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OM-5

OM System

OM-5

Compact weather-sealed MFT for travel and outdoor photography.

$1,199

Launch price

Released Nov 2022

vs

OM System

OM-D E-M5 Mark III

Compact pro MFT with IBIS and weather sealing.

$1,199

Launch price

Released Oct 2019

OM-5 is 3.1 years newer.

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Wins

6categories

OM-5

TravelSports & Action

Wins

5categories

OM-D E-M5 Mark III

Sports & ActionWildlife

6 categories tied

Which would you choose?

TL;DR — Key differences

OM-5 wins 1 categories·OM-D E-M5 Mark III wins 4 categories
  • BOM-D E-M5 Mark III has higher AF points / zones (1053 vs 121)
  • BOM-D E-M5 Mark III has higher Battery life (CIPA) (640 shots vs 310 shots)
  • BOM-D E-M5 Mark III has higher 4K max frame rate (60 fps vs 29.97 fps)
  • BOM-D E-M5 Mark III has lower ISO min (native) (100 vs 200)
  • AOM-5 has higher Burst (electronic) (30 fps vs 15 fps)

Key specs at a glance

OM-5OM-D E-M5 Mark III
Resolution20.4 MP20.4 MP
SensorMFTMFT
ISO max25,60025,600
Burst30 fps15 fps
4K29.97 fps60 fps
IBIS6.5-stop6-stop
Weight414 g580 g
Battery310 shots640 shots

Size and weight, to scale

OM-5 front view

OM-5

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

OM-D E-M5 Mark III

134 × 91 × 72 mm

580 g (1.28 lb / 20.46 oz)

OM-5 is 9mm narrower, 6mm shorter, and 22mm thinner than OM-D E-M5 Mark III.

OM-5 is 166 g lighter than OM-D E-M5 Mark III.

Depth (front-to-back): 50mm OM-5 · 72mm OM-D E-M5 Mark III

Back view, to scale

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

OM-5 back view

OM-5

125 × 85 mm

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

Credit card

85.6 × 54 mm

OM-D E-M5 Mark III

134 × 91 mm

Top view, to scale

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

OM-5 top view

OM-5

125 × 50 mm

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

Credit card

85.6 × 54 mm

OM-D E-M5 Mark III

134 × 72 mm

Sensor size, to scale

OM-5

17.4 × 13 mm · Compact / large-type

226 mm² area

OM-D E-M5 Mark III

17.3 × 13 mm · Micro Four Thirds

225 mm² area

Lens ecosystem

Native lens selection

OM-5

✓ more lenses

Micro Four Thirds

130+

native lenses available

60 first-party70 third-party

OM-D E-M5 Mark III

✓ 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-5OM-D E-M5 Mark III
Portrait
4.0Fair
4.0Fair
Sports & Action
6.5Good
8.5Excellent✓ wins
Video & Hybrid
2.5Limited
6.0Good✓ wins
Landscape
2.5Limited
3.5Limited✓ wins
Travel
7.0Good
7.5Good✓ wins
Wildlife
5.5Fair
8.0Excellent✓ wins
Vlogging
5.5Fair
7.0Good✓ wins

Why pick one over the other

Reasons to choose

OM-5

  • AF low-light limit

    -8 EV vs -7 EV — lower is better

  • Subject recognition

    Adds People, Birds, Animals…

  • Dimensions (W×H×D mm)

    Adds 125.3, 85.2, 49.7

  • Card types

    Adds SD, SDHC, SDXC

  • Codecs

    Adds MOV, MPEG-4 AVC

  • Burst (electronic)

    30 fps vs 15 fps — higher is better

  • Burst (mechanical)

    10 fps vs 6 fps — higher is better

  • Max video bit rate

    237 Mbps vs 150 Mbps — higher is better

Reasons to choose

OM-D E-M5 Mark III

  • Subject recognition

    Adds Human, Animal, Bird…

  • Dimensions (W×H×D mm)

    Adds 134, 91, 72

  • Card types

    Adds SD UHS-II

  • AF points / zones

    1053 vs 121 — higher is better

  • Battery life (CIPA)

    640 shots vs 310 shots — higher is better

  • 4K max frame rate

    60 fps vs 29.97 fps — higher is better

  • AA filter

    Only OM-D E-M5 Mark III supports it

  • ISO min (native)

    100 vs 200 — lower is better

Both cameras share

  • ResolutionBoth 20.4 MP
  • 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

Pros

  • Compact
  • IP53 sealing
  • Computational features

Cons

  • No grip extension
  • MFT sensor
  • Single slot

OM-D E-M5 Mark III

Pros

  • Compact pro
  • Weather sealed
  • IBIS

Cons

  • Older
  • MFT
  • Superseded

Decided which one is right for you?

Compare live prices for the OM-5 and OM-D E-M5 Mark III 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
OM-D E-M5 Mark III
Resolution
20.4 MP
20.4 MP
Sensor type
CMOS
Four Thirds Live MOS
Sensor size
17.4 x 13 mm
17.3 × 13.0 mm
AA filter
No
Yes
OM-5
OM-D E-M5 Mark III
Processor
TruePic IX
TruePic X
OM-5
OM-D E-M5 Mark III
ISO min (native)
200
100−100 less
ISO max (native)
25,600
25,600
ISO max (expanded)
25,600
102,400
OM-5
OM-D E-M5 Mark III
Shutter type
Mechanical Focal Plane Shutter and Electronic Rolling Shutter
Mechanical + Electronic
Max mechanical speed
1/8000
1/8000 sec
Max electronic speed
1/32000
1/16000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for video, OM-5 or OM-D E-M5 Mark III?

OM-D E-M5 Mark III scores 6.0/10 versus 2.5/10 for OM-5 — 4K recording.

What's the resolution difference between the OM-5 and OM-D E-M5 Mark III?

Both cameras share the same 20.4 MP resolution.

Do the OM-5 and OM-D E-M5 Mark III have in-body image stabilization?

OM-5 has 6.5-stop in-body image stabilization, while OM-D E-M5 Mark III has 6-stop in-body image stabilization.

Which shoots faster bursts — the OM-5 or the OM-D E-M5 Mark III?

OM-5 reaches 30 fps electronic. OM-D E-M5 Mark III reaches 15 fps electronic.

What's the weight difference between the OM-5 and OM-D E-M5 Mark III?

OM-5 weighs 414 g and OM-D E-M5 Mark III weighs 580 g, so the OM-5 is 166 g lighter.

Do the OM-5 and OM-D E-M5 Mark III record 4K video?

OM-5: 4K up to 29.97p. OM-D E-M5 Mark III: 4K up to 60p.

Are the OM-5 and OM-D E-M5 Mark III weather sealed?

OM-5: Yes. OM-D E-M5 Mark III: Yes.

Which has better battery life?

Rated battery life is 310 shots (CIPA) for the OM-5 and 640 shots for the OM-D E-M5 Mark III, giving the OM-D E-M5 Mark III the edge.

How much does each cost?

Both launched at $1,199.

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

Add any camera to get a three-way OM-5 vs OM-D E-M5 Mark III 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.