OM System
OM-1
First OM System flagship with cross-type AF and 50fps burst.
$2,199
Launch priceReleased Feb 2022
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 1.9 years newer.
Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.
Wins
OM-1
Wins
OM-1 II
17 categories tied
Which would you choose?
TL;DR — Key differences
- BOM-1 II has higher IBIS effectiveness (8.5 stops vs 8 stops)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to shareOM-1
135 × 92 × 73 mm
599 g (1.32 lb / 21.13 oz)
Credit card
85.6 × 54 mm
for scale
OM-1 II
135 × 92 × 73 mm
599 g (1.32 lb / 21.13 oz)
OM-1 and OM-1 II share virtually identical body dimensions.
OM-1 and OM-1 II weigh the same.
Depth (front-to-back): 73mm OM-1 · 73mm OM-1 II
Sensor size, to scale
OM-1
17.4 × 13 mm · Compact / large-type
226 mm² area
OM-1 II
17.4 × 13 mm · Compact / large-type
226 mm² area
Lens ecosystem
Native lens selection
OM-1
✓ more lensesMicro Four Thirds
130+
native lenses available
OM-1 II
✓ more lensesMicro 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
OM-1
No major advantages on measured specs.
Reasons to choose
OM-1 II
IBIS effectiveness
8.5 stops vs 8 stops — higher is better
Both cameras share
- ✓Resolution — Both 20.4 MP
- ✓ISO min (native) — Both 80
- ✓ISO max (native) — Both 102,400
- ✓AF points / zones — Both 1053
- ✓AF frame coverage — Both 100 %
- ✓Eye AF — Both support eye af
Pros & cons at a glance
Editorially curated highlights and trade-offs.
OM-1
Pros
- ✓50fps burst
- ✓Great weather sealing
- ✓Computational modes
Cons
- –MFT sensor
- –Superseded by OM-1 II
- –Smaller than FF
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 OM-1 and OM-1 II at major authorized retailers.
OM System OM-1
OM System OM-1 II
Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, OM-1 or OM-1 II?
OM-1 scores 10.0/10 versus 10.0/10 for OM-1 II — 120fps burst — pro-level action capture.
What's the resolution difference between the OM-1 and OM-1 II?
Both cameras share the same 20.4 MP resolution.
Do the OM-1 and OM-1 II have in-body image stabilization?
OM-1 has 8-stop in-body image stabilization, while OM-1 II has 8.5-stop in-body image stabilization.
Which shoots faster bursts — the OM-1 or the OM-1 II?
OM-1 reaches 120 fps electronic. OM-1 II reaches 120 fps electronic.
What's the weight difference between the OM-1 and OM-1 II?
Both bodies weigh roughly 599 g.
Do the OM-1 and OM-1 II record 4K video?
OM-1: 4K up to 60p. OM-1 II: 4K up to 60p.
Are the OM-1 and OM-1 II weather sealed?
OM-1: Yes. OM-1 II: Yes.
Which has better battery life?
Rated battery life is 520 shots (CIPA) for the OM-1 and 520 shots for the OM-1 II, giving the OM-1 II the edge.
How much does each cost?
OM-1 launched at $2,199 and OM-1 II at $2,399. The OM-1 is $200 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way OM-1 vs OM-1 II vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.