Illustration, not a product photo.

OM System · 2022 · Mirrorless · Micro Four Thirds

OM System OM-1

The Mark II's predecessor with the same stacked sensor. A big saving for most of the performance.

Micro Four ThirdsOlder modelWildlife & animalsSports & actionLandscape
New ≈No longer sold new
Used at MPB*£304–939
See used stock at MPB ↗Lenses for this camera

Overview

The OM System OM-1 is a 2022 Micro Four Thirds 20MP mirrorless camera on the Micro Four Thirds mount. It shoots up to 120 frames per second, records 4K 60p video and has in-body stabilisation, and it's weather sealed. The Mark II's predecessor with the same stacked sensor. A big saving for most of the performance.

It's best suited to wildlife & animals, sports & action, landscape. In our database, 22 lenses fit it natively (8 from third-party makers such as Sigma, Samyang, Laowa).

Used at MPB it currently sells for £304 to £939 depending on condition, and it's no longer sold new.

Key specifications

Released2022
TypeMirrorless
SensorMicro Four Thirds (17.3×13mm, 2× crop)
Resolution20 megapixels
Max burst120 fps
Sensor readout≈4ms (Very fast)
Max ISO25,600
Low-light score2.25/5
StabilisationIn-body (IBIS)
ViewfinderElectronic
Video4K 60p
Weather sealedYes
Weight599 g with battery
MountMicro Four Thirds
Strengths
  • 2× crop factor makes telephoto lenses small and light
  • Fast sensor readout (≈4ms) keeps fast action undistorted
  • 120fps bursts for decisive moments
  • In-body image stabilisation with every lens
  • Weather sealing for rain and dust
  • Strong value used, from £304
Things to consider
  • Older autofocus generation; check shutter count and battery health when buying used
  • Smaller sensor: more noise above ISO 3200 and less background blur

Compatible lenses

22 native in our database

LensFitFocalApertureWeightNew ≈Used (MPB)
OM System M.Zuiko 45mm f/1.8
Portraits
Native
First-party
45mmf/1.8116g£249£85–106
Samyang 12mm f/2 NCS CS (manual)
Astrophotography · Vlogging & video
Native
Third-party (manual focus)
12mmf/2260g£299£82–130
Sigma 30mm f/1.4 DC DN Contemporary
Everyday & travel · Portraits
Native
Third-party
30mmf/1.4265g£339£154
Sigma 16mm f/1.4 DC DN Contemporary
Astrophotography · Vlogging & video · Landscape
Native
Third-party
16mmf/1.4405g£399£264
Sigma 56mm f/1.4 DC DN Contemporary
Portraits
Native
Third-party
56mmf/1.4280g£399£294
Laowa 7.5mm f/2 MFT (manual)
Astrophotography · Landscape · Vlogging & video
Native
Third-party (manual focus)
7.5mmf/2170g£399—
Panasonic Lumix G 42.5mm f/1.7
Portraits
Native
First-party
42.5mmf/1.7130g£399£189–209
Tamron 14-150mm f/3.5-5.8 Di III
Everyday & travel
Native
Third-party
14-150mmf/3.5-5.8285g£399£174
Laowa 9mm f/2.8 Zero-D (manual)
Landscape · Astrophotography · Vlogging & video
Native
Third-party (manual focus)
9mmf/2.8215g£399£199–279
OM System M.Zuiko 17mm f/1.8 II
Everyday & travel
Native
First-party
17mmf/1.8120g£449£429–449
Panasonic Leica DG 9mm f/1.7
Astrophotography · Vlogging & video · Landscape
Native
First-party
9mmf/1.7130g£449£379–389
Laowa 10mm f/2 Zero-D MFT (manual)
Astrophotography · Landscape · Vlogging & video
Native
Third-party (manual focus)
10mmf/2125g£449£349
OM System M.Zuiko 12-45mm f/4 PRO
Everyday & travel · Landscape
Native
First-party
12-45mmf/4254g£549£339–379
OM System M.Zuiko 9-18mm f/4-5.6
Vlogging & video · Landscape
Native
First-party
9-18mmf/4-5.6155g£549£249–289
Panasonic Lumix G 7-14mm f/4
Landscape · Astrophotography
Native
First-party
7-14mmf/4300g£699£264–284
Panasonic Lumix G 12-35mm f/2.8 II
Vlogging & video · Everyday & travel
Native
First-party
12-35mmf/2.8305g£749£424
OM System M.Zuiko 40-150mm f/4 PRO
Sports & action · Wildlife & animals · Portraits
Native
First-party
40-150mmf/4382g£799£534–559
Panasonic Leica DG 12-60mm f/2.8-4
Everyday & travel
Native
First-party
12-60mmf/2.8-4320g£849£134–539
Panasonic Lumix G 35-100mm f/2.8 II
Sports & action · Portraits
Native
First-party
35-100mmf/2.8357g£849£474–609
OM System M.Zuiko 8-25mm f/4 PRO
Landscape
Native
First-party
8-25mmf/4411g£899£529–709
OM System M.Zuiko 100-400mm f/5-6.3 IS
Wildlife & animals
Native
First-party
100-400mmf/5-6.31120g£1,299£689–809
Panasonic Leica DG 100-400mm f/4-6.3
Wildlife & animals
Native
First-party
100-400mmf/4-6.3985g£1,399£544–754

Starter kits with the OM-1

Wildlife & animals · OM System · 2022

OM System bird kit

An 800mm-equivalent lens you can hand-hold all day, with bird detection and Pro Capture.

  • OM System OM-1 body (typical used at MPB)£620
  • OM System M.Zuiko 100-400mm f/5-6.3 IS≈£1,299
  • Spare OM System BLX-1 battery≈£90
  • 128GB V90 SD card≈£75
  • Camouflage lens cover≈£30
  • Camera backpack with rain cover≈£120
Kit total≈£2,234
Only sold used now.

Similar cameras to compare

Micro Four Thirds
2016MirrorlessOlder model
20MP
60fps max
—readout ms
25.6kmax ISO
Low light 574g · IBIS · sealed
New ≈No longer sold new
Used at MPB*£329–499

Pro-Capture pioneer. A cheap, sealed way into Micro Four Thirds wildlife.

Wildlife & animalsBudgetSports & action
Panasonic

Lumix GX80

Micro Four Thirds
2016MirrorlessOlder model
16MP
8fps max
—readout ms
25.6kmax ISO
Low light 426g · IBIS
New ≈No longer sold new
Used at MPB*£334–404

Small, cheap and stabilised. A classic travel camera.

BudgetEveryday & travel
Panasonic

Lumix G80

Micro Four Thirds
2016MirrorlessOlder model
16MP
9fps max
—readout ms
25.6kmax ISO
Low light 505g · IBIS · sealed
New ≈No longer sold new
Used at MPB*£259–334

IBIS and weather sealing at a low price. 16MP.

BudgetEveryday & travel

Batteries and memory cards

Battery

OM System BLX-1 · maker's battery about £79

Battery for the OM-1, OM-1 Mark II and OM-3. Third-party: Mathorn USB-C £44. Carry at least one spare.

Card slots

2× SD (UHS-II)

A V60 UHS-II SD card clears bursts quickly; V90 only if you use the highest-bitrate video modes.

Batteries, cards and accessories explained →

How the OM-1 compares

Featured in: best camera for wildlife · best camera for sports

Where to buy

*Used prices on this site come from MPB on 5 November 2026. MPB only lists what it has bought in, so "None listed" means none in their stock that day, not that OM System OM-1 is hard to find. Check these trusted UK dealers too.

See example photos

Real-world shots taken with the OM System OM-1. Results are searches on each site, so check the camera or lens listed in each photo's details.

Frequently asked questions

Is the OM System OM-1 good for wildlife & animals?

Yes. 2× crop factor makes telephoto lenses small and light. Fast sensor readout (≈4ms) keeps fast action undistorted. Pair it with as much reach as you can carry: 400–600mm equivalent or more.

Is the OM System OM-1 good for sports & action?

Yes. 2× crop factor makes telephoto lenses small and light. Fast sensor readout (≈4ms) keeps fast action undistorted. Pair it with a 70–200mm-equivalent zoom; f/2.8 for indoor or floodlit games.

What lenses fit the OM System OM-1?

It uses the Micro Four Thirds mount. 22 lenses in our database fit natively, including 8 third-party options.

How much is a used OM System OM-1?

At MPB, used examples range from £304 to £939 (checked 5 November 2026), depending on cosmetic grade from Heavily used to Like new.

Does the OM System OM-1 have image stabilisation?

Yes, it has in-body image stabilisation (IBIS), so every lens is stabilised.

Own one or thinking of it?