Nikon
D850
Legendary 45MP DSLR still favored by landscape and studio photographers.
$3,299
Launch priceReleased Aug 2017
OM System
OM-1 II
Flagship MFT with stacked sensor, 120fps, and pro wildlife features.
$2,399
Launch priceReleased Feb 2024
OM-1 II is 6.4 years newer.
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Wins
D850
Wins
OM-1 II
Which would you choose?
TL;DR — Key differences
- BOM-1 II has higher IBIS effectiveness (8.5 stops vs 0 stops)
- BOM-1 II has higher Burst (electronic) (120 fps vs 7 fps)
- BOM-1 II has higher AF points / zones (1053 vs 153)
- BOM-1 II has higher 1080p max frame rate (240 fps vs 59.94 fps)
- BOM-1 II has higher ISO max (native) (102,400 vs 25,600)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
D850
146 × 124 × 79 mm
1005 g (2.22 lb / 35.45 oz)
Credit card
85.6 × 54 mm
for scale
OM-1 II
135 × 92 × 73 mm
599 g (1.32 lb / 21.13 oz)
D850 is 11mm wider, 32mm taller, and 6mm thicker than OM-1 II.
D850 is 406 g heavier than OM-1 II.
Depth (front-to-back): 79mm D850 · 73mm OM-1 II
Back view, to scale
Width × Height — same proportions as the front of the body.
D850
146 × 124 mm
Credit card
85.6 × 54 mm
OM-1 II
135 × 92 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
D850
146 × 79 mm
Credit card
85.6 × 54 mm
OM-1 II
135 × 73 mm
Sensor size, to scale
D850
35.9 × 23.9 mm · Full Frame
858 mm² area
OM-1 II
17.4 × 13 mm · Compact / large-type
226 mm² area
3.8× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
D850
✓ more lensesNikon F
270+
native lenses available
OM-1 II
Micro Four Thirds
130+
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
D850
Dimensions (W×H×D mm)
Adds 146, 124, 78.5
Card types
Adds SD/SDHC/SDXC, CFexpress Type B / XQD
Battery life (CIPA)
1840 shots vs 520 shots — higher is better
Resolution
45.7 MP vs 20.4 MP — higher is better
Card slots
2 vs 1 — higher is better
Headphone jack (3.5mm)
Only D850 supports it
Codecs
Adds MP4
ISO min (native)
64 vs 80 — lower is better
Reasons to choose
OM-1 II
AF low-light limit
-8 EV vs -4 EV — lower is better
Subject recognition
Adds People, Birds, Animals…
IBIS effectiveness
8.5 stops vs 0 stops — higher is better
Dimensions (W×H×D mm)
Adds 134.8, 91.6, 72.7
Card types
Adds SD UHS-II, SD UHS-I
Burst (electronic)
120 fps vs 7 fps — higher is better
AF points / zones
1053 vs 153 — higher is better
1080p max frame rate
240 fps vs 59.94 fps — higher is better
Both cameras share
- ✓Weather sealing — Both support weather sealing
- ✓Touchscreen — Both support touchscreen
- ✓Wi-Fi — Both support wi-fi
- ✓Bluetooth — Both support bluetooth
- ✓Microphone jack (3.5mm) — Both support microphone jack (3.5mm)
Pros & cons at a glance
Editorially curated highlights and trade-offs.
D850
Pros
- ✓45MP DSLR classic
- ✓Excellent dynamic range
- ✓Huge F-mount lens library
Cons
- –DSLR mirror system
- –Heavy
- –No modern mirrorless AF
OM-1 II
Pros
- ✓120fps stills
- ✓Stacked MFT
- ✓IP53 weather sealing
- ✓Computational features
Cons
- –MFT sensor size
- –Smaller ecosystem
- –Menu complexity
Decided which one is right for you?
Compare live prices for the D850 and OM-1 II at major authorized retailers.
Nikon D850
OM System OM-1 II
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, D850 or OM-1 II?
OM-1 II scores 10.0/10 versus 1.5/10 for D850 — 120fps burst — pro-level action capture.
What's the resolution difference between the D850 and OM-1 II?
D850 is 45.7 MP and OM-1 II is 20.4 MP, so the D850 captures more detail for cropping and large prints.
Do the D850 and OM-1 II have in-body image stabilization?
D850 does not have IBIS, while OM-1 II has 8.5-stop in-body image stabilization.
Which shoots faster bursts — the D850 or the OM-1 II?
D850 reaches 7 fps electronic. OM-1 II reaches 120 fps electronic.
What's the weight difference between the D850 and OM-1 II?
D850 weighs 1005 g and OM-1 II weighs 599 g, so the OM-1 II is 406 g lighter.
Do the D850 and OM-1 II record 4K video?
D850: 4K up to 29.97p. OM-1 II: 4K up to 60p.
Are the D850 and OM-1 II weather sealed?
D850: Yes. OM-1 II: Yes.
Which has better battery life?
Rated battery life is 1,840 shots (CIPA) for the D850 and 520 shots for the OM-1 II, giving the D850 the edge.
How much does each cost?
D850 launched at $3,299 and OM-1 II at $2,399. The OM-1 II is $900 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way D850 vs OM-1 II vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.
Product images courtesy of Nikon and OM System press materials.