OM System
OM-1 II
Flagship MFT with stacked sensor, 120fps, and pro wildlife features.
$2,399
Launch priceReleased Feb 2024
Sigma
fp L
World's smallest full-frame interchangeable camera with 61MP and L-mount.
$2,499
Launch priceReleased Jul 2021
OM-1 II is 2.6 years newer.
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Wins
OM-1 II
Wins
fp L
4 categories tied
Which would you choose?
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 10 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
📸 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
fp L
113 × 70 × 45 mm
427 g (0.94 lb / 15.06 oz)
OM-1 II is 22mm wider, 22mm taller, and 27mm thicker than fp L.
OM-1 II is 172 g heavier than fp L.
Depth (front-to-back): 73mm OM-1 II · 45mm fp L
Back view, to scale
Width × Height — same proportions as the front of the body.
OM-1 II
135 × 92 mm
Credit card
85.6 × 54 mm
fp L
113 × 70 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
OM-1 II
135 × 73 mm
Credit card
85.6 × 54 mm
fp L
113 × 45 mm
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
Card types
Adds SD UHS-II, SD UHS-I
AF points / zones
1053 vs 49 — higher is better
Burst (electronic)
120 fps vs 10 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
Reasons to choose
fp L
Subject recognition
Adds Human, Animal, Bird…
Dimensions (W×H×D mm)
Adds 112.6, 69.9, 45.3
Card types
Adds SD, SDHC, SDXC
Resolution
61 MP vs 20.4 MP — higher is better
AA filter
Only fp L supports it
Internal RAW video
Only fp L supports it
Headphone jack (3.5mm)
Only fp L supports it
Codecs
Adds CinemaDNG
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
- ✓Max video bit rate — Both 150 Mbps
- ✓Weather sealing — Both support weather sealing
- ✓Card slots — Both 1
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
Decided which one is right for you?
Compare live prices for the OM-1 II and fp L at major authorized retailers.
OM System OM-1 II
Sigma fp L
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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 7.0/10 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 does not have IBIS.
Which shoots faster bursts — the OM-1 II or the fp L?
OM-1 II reaches 120 fps electronic. fp L reaches 10 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 427 g, so the fp L is 172 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 29.97p.
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 240 shots for the fp L, giving the OM-1 II 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.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way OM-1 II vs fp L vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.
Product images courtesy of OM System and Sigma press materials.