edge after dark.

What is the main difference between the OM System OM-1 and the OM System OM-1 Mark II?

Price: the OM System OM-1 launched at $2,199, $200 under the OM System OM-1 Mark II — money that could go toward glass.

Own the OM System OM-1? Read the dedicated upgrade guide →

Product
OM System OM-1
OM System
$2,199
OM System OM-1 Mark II
OM System
$2,399
Imaging
Sensor TypeBSI Stacked Live MOSBSI Stacked Live MOS
Sensor SizeMicro Four ThirdsMicro Four Thirds
Image ProcessorTruePic XTruePic X
Effective Resolution20.4 MP20.4 MP
Lens MountMicro Four ThirdsMicro Four Thirds
Exposure Control
ISO Range (Native)200 – 25600200 – 25600
ISO Range (Extended)80 – 10240080 – 102400
Mechanical Shutter1/80001/8000
Electronic Shutter1/320001/32000
Flash Sync Speed1/2501/250
Built-in FlashNoNo
Still Image Capture
Continuous Shooting50 fps50 fps
Video Capture
Max Resolution4K4K
8K Recording
4K RecordingUp to 60pUp to 60p
1080p RecordingUp to 240pUp to 240p
10-bit InternalYesYes
Recording LimitNo limitNo limit
Log ProfilesOM-Log400 / HLGOM-Log400 / HLG
Built-in MicStereoStereo
Headphone JackYesYes
Mic InputYesYes
HDMI OutputMicro (Type D)Micro (Type D)
Focus
Phase Detect Points1,0531,053
Contrast Detect Points
Low Light AF-8 EV-9 EV
Eye AFYesYes
Animal AFYesYes
Vehicle AFNoNo
Viewfinder
EVF TypeOLEDOLED
EVF Resolution5.76M dots5.76M dots
EVF Magnification0.83x0.83x
Monitor
LCD Size3"3"
LCD Resolution1.62M dots1.62M dots
LCD TypeVari-AngleVari-Angle
Touch ScreenYesYes
Interface
Wi-FiWi-Fi 5Wi-Fi 5
Bluetoothv4.2v4.2
USBUSB-C 3.2USB-C 3.2
Memory Card Slots2x SD UHS-II2x SD UHS-II
GPSNoNo
General
Price (MSRP)$2,199$2,399
Body MaterialMagnesium AlloyMagnesium Alloy
Dimensions134.8×91.6×72.7 mm134.8×91.6×72.7 mm
Weight599g (1.32 lb)599g (1.32 lb)
Weather SealedYesYes
In-Body StabilizationYesYes
Battery Life (EVF)520 shots520 shots
Battery Life (LCD)520 shots520 shots
Battery TypeBLX-1BLX-1