Head to head · specs cited · drawn to scale
Nikon Z5 II vs OM System OM-1 Mark II
Every spec below is quoted from the makers' official pages — where a figure isn't published we say so rather than guess. Sizes are drawn at true relative scale from published dimensions, and the bag-fit row is computed against our measured bag catalog.
The 3 biggest published differences
- Burst — electronic: the Z5 II leads at Approx. 15 fps (silent mode on); up to 30 fps electronic shutter mode vs the OM-1 II's Pro Capture SH1 approx. 120fps; SH2 approx. 50fps (213-frame RAW buffer at 120fps).
- EVF resolution: the OM-1 II leads at Approx. 5.76M dots vs the Z5 II's 0.5-in. (1.27-cm), approx. 3690k-dot OLED.
- EVF magnification: the OM-1 II leads at Approx. 1.48x - 1.65x vs the Z5 II's Approx. 0.8x.
 Z5 II Nikon Z |  OM-1 II Micro Four Thirds | |
|---|---|---|
| Overview | ||
| Type | Mirrorless | Mirrorless |
| Format | 35.9 x 23.9 mm full-frame/FX-format | 4/3'' (Micro Four Thirds) |
| Lens mount | Nikon Z | Micro Four Thirds |
| Released | 2025 | —, not published |
| Sensor & Image | ||
| Sensor type | CMOS | Stacked BSI Live MOS |
| Sensor size | 35.9 x 23.9 mm full-frame/FX-format | 4/3'' (Micro Four Thirds) |
| Resolution (MP) | 24.5 | 20.4 |
| In-body stabilisation | —, not published | Up to 8.5 EV steps (Sync IS) |
| ISO range | ISO 100 (expandable to Lo 1/Hi 2, 50-204800 equivalent) | LOW - 102400 (native/manual range) |
| Autofocus & Speed | ||
| AF system | Hybrid phase-detection/contrast AF with AF assist; AF-A focus mode | TTL phase difference detection + contrast detection, 1053 points / cross-type phase detection AF |
| Subject detection | 273 focus points (single-point); 299 (auto-area); detection range -10 to +19 EV | Aircrafts, Birds, Bullet trains, Cats, Dogs, Formula cars, Helicopters, Human, Motorcycles, Rally cars, Standard trains, Steam locomotives |
| Burst — mechanical | Approx. 7.8 fps | Approx. 10fps |
| Burst — electronic | Approx. 15 fps (silent mode on); up to 30 fps electronic shutter mode | Pro Capture SH1 approx. 120fps; SH2 approx. 50fps (213-frame RAW buffer at 120fps) |
| Video | ||
| Max video | 4K UHD (3840x2160) 60p | 4096x2160 (C4K) / 3840x2160 (4K) 60p |
| Codecs / sampling | N-RAW (12-bit), H.265/HEVC, H.264/AVC | MOV (MPEG-4AVC/H.264), MOV (HEVC/H.265) |
| Recording limit | —, not published | Unlimited |
| Viewfinder & Screen | ||
| EVF resolution | 0.5-in. (1.27-cm), approx. 3690k-dot OLED | Approx. 5.76M dots |
| EVF magnification | Approx. 0.8x | Approx. 1.48x - 1.65x |
| Rear screen | 3.2-in. (8-cm), approx. 2100k-dot vari-angle TFT touchscreen | 3.0 inch Vari-angle Touch LCD, approx. 1.62M dots |
| Body & Handling | ||
| Dimensions (W×H×D) | 134 × 100.5 × 72 mm | 134.8 × 91.6 × 72.7 mm |
| Weight (body) | 700 g | 599 g |
| Weather sealing | Front, back, and top covers made from magnesium alloy delivering dust-and-drip-resistance | IP53 certified; freezeproof to -10°C |
| Shutter durability | —, not published | 400,000 shots |
| Power & Storage | ||
| Battery life (CIPA) | Approx. 330 shots (viewfinder, energy saving off); approx. 350 shots (monitor, energy saving off); up to 380/390 with energy saving on | 520 shots (using BLX-1) |
| Battery | EN-EL15c | BLX-1 Lithium-Ion Battery |
| Card slots | Dual SD UHS-II slots | SD Memory Card (SDHC, SDXC, UHS-I, UHS-II compatible) |
| Connectivity | ||
| USB | USB Type-C (SuperSpeed USB) | USB 3 Type C |
| Wireless | Wi-Fi IEEE 802.11b/g/n/a/ac; Bluetooth 5.0 | Wi-Fi and Bluetooth |
| HDMI | Type D HDMI connector | Micro connector (Type D) |
| Price | ||
| Launch price | $1,699.95 (body only) | $1,999.99 (body, as listed) |
| Size, to scale | ||
Front view, drawn at the same scale from each maker's published W×H (mm). | ||
| Smallest bag that fits | ||
| Body + standard zoom | Think Tank Retrospective 4 V2.0 Fits with 24-120 f/4 · View at B&H Photo Video | Think Tank Mirrorless Mover 20 V2 Fits body only · View at B&H Photo Video |
Sources
“35.9 x 23.9 mm CMOS sensor (full-frame/FX-format), effective pixels 24.5 million; mechanical shutter approx. 7.8 fps, electronic/extended approx. 15 fps; monitor 8-cm/3.2-in., approx. 2100k-dot vari-angle TFT.”
“4/3'' Stacked BSI Live MOS sensor, 20.4 Megapixels effective; Up to 8.5 EV steps image stabilization; 1053 points / cross-type phase detection AF; Pro Capture SH1 Approx. 120fps; From $1,999.99”
Spec values are the manufacturers' published figures, compared factually — we don't rank cameras. Fit verdicts are planning estimates from published interior dimensions, not guarantees. See methodology.
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