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OM-5 Mark II

OM System

OM-5 Mark II

Updated compact MFT travel body with 20MP sensor, 7.5-stop IBIS, IP53 sealing, and Live ND.

$1,299

Launch price

Released Jan 2025

vs

Panasonic

Lumix G9

Original G9 stills flagship with 20MP MFT sensor, 60fps electronic burst, and excellent IBIS.

$1,699

Launch price

Released Nov 2017

OM-5 Mark II is 7.3 years newer.

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Wins

6categories

OM-5 Mark II

WildlifeSports & Action

Wins

8categories

Lumix G9

Sports & ActionVlogging

5 categories tied

Which would you choose?

TL;DR — Key differences

OM-5 Mark II wins 0 categories·Lumix G9 wins 5 categories
  • BLumix G9 has higher Burst (mechanical) (12 fps vs 6 fps)
  • BLumix G9 has higher Burst (electronic) (60 fps vs 30 fps)
  • BLumix G9 has higher 4K max frame rate (60 fps vs 30 fps)
  • BLumix G9 has higher Card slots (2 vs 1)
  • BLumix G9 has higher AF points / zones (225 vs 121)

Key specs at a glance

OM-5 Mark IILumix G9
Resolution20.4 MP20.3 MP
SensorMFTMFT
ISO max25,60025,600
Burst30 fps60 fps
4K30 fps60 fps
IBIS7.5-stop6.5-stop
Weight414 g658 g
Battery310 shots400 shots

Size and weight, to scale

OM-5 Mark II front view

OM-5 Mark II

125 × 85 × 50 mm

414 g (0.91 lb / 14.60 oz)

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

for scale

Lumix G9

137 × 97 × 92 mm

658 g (1.45 lb / 23.21 oz)

OM-5 Mark II is 12mm narrower, 12mm shorter, and 42mm thinner than Lumix G9.

OM-5 Mark II is 244 g lighter than Lumix G9.

Depth (front-to-back): 50mm OM-5 Mark II · 92mm Lumix G9

Back view, to scale

Width × Height — same proportions as the front of the body.

OM-5 Mark II back view

OM-5 Mark II

125 × 85 mm

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

Lumix G9

137 × 97 mm

Top view, to scale

Width × Depth (front-to-back) — see which body is chunkier on the table.

OM-5 Mark II top view

OM-5 Mark II

125 × 50 mm

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

Lumix G9

137 × 92 mm

Sensor size, to scale

OM-5 Mark II

17.4 × 13 mm · Compact / large-type

226 mm² area

Lumix G9

17.3 × 13 mm · Micro Four Thirds

225 mm² area

Lens ecosystem

Native lens selection

OM-5 Mark II

✓ more lenses

Micro Four Thirds

130+

native lenses available

60 first-party70 third-party

Lumix G9

✓ more lenses

Micro Four Thirds

130+

native lenses available

60 first-party70 third-party

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

Use caseOM-5 Mark IILumix G9
Portrait
4.0Fair
5.0Fair✓ wins
Sports & Action
8.0Excellent
9.5Excellent✓ wins
Video & Hybrid
3.5Limited
6.0Good✓ wins
Landscape
2.5Limited
3.5Limited✓ wins
Travel
7.0Good✓ wins
6.0Good
Wildlife
9.0Excellent✓ wins
7.0Good
Vlogging
6.5Good
7.5Good✓ wins

Why pick one over the other

Reasons to choose

OM-5 Mark II

  • AF low-light limit

    -7 EV vs -4 EV — lower is better

  • Dimensions (W×H×D mm)

    Adds 125.3, 85.2, 49.7

  • Card types

    Adds SD, SDHC, SDXC

  • Subject recognition

    Adds Bird, Vehicle

  • Codecs

    Adds MPEG-4 AVC

  • EVF magnification

    1.48 × vs 0.83 × — higher is better

  • Max video bit rate

    240 Mbps vs 150 Mbps — higher is better

  • Weight

    414 g vs 658 g — lower is better

Reasons to choose

Lumix G9

  • Dimensions (W×H×D mm)

    Adds 136.9, 97.3, 91.6

  • Card types

    Adds SD UHS-II, SD UHS-II

  • Codecs

    Adds MP4, AVCHD

  • Subject recognition

    Adds Face, Eye

  • Burst (mechanical)

    12 fps vs 6 fps — higher is better

  • Burst (electronic)

    60 fps vs 30 fps — higher is better

  • 4K max frame rate

    60 fps vs 30 fps — higher is better

  • Card slots

    2 vs 1 — higher is better

Both cameras share

  • ISO min (native)Both 200
  • ISO max (native)Both 25,600
  • AF frame coverageBoth 100 %
  • Eye AFBoth support eye af
  • Animal / bird AFBoth support animal / bird af
  • Pre-Capture / Pre-ReleaseBoth support pre-capture / pre-release

Pros & cons at a glance

Editorially curated highlights and trade-offs.

OM-5 Mark II

Pros

  • 7.5-stop IBIS
  • IP53 weather sealing
  • Live ND & computational modes
  • Compact travel body

Cons

  • MFT sensor
  • Single card slot
  • Premium for MFT

Lumix G9

Pros

  • 60fps electronic burst
  • Strong IBIS
  • Weather sealed
  • Large EVF

Cons

  • Older contrast AF
  • MFT sensor
  • Superseded by G9 II

Decided which one is right for you?

Compare live prices for the OM-5 Mark II and Lumix G9 at major authorized retailers.

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Full specifications

= category winner

OM-5 Mark II
Lumix G9
Resolution
20.4 MP
20.3 MP
Sensor type
CMOS
Four Thirds Live MOS
Sensor size
17.4 x 13 mm
17.3 x 13.0 mm
AA filter
No
No
OM-5 Mark II
Lumix G9
Processor
TruePic X
Venus Engine
OM-5 Mark II
Lumix G9
ISO min (native)
200
200
ISO max (native)
25,600
25,600
ISO max (expanded)
102,400
25,600
OM-5 Mark II
Lumix G9
Shutter type
Mechanical Focal Plane Shutter and Electronic Rolling Shutter
Focal-plane mechanical + electronic shutter
Max mechanical speed
1/8000
1/8000 sec
Max electronic speed
1/32000
1/32000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for video, OM-5 Mark II or Lumix G9?

Lumix G9 scores 6.0/10 versus 3.5/10 for OM-5 Mark II — 4K recording.

What's the resolution difference between the OM-5 Mark II and Lumix G9?

OM-5 Mark II is 20.4 MP and Lumix G9 is 20.3 MP, so the OM-5 Mark II captures more detail for cropping and large prints.

Do the OM-5 Mark II and Lumix G9 have in-body image stabilization?

OM-5 Mark II has 7.5-stop in-body image stabilization, while Lumix G9 has 6.5-stop in-body image stabilization.

Which shoots faster bursts — the OM-5 Mark II or the Lumix G9?

OM-5 Mark II reaches 30 fps electronic. Lumix G9 reaches 60 fps electronic.

What's the weight difference between the OM-5 Mark II and Lumix G9?

OM-5 Mark II weighs 414 g and Lumix G9 weighs 658 g, so the OM-5 Mark II is 244 g lighter.

Do the OM-5 Mark II and Lumix G9 record 4K video?

OM-5 Mark II: 4K up to 30p. Lumix G9: 4K up to 60p.

Are the OM-5 Mark II and Lumix G9 weather sealed?

OM-5 Mark II: Yes. Lumix G9: Yes.

Which has better battery life?

Rated battery life is 310 shots (CIPA) for the OM-5 Mark II and 400 shots for the Lumix G9, giving the Lumix G9 the edge.

How much does each cost?

OM-5 Mark II launched at $1,299 and Lumix G9 at $1,699. The OM-5 Mark II is $400 less.

Can't decide between two? Compare a third camera.

Add any camera to get a three-way OM-5 Mark II vs Lumix G9 vs X comparison.

Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed September 2026.

Product images courtesy of OM System and Panasonic press materials.