OM SYSTEM OM-3 / Nikon Z6III

OM SYSTEM OM-3: OM-3 · body only

Nikon Z6III: Camera body · Nikon Z mount

SpecificationOM SYSTEM OM-3Nikon Z6III
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 SYSTEMFull-frame; partially stacked CMOS; 24.5 effective MP Nikon
ProcessorTruePic X OM SYSTEMEXPEED 7 Nikon
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 SYSTEM100–64000 Nikon
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 SYSTEMHybrid phase/contrast; 273 points; 9 subject types; −10 to +19 EV

−10 EV applies to AF-S in photo mode at ISO 100 with an f/1.2 lens.

Nikon
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		0.5-inch OLED; about 5.76 million dots; 4000 cd/m²; 0.8× magnification

About 100% frame coverage.

Nikon
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 SYSTEMMechanical 1/8000–30 s; electronic up to 1/16,000 s

Up to 900 s in M mode; flash sync 1/200 s (1/60 s with electronic shutter).

Nikon
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 SYSTEMEN-EL15c

EN-EL15b/a also fit but give fewer shots per charge; the MB-N14 grip holds two batteries.

Nikon
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—
Video—6K/60p RAW; 4K/120p; Full HD/240p (mode restrictions differ) Nikon
Lens mount—Nikon Z Nikon
Card slots—CFexpress/XQD and UHS-II SD Nikon
Display—3.2-inch touch, vari-angle; about 2.1 million dots Nikon
Stabilisation—5-axis in-body sensor-shift VR

The product page gives no stop rating.

Nikon
Burst shooting—Extended high speed: mechanical about 14, electronic about 20 fps; up to 120 fps with High-Speed Frame Capture+

Pre-Release Capture records up to 1 second before the shutter is fully pressed.

Nikon
Connections—USB-C SuperSpeed; full-size HDMI (Type A); 3.5 mm mic and headphone; Wi-Fi and Bluetooth Nikon
Operating environment—−10 to 40 °C; 85% humidity or less

Nikon describes Z8-level robustness, but the page gives no IP rating.

Nikon
Size and weight—138.5 × 101.5 × 74 mm; 760 g with battery and card, 670 g body only Nikon
Service advisory—Parts issue that can make cameras inoperable within identified serial-number ranges

17 March 2026: Nikon offers eligible units free parts/repair even outside warranty. Not all Z6III units are affected; use the official serial-number check and applicable regional service terms.

Nikon
Bird detection—Dedicated bird detection in stills and video

Added in C 2.00.

Nikon
Auto capture—Motion, distance and subject-detection criteria

C 2.00; distance criteria require a NIKKOR Z lens.

Nikon
C 2.01 fixes—Rare burst overexposure in M mode; freezes under some F-mount lens conditions

Not a single explanation for every owner-reported freeze or a software remedy for the physical service advisory.

Nikon