OM SYSTEM OM-3 / Sony α1 II (ILCE-1M2)

OM SYSTEM OM-3: OM-3 · body only

Sony α1 II (ILCE-1M2): ILCE-1M2 body only, black. The original α1 (ILCE-1), α9 III and α7R V are separate models with different sensors and features.

SpecificationOM SYSTEM OM-3Sony α1 II (ILCE-1M2)
Release year20252024
Announcement / availability6 February 2025 / late February 2025

Dates from the manufacturer’s North America press release.

OM SYSTEM		—
Sensor4/3-inch stacked BSI Live MOS; approx. 20.4 MP effective, 22.9 MP total OM SYSTEM35 mm full-frame (35.9 × 24.0 mm) Exmor RS stacked CMOS; approx. 50.1 MP effective

The stacked design allows very fast sensor readout, reducing rolling-shutter distortion with the electronic shutter and enabling blackout-free shooting.

Sony
ProcessorTruePic X OM SYSTEMBIONZ XR and a dedicated AI processing unit Sony
Mount / formatMicro Four Thirds; 35 mm equivalent focal length approx. 2× OM SYSTEM—
Photo size and format5184 × 3888 maximum; 12-bit RAW and JPEG OM SYSTEM—
ISOLOW (approx. 80) – 102400; default auto upper limit 25600 OM SYSTEMStills 100–32000 (expandable 50–102400); movies 100–32000 Sony
StabilizationFive-axis sensor shift OM SYSTEM—
Stabilization rating6.5 stops at centre and 5.5 at the corner in the body; 7.5 and 6.5 stops with a compatible Sync IS lens

CIPA 2024. Body figure with 12–45 mm f/4 PRO at 45 mm; Sync IS figure with 12–100 mm f/4 IS PRO at 100 mm, half-press IS off. Not a guarantee for every shot.

OM SYSTEM		—
Autofocus1053-point cross-type on-chip phase detection; subject detection: people, birds, cats, dogs, car and motorcycle racing, aircraft, helicopters, trains OM SYSTEM759-point phase-detection hybrid AF covering about 92% of the sensor; human, animal, bird, insect, car, train and airplane recognition Sony
Viewfinder2.36-million-dot OLED electronic viewfinder; up to 1.37× magnification; 27 mm eye point

Magnification with a 50 mm lens at infinity, −1 dioptre; depends on the selected viewfinder style.

OM SYSTEM		—
Rear display3-inch, 3:2; approx. 1.62 million dots; touch, vari-angle OM SYSTEM—
ShutterFocal plane; 1/8000–60 s; down to 1/32000 s in silent mode; approx. 100,000 shot durability OM SYSTEM—
BurstApprox. 6 fps; with Pro Capture 20 fps, 50 fps with compatible lenses and 120 fps with focus and exposure fixed at the first frame

Slow shutter speeds and flash cannot be used. The compatible-lens list for 50 fps is limited.

OM SYSTEM		—
Pro CapturePro Capture: starts capturing at half-press; a full press saves up to 70 frames from before it

Not available while connected to a smartphone over Wi-Fi.

OM SYSTEM		—
Computational modesHigh Res Shot (10368 × 7776 on a tripod, 8160 × 6120 handheld); Live ND (ND2–ND64) and Live GND; HDR; focus stacking; multiple exposure; CP button OM SYSTEM—
Colour controlCreative dial on the front: COLOR, MONO, ART, CRT; Color and Monochrome Profile Control OM SYSTEM—
Video resolution4K 3840 × 2160 and C4K 4096 × 2160: 60/50/30/25/24p; Full HD 60/50/30/25/24p OM SYSTEM—
Video codecH.264 8-bit and H.265 10-bit; Flat, OM-Log400, HLG, OM-Cinema1 and OM-Cinema2 profiles

With H.265 selected, only OM-Log400 and HLG are available.

OM SYSTEM		—
High-speed videoFull HD at 240, 120 and 100 fps; no sound recorded; slow and quick motion mode

Available rates depend on codec and frame rate.

OM SYSTEM		—
Continuous video recordingAt 4K 30p 10-bit: up to 30 minutes at 40 °C; unlimited at 25 °C

Manufacturer’s own test condition.

OM SYSTEM		—
External recordingHDMI Type D; 4K/C4K 12-bit RAW output to a compatible recorder

In RAW output the camera does not record to the card.

OM SYSTEM		—
AudioBuilt-in stereo microphones; 3.5 mm microphone and headphone jacks; 96 kHz / 24-bit linear PCM OM SYSTEM—
Card slotOne SD slot; SDHC/SDXC, UHS-I and UHS-II

4K/C4K, ALL-Intra and 100 fps or faster recording require a UHS speed class 3 card or better.

OM SYSTEM		—
Ports and wirelessUSB-C (USB 3); HDMI Type D; microphone and headphone; hot shoe; sync socket; Bluetooth Low Energy and Wi-Fi

Wired remote control is not supported.

OM SYSTEM		—
BatteryBLX-1 lithium-ion battery; 7.2 V / 2280 mAh; approx. 500 charge cycles OM SYSTEMNP-FZ100; approx. 420 shots with EVF, 520 with LCD (CIPA) Sony
Battery lifeApprox. 590 shots in standard mode, approx. 1040 in quick sleep mode; 120 min video (CIPA)

Approximate values measured with a KIOXIA 64 GB UHS-II card.

OM SYSTEM		—
USB charging and powerThe battery charges in the camera over USB-C; USB PD can power the camera externally

Powering needs a USB PD source rated at 27 W or more (9 V 3 A, 15 V 2 A or 15 V 3 A).

OM SYSTEM		—
Dimensions139.3 × 88.9 × 45.8 mm (excluding protrusions) OM SYSTEM—
Weight413 g body only; 496 g with battery and card OM SYSTEM—
DurabilityMagnesium alloy body; IP53 splash and dust resistance; freezeproof to −10 °C

IP53 needs a compatible splash- and dust-proof lens; not applicable while charging or with HDMI connected.

OM SYSTEM		—
Dust reductionSupersonic Wave Filter OM SYSTEM—
SoftwareOM Image Share (OI.Share) app; OM Workspace RAW processing software OM SYSTEM—
Continuous shooting—30 fps with electronic shutter; 10 fps with mechanical shutter; pre-capture

Pre-capture also records frames from just before the shutter is fully pressed, helping catch unpredictable moments such as birds or sport.

Sony
In-body stabilisation—5-axis; 8.5 stops at centre, 7.0 at periphery (CIPA 2024, with FE 50 mm F1.2 GM)

The stop figure applies to the stated lens and test condition; the effect differs with other lenses.

Sony
Viewfinder and screen—0.64-inch Quad-XGA OLED EVF, 9,437,184 dots, 0.90×, 60/120/240 fps; 3.2-inch 2,095,104-dot touch screen with four-axis articulation

The screen tilts 98° up and 40° down, swings 180° sideways and rotates 270°, suiting both high/low-angle stills and video.

Sony
Shutter speeds—Electronic 1/32000–30 s; mechanical 1/8000–30 s; Bulb Sony
Video—8K (7680 × 4320) 30p/25p/24p XAVC HS; 4K up to 120p; Full HD 120p and 240 fps slow motion; 10-bit 4:2:2

XAVC HS uses H.265/HEVC and XAVC S H.264; 10-bit 4:2:2 leaves more room for colour grading.

Sony
Card slots—2 slots; each accepts CFexpress Type A or SD (UHS-I/UHS-II)

CFexpress Type A offers much higher write speeds than SD for 8K and long bursts.

Sony
Connections—USB-C (10 Gbit/s, USB 3.2); 2.5GBASE-T wired LAN; Wi-Fi 5 GHz/2.4 GHz (802.11ac); Bluetooth 5.0; full-size HDMI (Type-A)

Wired 2.5 GbE is aimed at sports and news photographers sending files quickly from the field.

Sony
Size and weight—136.1 × 96.9 × 82.9 mm; approx. 743 g with battery and card (body only 658 g) Sony