Between the Z 8 and OM-1 Mark II, the Z 8 comes out ahead in megapixels and sensor size, while the OM-1 Mark II wins on weight and af points. Overall, the Z 8 scores 61.1 and the OM-1 Mark II scores 42.8 on our Mars Score.
Which should you buy?
The Z 8 is the clear pick on raw spec strength, leading by 18.3 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the Z 8 if you care most about megapixels and sensor size. The biggest gaps in its favor are megapixels, sensor size, max video.
Pick the OM-1 Mark II if you carry the device everywhere and weight or thickness has been the deciding factor before. Its strongest claims are weight, af points.
Both ship with comparable in-body stabilization, log profile, so those specs don't separate the two — focus on the differences below.
Bottom line: the Z 8 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Nikon - Z 8 wins
- ▲Megapixels — 125.00% more. 45 MP vs 20 MP.
- ▲Sensor size: Full Frame (vs Four Thirds).
- ▲Max video: 8K (vs 4K60).
Why OM System - OM-1 Mark II wins
- ▲Weight — 311.00 g less. 599 vs 910.
- ▲AF points — 113.59% more. 1053 vs 493.
Spec comparison
Sensor
| Spec | Nikon - Z 8 | OM System - OM-1 Mark II |
|---|---|---|
| Sensor sizeⓘ | Full Framelead | Four Thirds |
| Megapixels | 45 MPlead | 20 MP |
| Max ISO | 102400 | 102400 |
Video
| Spec | Nikon - Z 8 | OM System - OM-1 Mark II |
|---|---|---|
| Max video | 8Klead | 4K60 |
| RAW video | truelead | false |
| Log profileⓘ | true | true |
Autofocus
| Spec | Nikon - Z 8 | OM System - OM-1 Mark II |
|---|---|---|
| AF pointsⓘ | 493 | 1053lead |
| Eye AFⓘ | true | true |
| In-body stabilizationⓘ | true | true |
Body & Controls
| Spec | Nikon - Z 8 | OM System - OM-1 Mark II |
|---|---|---|
| Weight | 910 g | 599 glead |
| Weather sealedⓘ | true | true |
| Dual card slotsⓘ | true | true |
Frequently asked
Spec-level deep dives
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