OM System OM-1 Mark II

A standout pro Micro Four Thirds body, the OM-1 Mark II pairs a 20.4 MP stacked sensor with 8.5-stop IBIS, 4K60 video, and IP53 weather sealing in a 599 g shell. It is a wildlife and birding favorite, leveraging small MFT telephoto glass and deep computational features. Skip it for full-frame low-light or shallow-DOF looks, or maximum-resolution landscape work where 20 MP is limiting.
Specifications
| Spec | Value | Verification |
|---|---|---|
| lens mount | mft | high confidence |
| sensor format | Micro Four Thirds | high confidence |
| megapixels | 20.4 | high confidence |
| max video | 4K60 | unsourced detail |
| ibis | yes | unsourced detail |
| body style | hybrid | unsourced detail |
| card slot types | Sd Uhs Ii | sourced |
| weight (g) | 599 | sourced |
5/8 specs sourced. Amber rows are unverified — we show them as reported, not confirmed.
Best for
- Wildlife / birding on the go — 20MP stacked sensor, 8.5-stop IBIS, IP53 weather sealing
- Telephoto reach with small, light MFT glass and deep computational features
Who should skip this
- Full-frame low-light / shallow-DOF work
- Maximum-resolution landscape (the high-res mode helps but the sensor is 20MP)
Ecosystem fit
Compatibility
Built around Micro Four Thirds. Make sure the rest of your build uses the same platform before you buy — mismatched sockets, mounts or standards are the most common return reason. Check it in the builder →
Upgrade path
Outgrow it and the Panasonic LUMIX GH7 is the natural next step up in cameras. See it →
Sources (7 · 7 high-confidence)
Report an issue with this data →Every product carries its receipts. Field-level sources pin individual specs; flagged fields say so instead of guessing. Sources last retrieved 2026-06-12.
- primaryOM SYSTEM OM-1 Mark II official product pagemanufacturer · high
- productOM SYSTEM OM-1 Mark II specifications PDFmanufacturer · high
- card_slot_typesOM-1 Mark II — dual SD slots (both UHS-II)manufacturer · high
- lens_mountOM-1 Mark II — Micro Four Thirds mountmanufacturer · high
- megapixelsOM-1 Mark II — 20.4 effective megapixelsmanufacturer · high
- sensor_formatOM-1 Mark II — 4/3 stacked BSI Live MOS sensormanufacturer · high
- weight_gOM-1 Mark II — approx. 599 g with battery and card (511 g body)manufacturer · high