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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

vs
Alpha 1 II

Sony

Alpha 1 II

50MP stacked flagship with 30fps RAW, 8K video, and Sony's fastest hybrid performance.

$6,499

Launch price

Released Nov 2024

Lumix S1 IIE is 6 months newer.

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Wins

5categories

Lumix S1 IIE

Sports & ActionPortrait

Wins

8categories

Alpha 1 II

Sports & ActionVideo & Hybrid

5 categories tied

Which would you choose?

TL;DR — Key differences

Lumix S1 IIE wins 1 categories·Alpha 1 II wins 4 categories
  • ALumix S1 IIE has higher Max video bit rate (400 Mbps vs 150 Mbps)
  • BAlpha 1 II has higher Resolution (50.1 MP vs 24.2 MP)
  • BAlpha 1 II has higher 4K max frame rate (120 fps vs 59.94 fps)
  • BAlpha 1 II has higher EVF refresh rate (240 Hz vs 120 Hz)
  • BAlpha 1 II has higher EVF resolution (9,437,184 vs 5,760,000)

Key specs at a glance

Lumix S1 IIEAlpha 1 II
Resolution24.2 MP50.1 MP
SensorAPS-CFull Frame
ISO max51,20032,000
Burst30 fps30 fps
4K59.94 fps120 fps
IBIS8-stop8.5-stop
Weight794 g743 g
Battery350 shots520 shots

Size and weight, to scale

Lumix S1 IIE front view

Lumix S1 IIE

134 × 102 × 92 mm

794 g (1.75 lb / 28.01 oz)

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

Credit card

85.6 × 54 mm

for scale

Alpha 1 II front view

Alpha 1 II

136 × 97 × 83 mm

743 g (1.64 lb / 26.21 oz)

Lumix S1 IIE is 2mm narrower than Alpha 1 II but it is also 5mm taller and 9mm thicker.

Lumix S1 IIE is 51 g heavier than Alpha 1 II.

Depth (front-to-back): 92mm Lumix S1 IIE · 83mm Alpha 1 II

Back view, to scale

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

Lumix S1 IIE back view

Lumix S1 IIE

134 × 102 mm

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

Credit card

85.6 × 54 mm

Alpha 1 II

136 × 97 mm

Top view, to scale

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

Lumix S1 IIE top view

Lumix S1 IIE

134 × 92 mm

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

Credit card

85.6 × 54 mm

Alpha 1 II

136 × 83 mm

Sensor size, to scale

Lumix S1 IIE

35.8 × 23.8 mm · Full Frame

852 mm² area

Alpha 1 II

35.9 × 24 mm · Full Frame

862 mm² area

Lens ecosystem

Native lens selection

Lumix S1 IIE: mount data unavailable

Alpha 1 II

✓ more lenses

Sony E

350+

native lenses available

80 first-party270 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 caseLumix S1 IIEAlpha 1 II
Portrait
7.5Good
8.5Excellent✓ wins
Sports & Action
9.5Excellent
10.0Excellent✓ wins
Video & Hybrid
7.5Good
9.5Excellent✓ wins
Landscape
7.0Good
9.0Excellent✓ wins
Travel
5.5Fair
6.0Good✓ wins
Wildlife
6.5Good
9.5Excellent✓ wins
Vlogging
4.5Fair
5.5Fair✓ wins

Why pick one over the other

Reasons to choose

Lumix S1 IIE

  • AF low-light limit

    -6 EV vs -4 EV — lower is better

  • Subject recognition

    Adds Animals, People, Vehicles

  • Dimensions (W×H×D mm)

    Adds 134.37, 102.36, 91.69

  • Card types

    Adds CFexpress Type B, SD/SDHC/SDXC

  • Max video bit rate

    400 Mbps vs 150 Mbps — higher is better

  • Codecs

    Adds ProRes RAW, ProRes RAW HQ

  • ISO max (native)

    51,200 vs 32,000 — higher is better

  • AF frame coverage

    100 % vs 94 % — higher is better

Reasons to choose

Alpha 1 II

  • Subject recognition

    Adds Human, Animal, Bird…

  • Dimensions (W×H×D mm)

    Adds 136.1, 96.9, 82.9

  • Card types

    Adds CFexpress Type A, SD UHS-II

  • Codecs

    Adds XAVC HS, XAVC S, XAVC S-I

  • Resolution

    50.1 MP vs 24.2 MP — higher is better

  • 4K max frame rate

    120 fps vs 59.94 fps — higher is better

  • AA filter

    Only Alpha 1 II supports it

  • EVF refresh rate

    240 Hz vs 120 Hz — higher is better

Both cameras share

  • ISO min (native)Both 100
  • Eye AFBoth support eye af
  • Animal / bird AFBoth support animal / bird af
  • Burst (mechanical)Both 10 fps
  • Burst (electronic)Both 30 fps
  • Pre-Capture / Pre-ReleaseBoth support pre-capture / pre-release

Pros & cons at a glance

Editorially curated highlights and trade-offs.

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

Alpha 1 II

Pros

  • 50MP stacked sensor
  • 30fps blackout-free burst
  • 8K 30p video
  • Best Sony AF

Cons

  • Very expensive
  • Complex menus
  • Large files

Decided which one is right for you?

Compare live prices for the Lumix S1 IIE and Alpha 1 II at major authorized retailers.

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Full specifications

= category winner

Lumix S1 IIE
Alpha 1 II
Resolution
24.2 MP
50.1 MP2.1× more
Sensor type
CMOS
Full Frame Stacked Exmor RS CMOS
Sensor size
35.8 x 23.8
35.9 × 24.0 mm
AA filter
No
Yes
Lumix S1 IIE
Alpha 1 II
Processor
Venus Engine
BIONZ XR + AI processing unit
Lumix S1 IIE
Alpha 1 II
ISO min (native)
100
100
ISO max (native)
51,200+0.7 stops
32,000
ISO max (expanded)
204,800
102,400
Lumix S1 IIE
Alpha 1 II
Shutter type
Mechanical Focal Plane Shutter and Electronic Rolling Shutter
Mechanical + Electronic
Max mechanical speed
1/8000
1/8000 sec
Max electronic speed
1/16000 sec
1/32000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for wildlife, Lumix S1 IIE or Alpha 1 II?

Alpha 1 II scores 9.5/10 versus 6.5/10 for Lumix S1 IIE — 30fps burst captures fleeting moments.

What's the resolution difference between the Lumix S1 IIE and Alpha 1 II?

Lumix S1 IIE is 24.2 MP and Alpha 1 II is 50.1 MP, so the Alpha 1 II captures more detail for cropping and large prints.

Do the Lumix S1 IIE and Alpha 1 II have in-body image stabilization?

Lumix S1 IIE has 8-stop in-body image stabilization, while Alpha 1 II has 8.5-stop in-body image stabilization.

Which shoots faster bursts — the Lumix S1 IIE or the Alpha 1 II?

Lumix S1 IIE reaches 30 fps electronic. Alpha 1 II reaches 30 fps electronic.

What's the weight difference between the Lumix S1 IIE and Alpha 1 II?

Lumix S1 IIE weighs 794 g and Alpha 1 II weighs 743 g, so the Alpha 1 II is 51 g lighter.

Do the Lumix S1 IIE and Alpha 1 II record 4K video?

Lumix S1 IIE: 6K Open Gate (max), 4K up to 59.94p. Alpha 1 II: 8K (max), 4K up to 120p.

Are the Lumix S1 IIE and Alpha 1 II weather sealed?

Lumix S1 IIE: Yes. Alpha 1 II: Yes.

Which has better battery life?

Rated battery life is 350 shots (CIPA) for the Lumix S1 IIE and 520 shots for the Alpha 1 II, giving the Alpha 1 II the edge.

How much does each cost?

Lumix S1 IIE launched at $2,499 and Alpha 1 II at $6,499. The Lumix S1 IIE is $4,000 less.

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

Add any camera to get a three-way Lumix S1 IIE vs Alpha 1 II vs X comparison.

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

Product images courtesy of Panasonic and Sony press materials.