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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
PEN-F

OM System

PEN-F

Retro-styled MFT rangefinder body with 20MP sensor, built-in EVF, and classic dial controls.

$1,199

Launch price

Released Jan 2016

OM-5 Mark II is 9 years newer.

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Wins

7categories

OM-5 Mark II

WildlifeSports & Action

Wins

4categories

PEN-F

VloggingTravel

7 categories tied

Which would you choose?

TL;DR — Key differences

OM-5 Mark II wins 1 categories·PEN-F wins 4 categories
  • BPEN-F has higher Battery life (CIPA) (640 shots vs 310 shots)
  • BPEN-F has lower ISO min (native) (100 vs 200)
  • AOM-5 Mark II has higher Burst (electronic) (30 fps vs 15 fps)
  • BPEN-F has higher 4K max frame rate (60 fps vs 30 fps)
  • BPEN-F has higher Card slots (2 vs 1)

Key specs at a glance

OM-5 Mark IIPEN-F
Resolution20.4 MP20.3 MP
SensorMFTMFT
ISO max25,60025,600
Burst30 fps15 fps
4K30 fps60 fps
IBIS7.5-stop6-stop
Weight414 g427 g
Battery310 shots640 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

PEN-F front view

PEN-F

125 × 72 × 37 mm

427 g (0.94 lb / 15.06 oz)

OM-5 Mark II is 1mm wider, 13mm taller, and 12mm thicker than PEN-F.

OM-5 Mark II is 13 g lighter than PEN-F.

Depth (front-to-back): 50mm OM-5 Mark II · 37mm PEN-F

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

PEN-F back view

PEN-F

125 × 72 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

PEN-F top view

PEN-F

125 × 37 mm

Sensor size, to scale

OM-5 Mark II

17.4 × 13 mm · Compact / large-type

226 mm² area

PEN-F

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

PEN-F

✓ 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 IIPEN-F
Portrait
4.0Fair
4.0Fair
Sports & Action
8.0Excellent✓ wins
5.5Fair
Video & Hybrid
3.5Limited
6.0Good✓ wins
Landscape
2.5Limited✓ wins
2.0Limited
Travel
7.0Good✓ wins
6.5Good
Wildlife
9.0Excellent✓ wins
6.5Good
Vlogging
6.5Good
7.5Good✓ wins

Why pick one over the other

Reasons to choose

OM-5 Mark II

  • Dimensions (W×H×D mm)

    Adds 125.3, 85.2, 49.7

  • Card types

    Adds SD, SDHC, SDXC

  • Burst (electronic)

    30 fps vs 15 fps — higher is better

  • Codecs

    Adds MPEG-4 AVC

  • Weather sealing

    Only OM-5 Mark II supports it

  • Max video bit rate

    240 Mbps vs 150 Mbps — higher is better

  • AF points / zones

    121 vs 81 — higher is better

  • EVF magnification

    1.48 × vs 1.08 × — higher is better

Reasons to choose

PEN-F

  • Dimensions (W×H×D mm)

    Adds 124.8, 72.1, 37.3

  • Card types

    Adds SD UHS-II

  • Battery life (CIPA)

    640 shots vs 310 shots — higher is better

  • ISO min (native)

    100 vs 200 — lower is better

  • 4K max frame rate

    60 fps vs 30 fps — higher is better

  • Codecs

    Adds H.265

  • Card slots

    2 vs 1 — higher is better

Both cameras share

  • ISO max (native)Both 25,600
  • AF frame coverageBoth 100 %
  • Eye AFBoth support eye af
  • Animal / bird AFBoth support animal / bird af
  • Burst (mechanical)Both 6 fps
  • 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

PEN-F

Pros

  • Beautiful retro design
  • Built-in EVF
  • 20MP MFT
  • Creative dial modes

Cons

  • No IBIS
  • MFT sensor
  • Discontinued

Decided which one is right for you?

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

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

OM-5 Mark II
PEN-F
Resolution
20.4 MP
20.3 MP
Sensor type
CMOS
Four Thirds Live MOS
Sensor size
17.4 x 13 mm
17.3 × 13.0 mm
AA filter
No
No
OM-5 Mark II
PEN-F
Processor
TruePic X
TruePic X
OM-5 Mark II
PEN-F
ISO min (native)
200
100−100 less
ISO max (native)
25,600
25,600
ISO max (expanded)
102,400
102,400
OM-5 Mark II
PEN-F
Shutter type
Mechanical Focal Plane Shutter and Electronic Rolling Shutter
Mechanical + Electronic
Max mechanical speed
1/8000
1/8000
Max electronic speed
1/32000
1/16000

Frequently asked

Quick answers generated from verified specs.

Which is better for sports, OM-5 Mark II or PEN-F?

OM-5 Mark II scores 8.0/10 versus 5.5/10 for PEN-F — 30fps burst — pro-level action capture.

What's the resolution difference between the OM-5 Mark II and PEN-F?

OM-5 Mark II is 20.4 MP and PEN-F 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 PEN-F have in-body image stabilization?

OM-5 Mark II has 7.5-stop in-body image stabilization, while PEN-F has 6-stop in-body image stabilization.

Which shoots faster bursts — the OM-5 Mark II or the PEN-F?

OM-5 Mark II reaches 30 fps electronic. PEN-F reaches 15 fps electronic.

What's the weight difference between the OM-5 Mark II and PEN-F?

OM-5 Mark II weighs 414 g and PEN-F weighs 427 g, so the OM-5 Mark II is 13 g lighter.

Do the OM-5 Mark II and PEN-F record 4K video?

OM-5 Mark II: 4K up to 30p. PEN-F: 4K up to 60p.

Are the OM-5 Mark II and PEN-F weather sealed?

OM-5 Mark II: Yes. PEN-F: No.

Which has better battery life?

Rated battery life is 310 shots (CIPA) for the OM-5 Mark II and 640 shots for the PEN-F, giving the PEN-F the edge.

How much does each cost?

OM-5 Mark II launched at $1,299 and PEN-F at $1,199. The PEN-F is $100 less.

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

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

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

Product images courtesy of OM System press materials.