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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
Lumix S1 IIE

Panasonic

Lumix S1 IIE

Creative full-frame S-series body with 24.2MP BSI sensor, open-gate video, and S1 II ergonomics.

$2,499

Launch price

Released May 2025

Lumix S1 IIE is 10 months newer.

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Wins

10categories

EOS R1

Sports & ActionVideo & Hybrid

Wins

1categories

Lumix S1 IIE

Sports & ActionPortrait

4 categories tied

Which would you choose?

TL;DR — Key differences

EOS R1 wins 5 categories·Lumix S1 IIE wins 0 categories
  • AEOS R1 has higher Battery life (CIPA) (1330 shots vs 350 shots)
  • AEOS R1 has higher 4K max frame rate (120 fps vs 59.94 fps)
  • AEOS R1 has higher ISO max (native) (102,400 vs 51,200)
  • AEOS R1 has higher EVF resolution (9,440,000 vs 5,760,000)
  • AEOS R1 has higher AF points / zones (1053 vs 779)

Key specs at a glance

EOS R1Lumix S1 IIE
Resolution24.2 MP24.2 MP
SensorFull FrameAPS-C
ISO max102,40051,200
Burst40 fps30 fps
4K120 fps59.94 fps
IBIS8.5-stop8-stop
Weight920 g794 g
Battery1330 shots350 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

Lumix S1 IIE front view

Lumix S1 IIE

134 × 102 × 92 mm

794 g (1.75 lb / 28.01 oz)

EOS R1 is 4mm thinner than Lumix S1 IIE but it is also 23mm wider and 47mm taller.

EOS R1 is 126 g heavier than Lumix S1 IIE.

Depth (front-to-back): 87mm EOS R1 · 92mm Lumix S1 IIE

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

Lumix S1 IIE back view

Lumix S1 IIE

134 × 102 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

Lumix S1 IIE top view

Lumix S1 IIE

134 × 92 mm

Sensor size, to scale

EOS R1

36 × 24 mm · Full Frame

864 mm² area

Lumix S1 IIE

35.8 × 23.8 mm · Full Frame

852 mm² area

Lens ecosystem

Native lens selection

EOS R1

✓ more lenses

Canon RF

105+

native lenses available

45 first-party60 third-party

Lumix S1 IIE: mount data unavailable

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 R1Lumix S1 IIE
Portrait
7.5Good
7.5Good
Sports & Action
10.0Excellent✓ wins
9.5Excellent
Video & Hybrid
9.0Excellent✓ wins
7.5Good
Landscape
7.0Good
7.0Good
Travel
6.5Good✓ wins
5.5Fair
Wildlife
6.5Good
6.5Good
Vlogging
5.5Fair✓ wins
4.5Fair

Why pick one over the other

Reasons to choose

EOS R1

  • AF low-light limit

    -7.5 EV vs -6 EV — lower is better

  • Dimensions (W×H×D mm)

    Adds 157.6, 149.5, 87.3

  • Subject recognition

    Adds Dogs, Cats, Birds…

  • Battery life (CIPA)

    1330 shots vs 350 shots — higher is better

  • Codecs

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

  • 4K max frame rate

    120 fps vs 59.94 fps — higher is better

  • AA filter

    Only EOS R1 supports it

  • ISO max (native)

    102,400 vs 51,200 — higher is better

Reasons to choose

Lumix S1 IIE

  • Dimensions (W×H×D mm)

    Adds 134.37, 102.36, 91.69

  • Subject recognition

    Adds Animals, Vehicles

  • Codecs

    Adds ProRes RAW, ProRes RAW HQ

  • Card types

    Adds SD/SDHC/SDXC

  • Weight

    794 g vs 920 g — lower is better

Both cameras share

  • ResolutionBoth 24.2 MP
  • ISO min (native)Both 100
  • 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

Lumix S1 IIE

Pros

  • 24.2MP full-frame BSI sensor
  • 6K open gate
  • Phase Hybrid AF
  • Tilt/free-angle monitor

Cons

  • Less speed than S1 II
  • Premium over S5 II
  • L-mount lens size

Decided which one is right for you?

Compare live prices for the EOS R1 and Lumix S1 IIE 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
Lumix S1 IIE
Resolution
24.2 MP
24.2 MP
Sensor type
Full Frame BSI Stacked CMOS
CMOS
Sensor size
36.0 × 24.0 mm
35.8 x 23.8
AA filter
Yes
No
EOS R1
Lumix S1 IIE
Processor
DIGIC Accelerator + DIGIC X
Venus Engine
EOS R1
Lumix S1 IIE
ISO min (native)
100
100
ISO max (native)
102,400+1 stop
51,200
ISO max (expanded)
409,600
204,800
EOS R1
Lumix S1 IIE
Shutter type
Mechanical + Electronic
Mechanical Focal Plane Shutter and Electronic Rolling Shutter
Max mechanical speed
1/8000 sec
1/8000
Max electronic speed
1/64000 sec
1/16000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for video, EOS R1 or Lumix S1 IIE?

EOS R1 scores 9.0/10 versus 7.5/10 for Lumix S1 IIE — 6K video for oversampled 4K.

What's the resolution difference between the EOS R1 and Lumix S1 IIE?

Both cameras share the same 24.2 MP resolution.

Do the EOS R1 and Lumix S1 IIE have in-body image stabilization?

EOS R1 has 8.5-stop in-body image stabilization, while Lumix S1 IIE has 8-stop in-body image stabilization.

Which shoots faster bursts — the EOS R1 or the Lumix S1 IIE?

EOS R1 reaches 40 fps electronic. Lumix S1 IIE reaches 30 fps electronic.

What's the weight difference between the EOS R1 and Lumix S1 IIE?

EOS R1 weighs 920 g and Lumix S1 IIE weighs 794 g, so the Lumix S1 IIE is 126 g lighter.

Do the EOS R1 and Lumix S1 IIE record 4K video?

EOS R1: 6K RAW (max), 4K up to 120p. Lumix S1 IIE: 6K Open Gate (max), 4K up to 59.94p.

Are the EOS R1 and Lumix S1 IIE weather sealed?

EOS R1: Yes. Lumix S1 IIE: Yes.

Which has better battery life?

Rated battery life is 1,330 shots (CIPA) for the EOS R1 and 350 shots for the Lumix S1 IIE, giving the EOS R1 the edge.

How much does each cost?

EOS R1 launched at $6,299 and Lumix S1 IIE at $2,499. The Lumix S1 IIE is $3,800 less.

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

Add any camera to get a three-way EOS R1 vs Lumix S1 IIE vs X comparison.

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

Product images courtesy of Canon and Panasonic press materials.