DJI
Osmo Nano
Ultra-compact modular action camera with 1/1.3-inch sensor, 35MP stills, 4K 60p video, 4K 120fps slow motion, and a Multifunctional Vision Dock.
$299
Released Sep 2025
Nikon
Z9
Flagship stacked mirrorless with 45MP, 8K video, and no mechanical shutter.
$5,899
Released Oct 2021
Osmo Nano is 3.8 years newer.
Wins
Osmo Nano
Wins
Z9
2 categories tied
TL;DR — Key differences
- BZ9 has higher AF points / zones (493 vs 0)
- AOsmo Nano has higher Burst (mechanical) (6 fps vs 0 fps)
- AOsmo Nano has lower Weight (52 g vs 1340 g)
- BZ9 has higher RAW buffer depth (1000 frames vs 60 frames)
- BZ9 has higher Burst (electronic) (120 fps vs 15 fps)
Key specs at a glance
Size and weight, to scale
Osmo Nano
57 × 30 × 28 mm
52 g (0.11 lb / 1.83 oz)
Z9
149 × 150 × 91 mm
1340 g (2.95 lb / 47.27 oz)
Osmo Nano is 92mm narrower, 120mm shorter, and 63mm thinner than Z9.
Osmo Nano is 1288 g lighter than Z9.
Depth (front-to-back): 28mm Osmo Nano · 91mm Z9
Back view, to scale
Width × Height — same proportions as the front of the body.
Osmo Nano
57 × 30 mm
Z9
149 × 150 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
Osmo Nano
57 × 28 mm
Z9
149 × 91 mm
Sensor size, to scale
Z9
35.9 × 23.9 mm · Full Frame
858 mm² area
Lens ecosystem
Native lens selection
Osmo Nano: mount data unavailable
Z9
✓ more lensesNikon Z
90+
native lenses available
Counts include current first-party and major third-party native autofocus lenses.
Use-case scoring
Which one for what?
Algorithmic scores from verified specs · 10 = best in class
Why pick one over the other
Reasons to choose
Osmo Nano
Burst (mechanical)
6 fps vs 0 fps — higher is better
Codecs
Adds HEVC
Dimensions (W×H×D mm)
Adds 57.3, 29.5, 28
Card types
Adds microSD
Weight
52 g vs 1340 g — lower is better
Reasons to choose
Z9
AF points / zones
493 vs 0 — higher is better
Subject recognition
Adds People, Birds, Dogs…
Codecs
Adds N-RAW, ProRes RAW HQ, ProRes 422 HQ…
Dimensions (W×H×D mm)
Adds 149, 149.5, 90.5
Card types
Adds CFexpress Type B / XQD, CFexpress Type B / XQD
RAW buffer depth
1000 frames vs 60 frames — higher is better
Burst (electronic)
120 fps vs 15 fps — higher is better
Eye AF
Only Z9 supports it
Both cameras share
- ✓ISO max (native) — Both 25,600
- ✓Pre-Capture / Pre-Release — Both support pre-capture / pre-release
- ✓IBIS effectiveness — Both 6 stops
- ✓Weather sealing — Both support weather sealing
- ✓Touchscreen — Both support touchscreen
- ✓Wi-Fi — Both support wi-fi
Pros & cons at a glance
Editorially curated highlights and trade-offs.
Osmo Nano
Pros
- ✓52g camera body
- ✓1/1.3-inch sensor
- ✓4K 120fps slow motion
- ✓10m waterproof camera body
Cons
- –Dock is only IPX4
- –Fixed ultra-wide lens
- –Smaller battery in camera body
Z9
Pros
- ✓45MP stacked
- ✓8K 60p internal
- ✓120fps stills
- ✓Pro build
Cons
- –Heavy body
- –Expensive
- –Large files
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for portraits, Osmo Nano or Z9?
Z9 scores 8.5/10 versus 2.5/10 for Osmo Nano — 45.7MP — excellent for large prints and crops.
What's the resolution difference between the Osmo Nano and Z9?
Osmo Nano is 35 MP and Z9 is 45.7 MP, so the Z9 captures more detail for cropping and large prints.
Do the Osmo Nano and Z9 have in-body image stabilization?
Osmo Nano does not have IBIS, while z9 has 6-stop in-body image stabilization.
Which shoots faster bursts — the Osmo Nano or the Z9?
Osmo Nano reaches 15 fps electronic. Z9 reaches 120 fps electronic.
What's the weight difference between the Osmo Nano and Z9?
Osmo Nano weighs 52 g and Z9 weighs 1340 g, so the Osmo Nano is 1288 g lighter.
Do the Osmo Nano and Z9 record 4K video?
Osmo Nano: 4K up to 60p. Z9: 8K UHD (max), 4K up to 120p.
Are the Osmo Nano and Z9 weather sealed?
Osmo Nano: Yes. Z9: Yes.
Which has better battery life?
Rated battery life is 640 shots (CIPA) for the Osmo Nano and 740 shots for the Z9, giving the Z9 the edge.
How much does each cost?
Osmo Nano launched at $299 and Z9 at $5,899. The Osmo Nano is $5,600 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of DJI and Nikon press materials.