OM System
OM-1 II
Flagship MFT with stacked sensor, 120fps, and pro wildlife features.
$2,399
Launch priceReleased Feb 2024
OM System
PEN-F
Retro-styled MFT rangefinder body with 20MP sensor, built-in EVF, and classic dial controls.
$1,199
Launch priceReleased Jan 2016
OM-1 II is 8 years newer.
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Wins
OM-1 II
Wins
PEN-F
6 categories tied
Which would you choose?
TL;DR — Key differences
- AOM-1 II has higher Burst (electronic) (120 fps vs 15 fps)
- AOM-1 II has higher ISO max (native) (102,400 vs 25,600)
- AOM-1 II has higher EVF resolution (5,760,000 vs 2,360,000)
- BPEN-F has higher Card slots (2 vs 1)
- AOM-1 II has higher Burst (mechanical) (10 fps vs 6 fps)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to shareOM-1 II
135 × 92 × 73 mm
599 g (1.32 lb / 21.13 oz)
Credit card
85.6 × 54 mm
for scale
PEN-F
125 × 72 × 37 mm
427 g (0.94 lb / 15.06 oz)
OM-1 II is 10mm wider, 20mm taller, and 35mm thicker than PEN-F.
OM-1 II is 172 g heavier than PEN-F.
Depth (front-to-back): 73mm OM-1 II · 37mm PEN-F
Sensor size, to scale
OM-1 II
17.4 × 13 mm · Compact / large-type
226 mm² area
PEN-F
17.3 × 13 mm · Micro Four Thirds
225 mm² area
Lens ecosystem
Native lens selection
OM-1 II
✓ more lensesMicro Four Thirds
130+
native lenses available
PEN-F
✓ 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 II
AF low-light limit
-8 EV vs -7 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 15 fps — higher is better
ISO max (native)
102,400 vs 25,600 — higher is better
EVF resolution
5,760,000 vs 2,360,000 — higher is better
Weather sealing
Only OM-1 II supports it
Card types
Adds SD UHS-I
Reasons to choose
PEN-F
Subject recognition
Adds Human, Animal, Bird…
Dimensions (W×H×D mm)
Adds 124.8, 72.1, 37.3
Card slots
2 vs 1 — higher is better
Headphone jack (3.5mm)
Only PEN-F supports it
Weight
427 g vs 599 g — lower is better
Battery life (CIPA)
640 shots vs 520 shots — higher is better
Both cameras share
- ✓AF points / zones — Both 1053
- ✓AF frame coverage — Both 100 %
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Pre-Capture / Pre-Release — Both support pre-capture / pre-release
- ✓4K max frame rate — Both 60 fps
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
PEN-F
Pros
- ✓Beautiful retro design
- ✓Built-in EVF
- ✓20MP MFT
- ✓Creative dial modes
Cons
- –No IBIS
- –MFT sensor
- –Discontinued
Decided which one is right for you?
Compare live prices for the OM-1 II and PEN-F at major authorized retailers.
OM System OM-1 II
OM System PEN-F
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, OM-1 II or PEN-F?
OM-1 II scores 10.0/10 versus 7.5/10 for PEN-F — 120fps burst — pro-level action capture.
What's the resolution difference between the OM-1 II and PEN-F?
OM-1 II is 20.4 MP and PEN-F is 20.3 MP, so the OM-1 II captures more detail for cropping and large prints.
Do the OM-1 II and PEN-F have in-body image stabilization?
OM-1 II has 8.5-stop in-body image stabilization, while PEN-F has 6-stop in-body image stabilization.
Which shoots faster bursts — the OM-1 II or the PEN-F?
OM-1 II reaches 120 fps electronic. PEN-F reaches 15 fps electronic.
What's the weight difference between the OM-1 II and PEN-F?
OM-1 II weighs 599 g and PEN-F weighs 427 g, so the PEN-F is 172 g lighter.
Do the OM-1 II and PEN-F record 4K video?
OM-1 II: 4K up to 60p. PEN-F: 4K up to 60p.
Are the OM-1 II and PEN-F weather sealed?
OM-1 II: Yes. PEN-F: No.
Which has better battery life?
Rated battery life is 520 shots (CIPA) for the OM-1 II and 640 shots for the PEN-F, giving the PEN-F the edge.
How much does each cost?
OM-1 II launched at $2,399 and PEN-F at $1,199. The PEN-F is $1,200 less.
Can't decide between two? Compare a third camera.
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Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.