OM System
OM-1 II
Flagship MFT with stacked sensor, 120fps, and pro wildlife features.
$2,399
Released Feb 2024
Panasonic
Lumix S5 II
Phase-detect L-mount hybrid with 6K open gate and strong video tools.
$1,999
Released Jan 2023
OM-1 II is 1.1 years newer.
Wins
OM-1 II
Wins
Lumix S5 II
4 categories tied
TL;DR — Key differences
- AOM-1 II has higher Burst (electronic) (120 fps vs 30 fps)
- AOM-1 II has higher ISO max (native) (102,400 vs 51,200)
- BLumix S5 II has higher Card slots (2 vs 1)
- AOM-1 II has higher IBIS effectiveness (8.5 stops vs 5 stops)
- AOM-1 II has higher EVF resolution (5,760,000 vs 3,680,000)
Key specs at a glance
Size and weight, to scale
OM-1 II
135 × 92 × 73 mm
599 g (1.32 lb / 21.13 oz)
Lumix S5 II
134 × 102 × 90 mm
740 g (1.63 lb / 26.10 oz)
OM-1 II is 11mm shorter and 17mm thinner than Lumix S5 II but it is also 1mm wider.
OM-1 II is 141 g lighter than Lumix S5 II.
Depth (front-to-back): 73mm OM-1 II · 90mm Lumix S5 II
Sensor size, to scale
OM-1 II
17.4 × 13 mm · Compact / large-type
226 mm² area
Lumix S5 II
35.6 × 23.8 mm · Full Frame
847 mm² area
3.7× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
OM-1 II
✓ more lensesMicro Four Thirds
130+
native lenses available
Lumix S5 II: mount data unavailable
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 II
AF low-light limit
-8 EV vs -6 EV — lower is better
Subject recognition
Adds People, Birds, Animals…
Dimensions (W×H×D mm)
Adds 134.8, 91.6, 72.7
Burst (electronic)
120 fps vs 30 fps — higher is better
ISO max (native)
102,400 vs 51,200 — higher is better
Pre-Capture / Pre-Release
Only OM-1 II supports it
Card types
Adds SD UHS-I
IBIS effectiveness
8.5 stops vs 5 stops — higher is better
Reasons to choose
Lumix S5 II
Subject recognition
Adds Human, Face, Eye…
Dimensions (W×H×D mm)
Adds 134.3, 102.3, 90.1
Internal RAW video
Only Lumix S5 II supports it
Card slots
2 vs 1 — higher is better
Headphone jack (3.5mm)
Only Lumix S5 II supports it
Max video bit rate
200 Mbps vs 150 Mbps — higher is better
Codecs
Adds MP4
Resolution
24.2 MP vs 20.4 MP — higher is better
Both cameras share
- ✓AF frame coverage — Both 100 %
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓4K max frame rate — Both 60 fps
- ✓In-body stabilization — Both support in-body stabilization
- ✓Weather sealing — Both support weather sealing
Pros & cons at a glance
Editorially curated highlights and trade-offs.
OM-1 II
Pros
- ✓120fps stills
- ✓Stacked MFT
- ✓IP53 weather sealing
- ✓Computational features
Cons
- –MFT sensor size
- –Smaller ecosystem
- –Menu complexity
Lumix S5 II
Pros
- ✓Phase-detect AF finally
- ✓6K open gate
- ✓IBIS
- ✓Great value
Cons
- –24MP resolution
- –L-mount size
- –AF still behind Canon/Sony
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for portraits, OM-1 II or Lumix S5 II?
Lumix S5 II scores 8.5/10 versus 4.0/10 for OM-1 II — 24.2MP — solid resolution.
What's the resolution difference between the OM-1 II and Lumix S5 II?
OM-1 II is 20.4 MP and Lumix S5 II is 24.2 MP, so the Lumix S5 II captures more detail for cropping and large prints.
Do the OM-1 II and Lumix S5 II have in-body image stabilization?
OM-1 II has 8.5-stop in-body image stabilization, while lumix S5 II has 5-stop in-body image stabilization.
Which shoots faster bursts — the OM-1 II or the Lumix S5 II?
OM-1 II reaches 120 fps electronic. Lumix S5 II reaches 30 fps electronic.
What's the weight difference between the OM-1 II and Lumix S5 II?
OM-1 II weighs 599 g and Lumix S5 II weighs 740 g, so the OM-1 II is 141 g lighter.
Do the OM-1 II and Lumix S5 II record 4K video?
OM-1 II: 4K up to 60p. Lumix S5 II: 6K Open Gate (max), 4K up to 60p.
Are the OM-1 II and Lumix S5 II weather sealed?
OM-1 II: Yes. Lumix S5 II: Yes.
Which has better battery life?
Rated battery life is 520 shots (CIPA) for the OM-1 II and 370 shots for the Lumix S5 II, giving the OM-1 II the edge.
How much does each cost?
OM-1 II launched at $2,399 and Lumix S5 II at $1,999. The Lumix S5 II is $400 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.