OM System
OM-1 II
Flagship MFT with stacked sensor, 120fps, and pro wildlife features.
$2,399
Released Feb 2024
Sigma
fp L
World's smallest full-frame interchangeable camera with 61MP and L-mount.
$2,499
Released Jul 2021
OM-1 II is 2.6 years newer.
Wins
OM-1 II
Wins
fp L
4 categories tied
TL;DR — Key differences
- AOM-1 II has higher AF points / zones (1053 vs 49)
- 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)
- Bfp L has higher Resolution (61 MP vs 20.4 MP)
- AOM-1 II has higher EVF resolution (5,760,000 vs 2,360,000)
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)
fp L
138 × 98 × 88 mm
720 g (1.59 lb / 25.40 oz)
OM-1 II is 3mm narrower, 6mm shorter, and 15mm thinner than fp L.
OM-1 II is 121 g lighter than fp L.
Depth (front-to-back): 73mm OM-1 II · 88mm fp L
Sensor size, to scale
OM-1 II
17.4 × 13 mm · Compact / large-type
226 mm² area
fp L
36 × 24 mm · Full Frame
864 mm² area
3.8× 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
fp L: 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 -5 EV — lower is better
Subject recognition
Adds People, Birds, Animals…
Dimensions (W×H×D mm)
Adds 134.8, 91.6, 72.7
AF points / zones
1053 vs 49 — higher is better
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
Card types
Adds SD UHS-I
Reasons to choose
fp L
Subject recognition
Adds Human, Animal, Bird…
Dimensions (W×H×D mm)
Adds 138, 98, 88
Resolution
61 MP vs 20.4 MP — higher is better
AA filter
Only fp L supports it
Card slots
2 vs 1 — higher is better
Headphone jack (3.5mm)
Only fp L supports it
Battery life (CIPA)
640 shots vs 520 shots — higher is better
Both cameras share
- ✓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
- ✓Max video bit rate — Both 150 Mbps
- ✓In-body stabilization — Both support in-body stabilization
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
fp L
Pros
- ✓Tiny full-frame
- ✓61MP
- ✓L-mount
- ✓Unique industrial design
Cons
- –No IBIS
- –Small battery
- –Minimal ergonomics
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for landscape, OM-1 II or fp L?
fp L scores 9.0/10 versus 2.5/10 for OM-1 II — 61MP — massive detail for large prints.
What's the resolution difference between the OM-1 II and fp L?
OM-1 II is 20.4 MP and fp L is 61 MP, so the fp L captures more detail for cropping and large prints.
Do the OM-1 II and fp L have in-body image stabilization?
OM-1 II has 8.5-stop in-body image stabilization, while fp L has 6-stop in-body image stabilization.
Which shoots faster bursts — the OM-1 II or the fp L?
OM-1 II reaches 120 fps electronic. fp L reaches 15 fps electronic.
What's the weight difference between the OM-1 II and fp L?
OM-1 II weighs 599 g and fp L weighs 720 g, so the OM-1 II is 121 g lighter.
Do the OM-1 II and fp L record 4K video?
OM-1 II: 4K up to 60p. fp L: 4K up to 60p.
Are the OM-1 II and fp L weather sealed?
OM-1 II: Yes. fp L: Yes.
Which has better battery life?
Rated battery life is 520 shots (CIPA) for the OM-1 II and 640 shots for the fp L, giving the fp L the edge.
How much does each cost?
OM-1 II launched at $2,399 and fp L at $2,499. The OM-1 II is $100 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.