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EOS R1

Canon

EOS R1

Flagship 24.2MP full-frame BSI stacked RF body with 40fps burst, Dual Pixel Intelligent AF, 6K RAW, and 9.44M-dot EVF.

$6,299

Launch price

Released Jul 2024

vs

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

OM-5 Mark II is 6 months newer.

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Wins

10categories

EOS R1

Sports & ActionVideo & Hybrid

Wins

1categories

OM-5 Mark II

Sports & ActionTravel

4 categories tied

Which would you choose?

TL;DR — Key differences

EOS R1 wins 4 categories·OM-5 Mark II wins 1 categories
  • AEOS R1 has higher ISO max (native) (102,400 vs 25,600)
  • AEOS R1 has higher EVF resolution (9,440,000 vs 2,360,000)
  • AEOS R1 has higher Burst (electronic) (40 fps vs 15 fps)
  • BOM-5 Mark II has lower Weight (414 g vs 920 g)
  • AEOS R1 has higher Battery life (CIPA) (1330 shots vs 640 shots)

Key specs at a glance

EOS R1OM-5 Mark II
Resolution24.2 MP20.4 MP
SensorFull FrameMFT
ISO max102,40025,600
Burst40 fps15 fps
4K120 fps60 fps
IBIS8.5-stop7.5-stop
Weight920 g414 g
Battery1330 shots640 shots

Size and weight, to scale

EOS R1 front view

EOS R1

158 × 150 × 87 mm

920 g (2.03 lb / 32.45 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 Mark II

125 × 85 × 50 mm

414 g (0.91 lb / 14.60 oz)

EOS R1 is 32mm wider, 64mm taller, and 38mm thicker than OM-5 Mark II.

EOS R1 is 506 g heavier than OM-5 Mark II.

Depth (front-to-back): 87mm EOS R1 · 50mm OM-5 Mark II

Back view, to scale

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

EOS R1 back view

EOS R1

158 × 150 mm

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

Credit card

85.6 × 54 mm

OM-5 Mark II

125 × 85 mm

Top view, to scale

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

EOS R1 top view

EOS R1

158 × 87 mm

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

Credit card

85.6 × 54 mm

OM-5 Mark II

125 × 50 mm

Sensor size, to scale

EOS R1

36 × 24 mm · Full Frame

864 mm² area

OM-5 Mark II

17.3 × 13 mm · Micro Four Thirds

225 mm² area

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

Lens ecosystem

Native lens selection

EOS R1

Canon RF

105+

native lenses available

45 first-party60 third-party

OM-5 Mark II

✓ 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 R1OM-5 Mark II
Portrait
7.5Good✓ wins
4.0Fair
Sports & Action
10.0Excellent✓ wins
8.5Excellent
Video & Hybrid
9.0Excellent✓ wins
6.0Good
Landscape
7.0Good✓ wins
3.5Limited
Travel
6.5Good
8.0Excellent✓ wins
Wildlife
6.5Good
8.0Excellent✓ wins
Vlogging
5.5Fair
7.5Good✓ wins

Why pick one over the other

Reasons to choose

EOS R1

  • Subject recognition

    Adds People, Dogs, Cats…

  • Dimensions (W×H×D mm)

    Adds 157.6, 149.5, 87.3

  • Card types

    Adds CFexpress Type B, CFexpress Type B

  • ISO max (native)

    102,400 vs 25,600 — higher is better

  • EVF resolution

    9,440,000 vs 2,360,000 — higher is better

  • Burst (electronic)

    40 fps vs 15 fps — higher is better

  • Codecs

    Adds RAW, XF-HEVC S, XF-AVC S

  • Battery life (CIPA)

    1330 shots vs 640 shots — higher is better

Reasons to choose

OM-5 Mark II

  • Subject recognition

    Adds Human, Animal, Bird…

  • Dimensions (W×H×D mm)

    Adds 125.3, 85.2, 49.7

  • Card types

    Adds SD UHS-II

  • Weight

    414 g vs 920 g — lower is better

Both cameras share

  • ISO min (native)Both 100
  • AF points / zonesBoth 1053
  • 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.

EOS R1

Pros

  • 40fps electronic burst
  • 24.2MP BSI stacked full-frame sensor
  • Dual Pixel Intelligent AF
  • 6K RAW and 4K 120p video
  • Dual CFexpress Type B slots

Cons

  • 24MP resolution
  • Very expensive
  • Large integrated-grip body

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

Decided which one is right for you?

Compare live prices for the EOS R1 and OM-5 Mark II 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

EOS R1
OM-5 Mark II
Resolution
24.2 MP+19%
20.4 MP
Sensor type
Full Frame BSI Stacked CMOS
Four Thirds Live MOS
Sensor size
36.0 × 24.0 mm
17.3 × 13.0 mm
AA filter
Yes
No
EOS R1
OM-5 Mark II
Processor
DIGIC Accelerator + DIGIC X
TruePic X
EOS R1
OM-5 Mark II
ISO min (native)
100
100
ISO max (native)
102,400+2 stops
25,600
ISO max (expanded)
409,600
102,400
EOS R1
OM-5 Mark II
Shutter type
Mechanical + Electronic
Mechanical + Electronic
Max mechanical speed
1/8000 sec
1/8000 sec
Max electronic speed
1/64000 sec
1/16000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for portraits, EOS R1 or OM-5 Mark II?

EOS R1 scores 7.5/10 versus 4.0/10 for OM-5 Mark II — 24.2MP — solid resolution.

What's the resolution difference between the EOS R1 and OM-5 Mark II?

EOS R1 is 24.2 MP and OM-5 Mark II is 20.4 MP, so the EOS R1 captures more detail for cropping and large prints.

Do the EOS R1 and OM-5 Mark II have in-body image stabilization?

EOS R1 has 8.5-stop in-body image stabilization, while OM-5 Mark II has 7.5-stop in-body image stabilization.

Which shoots faster bursts — the EOS R1 or the OM-5 Mark II?

EOS R1 reaches 40 fps electronic. OM-5 Mark II reaches 15 fps electronic.

What's the weight difference between the EOS R1 and OM-5 Mark II?

EOS R1 weighs 920 g and OM-5 Mark II weighs 414 g, so the OM-5 Mark II is 506 g lighter.

Do the EOS R1 and OM-5 Mark II record 4K video?

EOS R1: 6K RAW (max), 4K up to 120p. OM-5 Mark II: 4K up to 60p.

Are the EOS R1 and OM-5 Mark II weather sealed?

EOS R1: Yes. OM-5 Mark II: Yes.

Which has better battery life?

Rated battery life is 1,330 shots (CIPA) for the EOS R1 and 640 shots for the OM-5 Mark II, giving the EOS R1 the edge.

How much does each cost?

EOS R1 launched at $6,299 and OM-5 Mark II at $1,299. The OM-5 Mark II is $5,000 less.

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

Add any camera to get a three-way EOS R1 vs OM-5 Mark II vs X comparison.

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

Product images courtesy of Canon and OM System press materials.