OM System
OM-1 II
Flagship MFT with stacked sensor, 120fps, and pro wildlife features.
$2,399
Launch priceReleased Feb 2024
Sigma
FP2
Pocket-sized L-Mount full-frame body with a 24.5MP partially stacked sensor, 20fps stills, 6K OpenGate / ProRes RAW video, 70GB internal storage, and a Still/Cine mode switch.
$2,199
Launch priceReleased Nov 2026
FP2 is 2.8 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 II
Wins
FP2
2 categories tied
Which would you choose?
TL;DR — Key differences
- AOM-1 II has higher Burst (mechanical) (10 fps vs 0 fps)
- AOM-1 II has higher IBIS effectiveness (8.5 stops vs 0 stops)
- AOM-1 II has higher Burst (electronic) (120 fps vs 20 fps)
- AOM-1 II has higher 1080p max frame rate (240 fps vs 119.88 fps)
- AOM-1 II has higher Battery life (CIPA) (520 shots vs 370 shots)
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
FP2
112 × 71 × 41 mm
460 g (1.01 lb / 16.23 oz)
OM-1 II is 23mm wider, 21mm taller, and 32mm thicker than FP2.
OM-1 II is 139 g heavier than FP2.
Depth (front-to-back): 73mm OM-1 II · 41mm FP2
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
FP2
112 × 71 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
FP2
112 × 41 mm
Sensor size, to scale
OM-1 II
17.4 × 13 mm · Compact / large-type
226 mm² area
FP2
35.9 × 23.9 mm · Full Frame
858 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
FP2: 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
Burst (mechanical)
10 fps vs 0 fps — higher is better
IBIS effectiveness
8.5 stops vs 0 stops — higher is better
Dimensions (W×H×D mm)
Adds 134.8, 91.6, 72.7
Card types
Adds SD UHS-II, SD UHS-I
Burst (electronic)
120 fps vs 20 fps — higher is better
1080p max frame rate
240 fps vs 119.88 fps — higher is better
Subject recognition
Adds Motorsports, Airplanes, Trains
Reasons to choose
FP2
Dimensions (W×H×D mm)
Adds 112, 71, 41
Card types
Adds SD, SDHC, SDXC
Internal RAW video
Only FP2 supports it
Codecs
Adds ProRes RAW, ProRes RAW HQ
Weight
460 g vs 599 g — lower is better
Resolution
24.5 MP vs 20.4 MP — higher is better
Both cameras share
- ✓ISO max (native) — Both 102,400
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Weather sealing — Both support weather sealing
- ✓Card slots — Both 1
- ✓Touchscreen — Both support touchscreen
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
FP2
Pros
- ✓World's smallest full-frame body (376g body only)
- ✓24.5MP partially stacked sensor, 20fps electronic burst
- ✓6K OpenGate + ProRes RAW HQ, L-Log, 32-bit float audio
- ✓70GB internal storage + SD UHS-II + USB SSD
- ✓Tilting 3.15" LCD, dust/splash resistant, modular EVF-21
Cons
- –No in-body image stabilization (EIS in video only)
- –No built-in EVF — optional EVF-21 sold separately
- –Electronic shutter only
- –No headphone jack (USB audio only)
Decided which one is right for you?
Compare live prices for the OM-1 II and FP2 at major authorized retailers.
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 II or FP2?
OM-1 II scores 10.0/10 versus 4.0/10 for FP2 — 120fps burst — pro-level action capture.
What's the resolution difference between the OM-1 II and FP2?
OM-1 II is 20.4 MP and FP2 is 24.5 MP, so the FP2 captures more detail for cropping and large prints.
Do the OM-1 II and FP2 have in-body image stabilization?
OM-1 II has 8.5-stop in-body image stabilization, while FP2 does not have IBIS.
Which shoots faster bursts — the OM-1 II or the FP2?
OM-1 II reaches 120 fps electronic. FP2 reaches 20 fps electronic.
What's the weight difference between the OM-1 II and FP2?
OM-1 II weighs 599 g and FP2 weighs 460 g, so the FP2 is 139 g lighter.
Do the OM-1 II and FP2 record 4K video?
OM-1 II: 4K up to 60p. FP2: 4K up to 59.94p.
Are the OM-1 II and FP2 weather sealed?
OM-1 II: Yes. FP2: Yes.
Which has better battery life?
Rated battery life is 520 shots (CIPA) for the OM-1 II and 370 shots for the FP2, giving the OM-1 II the edge.
How much does each cost?
OM-1 II launched at $2,399 and FP2 at $2,199. The FP2 is $200 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way OM-1 II vs FP2 vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed October 2026.
Product images courtesy of OM System and Sigma press materials.