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EOS R6 Mark III

Canon

EOS R6 Mark III

Hybrid 32.5MP full-frame RF body with 7K RAW video, 40fps electronic burst, 8.5-stop IBIS, and Dual Pixel CMOS AF II.

$2,799

Launch price

Released Nov 2025

vs
OM-5

OM System

OM-5

Compact weather-sealed MFT for travel and outdoor photography.

$1,199

Launch price

Released Nov 2022

EOS R6 Mark III is 3 years newer.

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Wins

13categories

EOS R6 Mark III

Sports & ActionPortrait

Wins

3categories

OM-5

TravelSports & Action

2 categories tied

Which would you choose?

TL;DR — Key differences

EOS R6 Mark III wins 5 categories·OM-5 wins 0 categories
  • AEOS R6 Mark III has higher Max video bit rate (2600 Mbps vs 237 Mbps)
  • AEOS R6 Mark III has higher AF points / zones (1053 vs 121)
  • AEOS R6 Mark III has higher 4K max frame rate (120 fps vs 29.97 fps)
  • AEOS R6 Mark III has higher 1080p max frame rate (180 fps vs 59.94 fps)
  • AEOS R6 Mark III has higher ISO max (native) (64,000 vs 25,600)

Key specs at a glance

EOS R6 Mark IIIOM-5
Resolution32.5 MP20.4 MP
SensorFull FrameMFT
ISO max64,00025,600
Burst40 fps30 fps
4K120 fps29.97 fps
IBIS8.5-stop6.5-stop
Weight699 g414 g
Battery640 shots310 shots

Size and weight, to scale

EOS R6 Mark III front view

EOS R6 Mark III

138 × 98 × 88 mm

699 g (1.54 lb / 24.66 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-5 front view

OM-5

125 × 85 × 50 mm

414 g (0.91 lb / 14.60 oz)

EOS R6 Mark III is 13mm wider, 13mm taller, and 39mm thicker than OM-5.

EOS R6 Mark III is 285 g heavier than OM-5.

Depth (front-to-back): 88mm EOS R6 Mark III · 50mm OM-5

Back view, to scale

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

EOS R6 Mark III back view

EOS R6 Mark III

138 × 98 mm

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

Credit card

85.6 × 54 mm

OM-5 back view

OM-5

125 × 85 mm

Top view, to scale

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

EOS R6 Mark III top view

EOS R6 Mark III

138 × 88 mm

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

Credit card

85.6 × 54 mm

OM-5 top view

OM-5

125 × 50 mm

Sensor size, to scale

EOS R6 Mark III

35.9 × 23.9 mm · Full Frame

858 mm² area

OM-5

17.4 × 13 mm · Compact / large-type

226 mm² area

3.8× larger sensor area = shallower depth of field and better low-light performance.

Lens ecosystem

Native lens selection

EOS R6 Mark III

Canon RF

105+

native lenses available

45 first-party60 third-party

OM-5

✓ 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 caseEOS R6 Mark IIIOM-5
Portrait
8.0Excellent✓ wins
4.0Fair
Sports & Action
10.0Excellent✓ wins
6.5Good
Video & Hybrid
6.5Good✓ wins
2.5Limited
Landscape
7.5Good✓ wins
2.5Limited
Travel
7.5Good✓ wins
7.0Good
Wildlife
6.5Good✓ wins
5.5Fair
Vlogging
5.5Fair
5.5Fair

Why pick one over the other

Reasons to choose

EOS R6 Mark III

  • Dimensions (W×H×D mm)

    Adds 138.4, 98.4, 88.4

  • Card types

    Adds CFexpress Type B, SD UHS-II

  • Max video bit rate

    2600 Mbps vs 237 Mbps — higher is better

  • AF points / zones

    1053 vs 121 — higher is better

  • Codecs

    Adds CRM, XF-HEVC S, XF-AVC S…

  • 4K max frame rate

    120 fps vs 29.97 fps — higher is better

  • 1080p max frame rate

    180 fps vs 59.94 fps — higher is better

  • Subject recognition

    Adds Dogs, Cats, Horses…

Reasons to choose

OM-5

  • AF low-light limit

    -8 EV vs -6.5 EV — lower is better

  • Dimensions (W×H×D mm)

    Adds 125.3, 85.2, 49.7

  • Card types

    Adds SD, SDHC, SDXC

  • Codecs

    Adds MOV, MPEG-4 AVC

  • Subject recognition

    Adds Animals, Motorsports, Airplanes

  • Weight

    414 g vs 699 g — lower is better

  • EVF magnification

    0.78 × vs 0.76 × — higher is better

Both cameras share

  • 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
  • In-body stabilization (IBIS)Both support in-body stabilization (ibis)
  • Weather sealingBoth support weather sealing

Pros & cons at a glance

Editorially curated highlights and trade-offs.

EOS R6 Mark III

Pros

  • 32.5MP full-frame sensor
  • 7K RAW video & 4K 120p
  • 40fps electronic burst with Pre-Continuous
  • 8.5-stop IBIS

Cons

  • Single CFexpress Type B + SD slot
  • Smaller LCD than R5 II
  • LP-E6P required for full features

OM-5

Pros

  • Compact
  • IP53 sealing
  • Computational features

Cons

  • No grip extension
  • MFT sensor
  • Single slot

Decided which one is right for you?

Compare live prices for the EOS R6 Mark III and OM-5 at major authorized retailers.

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Full specifications

= category winner

EOS R6 Mark III
OM-5
Resolution
32.5 MP+59%
20.4 MP
Sensor type
Full Frame CMOS
CMOS
Sensor size
35.9 × 23.9 mm
17.4 x 13 mm
AA filter
Yes
No
EOS R6 Mark III
OM-5
Processor
DIGIC X
TruePic IX
EOS R6 Mark III
OM-5
ISO min (native)
100−100 less
200
ISO max (native)
64,000+1.3 stops
25,600
ISO max (expanded)
102,400
25,600
EOS R6 Mark III
OM-5
Shutter type
Mechanical / Electronic 1st Curtain + Electronic
Mechanical Focal Plane Shutter and Electronic Rolling Shutter
Max mechanical speed
1/8000 sec
1/8000
Max electronic speed
1/16000 sec
1/32000

Frequently asked

Quick answers generated from verified specs.

Which is better for landscape, EOS R6 Mark III or OM-5?

EOS R6 Mark III scores 7.5/10 versus 2.5/10 for OM-5 — 32.5MP — ample resolution.

What's the resolution difference between the EOS R6 Mark III and OM-5?

EOS R6 Mark III is 32.5 MP and OM-5 is 20.4 MP, so the EOS R6 Mark III captures more detail for cropping and large prints.

Do the EOS R6 Mark III and OM-5 have in-body image stabilization?

EOS R6 Mark III has 8.5-stop in-body image stabilization, while OM-5 has 6.5-stop in-body image stabilization.

Which shoots faster bursts — the EOS R6 Mark III or the OM-5?

EOS R6 Mark III reaches 40 fps electronic. OM-5 reaches 30 fps electronic.

What's the weight difference between the EOS R6 Mark III and OM-5?

EOS R6 Mark III weighs 699 g and OM-5 weighs 414 g, so the OM-5 is 285 g lighter.

Do the EOS R6 Mark III and OM-5 record 4K video?

EOS R6 Mark III: 4K up to 120p. OM-5: 4K up to 29.97p.

Are the EOS R6 Mark III and OM-5 weather sealed?

EOS R6 Mark III: Yes. OM-5: Yes.

Which has better battery life?

Rated battery life is 640 shots (CIPA) for the EOS R6 Mark III and 310 shots for the OM-5, giving the EOS R6 Mark III the edge.

How much does each cost?

EOS R6 Mark III launched at $2,799 and OM-5 at $1,199. The OM-5 is $1,600 less.

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

Add any camera to get a three-way EOS R6 Mark III vs OM-5 vs X comparison.

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

Product images courtesy of Canon and OM System press materials.