OM System OM-1 Mark II IR vs OM System OM-3 Astro

Release Year
2026
2026
Launch Price
USD 2,399
USD 2,500
Current Price
USD 2,399
USD 2,500
Sensor Format
Micro 4/3
Processor
-
-
Resolution
20 MP
20.4 MP
In-body Stabilization
Weight
599g
366g
Battery (CIPA)
500 shots
310 shots
Sensor
Sensor Type
BSI CMOS Stacked
Cmos Partially Stacked
sensor low pass filter
-
No OLPF
ISO Range
Native: 200–25,600, Extended 80–102,400
100-25,600 (expandable to 102,400)
Focus & Performance
Autofocus Points
1053
-
Continuous shooting
Up to 50 fps with electronic shutter (continuous AF/AE) and up to 120 fps with locked AF/AE
-
Body
Body Type
-
Compact mirrorless interchangeable-lens camera
body type kind
Mirrorless
mirrorless
Dimensions
Approx. 134.8 × 91.6 × 72.7 mm (same as OM-1 Mark II standard).
5.5 x 3.5 x 1.8 in (139.3 x 88.9 x 45.8 mm)
body weather sealing
true
-
body viewfinder
Eye-level OLED, 5.76M dots
OLED EVF, 2.36M dots, 100% coverage, 1.48x magnification
viewfinder details
SLR-style mirrorless electronic viewfinder (EVF), OLED ~5.76M dots, magnification approx. 0.83× and refresh up to 120 fps
-
Display
Screen Size
20.4
3.0" vari-angle touchscreen LCD
Screen Resolution
1.62 million points
1.62M dots
screen touch
true
-
screen articulation
Fully articulated screen (vari-angle)
Fully articulated vari-angle screen
Video
Video Modes
4K up to 60 fps and Full HD up to 240 fps
4K at 60p, 30p, 24p · FHD at 240p, 120p, 60p, 30p, 24p
Max 4K FPS
60
60
video fhd max fps
120
240
Storage
Storage Media
Dual SD card slot (UHS-II compatible),
-
Connectivity
Wireless
Wi-Fi/Bluetooth
Wi-Fi 5 (802.11ac), Bluetooth 4.2, USB-C (USB 3.2 Gen 1)
Additional Info
Battery type
BLX-1 rechargeable battery (same as OM-1 Mark II).
-
Lens Mount
Micro Four Thirds
Micro Four Thirds