OM System OM-1 Mark II

OM System OM-1 Mark II firmware

OM System · OM-1 Mark II · Body

Latest firmware for the OM System OM-1 Mark II is v1.3 (July 1, 2025).

OM-1 Mark II specifications

Body type
SLR Style Mirrorless
Resolution
20.4 MP
Sensor
Stacked CMOS
Sensor size
17.4 × 13 mm
Processor
TruePic X Dual Quad Core Processor
ISO range
80–25600
Fastest shutter
1/8000
Burst rate
10 fps
Battery life
520 shots (CIPA)
Storage
SD, SDHC (UHS-I/II), SDXC (UHS-I/II)
Video
MPEG4, H.264, H.265
Mount
Micro Four Thirds
Weight
599 g
Dimensions
135 × 92 × 73 mm
Weather sealed
Yes
Price at launch
$2399

OM-1 Mark II firmware changelog

  1. v1.3 first tracked

Firmware history

  1. Version 1.3 Latest Released Jul 1, 2025 First seen Jul 5, 2026
    Show release notes
    • Stability​ of touch panel operatio​n during playback was improved.
    Release notes & download

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Lenses that fit the OM-1 Mark II

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