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Head-to-head

Nikon - Z 8 vs OM System - OM-1 Mark II

Last updated · How Mars Score works
Z 8NIKONRENDER
Probe A
Nikon
Z 8
61.1/ 100C
Sensor61· 35%
Video· 25%
Autofocus· 20%
Body & Controls· 20%
OM-1 Mark IIOM SYSTEMRENDER
Probe B
OM System
OM-1 Mark II
42.8/ 100D
Sensor43· 35%
Video· 25%
Autofocus· 20%
Body & Controls· 20%
Quick verdict

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.

Buying advice

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.
Full readout

Spec comparison

Sensor

SpecNikon - Z 8OM System - OM-1 Mark II
Sensor sizeFull FrameleadFour Thirds
Megapixels45 MPlead20 MP
Max ISO102400102400

Video

SpecNikon - Z 8OM System - OM-1 Mark II
Max video8Klead4K60
RAW videotrueleadfalse
Log profiletruetrue

Autofocus

SpecNikon - Z 8OM System - OM-1 Mark II
AF points4931053lead
Eye AFtruetrue
In-body stabilizationtruetrue

Body & Controls

SpecNikon - Z 8OM System - OM-1 Mark II
Weight910 g599 glead
Weather sealedtruetrue
Dual card slotstruetrue
Drill down

Spec-level deep dives

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