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Panasonic

Lumix BS1H

Box-style L-mount cinema camera with S1H full-frame sensor, 6K, dual native ISO, and genlock/timecode.

$3,499

Launch price

Released May 2021

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

Alpha 1 II is 3.5 years newer.

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Wins

2categories

Lumix BS1H

Video & HybridPortrait

Wins

13categories

Alpha 1 II

Sports & ActionVideo & Hybrid

3 categories tied

Which would you choose?

TL;DR — Key differences

Lumix BS1H wins 0 categories·Alpha 1 II wins 5 categories
  • BAlpha 1 II has higher AF points / zones (759 vs 225)
  • BAlpha 1 II has higher EVF resolution (9,437,184 vs 3,690,000)
  • 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 60 fps)
  • BAlpha 1 II has higher EVF refresh rate (240 Hz vs 120 Hz)

Key specs at a glance

Lumix BS1HAlpha 1 II
Resolution24.2 MP50.1 MP
SensorFull FrameFull Frame
ISO max25,60032,000
Burst20 fps30 fps
4K60 fps120 fps
IBIS7-stop8.5-stop
Weight870 g743 g
Battery640 shots520 shots

Size and weight, to scale

Lumix BS1H

94 × 94 × 66 mm

870 g (1.92 lb / 30.69 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 BS1H is 43mm narrower, 3mm shorter, and 17mm thinner than Alpha 1 II.

Lumix BS1H is 127 g heavier than Alpha 1 II.

Depth (front-to-back): 66mm Lumix BS1H · 83mm Alpha 1 II

Sensor size, to scale

Lumix BS1H

35.6 × 23.8 mm · Full Frame

847 mm² area

Alpha 1 II

35.9 × 24 mm · Full Frame

862 mm² area

Lens ecosystem

Native lens selection

Lumix BS1H

Leica L

80+

native lenses available

30 first-party50 third-party

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 BS1HAlpha 1 II
Portrait
7.5Good
8.5Excellent✓ wins
Sports & Action
6.5Good
10.0Excellent✓ wins
Video & Hybrid
8.5Excellent
9.5Excellent✓ wins
Landscape
5.5Fair
9.0Excellent✓ wins
Travel
5.0Fair
6.0Good✓ wins
Wildlife
7.5Good
9.5Excellent✓ wins
Vlogging
5.5Fair
5.5Fair

Why pick one over the other

Reasons to choose

Lumix BS1H

  • Codecs

    Adds V-Log, ProRes

  • Dimensions (W×H×D mm)

    Adds 93.5, 93.5, 66.4

  • Subject recognition

    Adds Vehicle

  • Max video bit rate

    200 Mbps vs 150 Mbps — higher is better

  • Battery life (CIPA)

    640 shots vs 520 shots — higher is better

Reasons to choose

Alpha 1 II

  • Codecs

    Adds XAVC HS, XAVC S, XAVC S-I…

  • Dimensions (W×H×D mm)

    Adds 136.1, 96.9, 82.9

  • AF points / zones

    759 vs 225 — higher is better

  • EVF resolution

    9,437,184 vs 3,690,000 — higher is better

  • Resolution

    50.1 MP vs 24.2 MP — higher is better

  • Subject recognition

    Adds Insect, Car/Train, Airplane

  • 4K max frame rate

    120 fps vs 60 fps — higher is better

  • Weather sealing

    Only Alpha 1 II supports it

Both cameras share

  • AA filterBoth support aa filter
  • ISO min (native)Both 100
  • Eye AFBoth support eye af
  • Animal / bird AFBoth support animal / bird af
  • Pre-Capture / Pre-ReleaseBoth support pre-capture / pre-release
  • Internal RAW videoBoth support internal raw video

Pros & cons at a glance

Editorially curated highlights and trade-offs.

Lumix BS1H

Pros

  • S1H sensor in box form
  • 6K recording
  • Dual native ISO
  • Genlock & timecode

Cons

  • No screen
  • Requires external monitor
  • Box ergonomics only

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 BS1H and Alpha 1 II at major authorized retailers.

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Full specifications

= category winner

Lumix BS1H
Alpha 1 II
Resolution
24.2 MP
50.1 MP2.1× more
Sensor type
Full Frame CMOS
Full Frame Stacked Exmor RS CMOS
Sensor size
35.6 × 23.8 mm
35.9 × 24.0 mm
AA filter
Yes
Yes
Lumix BS1H
Alpha 1 II
Processor
Venus Engine
BIONZ XR + AI processing unit
Lumix BS1H
Alpha 1 II
ISO min (native)
100
100
ISO max (native)
25,600
32,000+0.3 stops
ISO max (expanded)
102,400
102,400
Lumix BS1H
Alpha 1 II
Shutter type
Mechanical + Electronic
Mechanical + Electronic
Max mechanical speed
1/8000 sec
1/8000 sec
Max electronic speed
1/16000 sec
1/32000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for sports, Lumix BS1H or Alpha 1 II?

Alpha 1 II scores 10.0/10 versus 6.5/10 for Lumix BS1H — 30fps burst — pro-level action capture.

What's the resolution difference between the Lumix BS1H and Alpha 1 II?

Lumix BS1H 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 BS1H and Alpha 1 II have in-body image stabilization?

Lumix BS1H has 7-stop in-body image stabilization, while Alpha 1 II has 8.5-stop in-body image stabilization.

Which shoots faster bursts — the Lumix BS1H or the Alpha 1 II?

Lumix BS1H reaches 20 fps electronic. Alpha 1 II reaches 30 fps electronic.

What's the weight difference between the Lumix BS1H and Alpha 1 II?

Lumix BS1H weighs 870 g and Alpha 1 II weighs 743 g, so the Alpha 1 II is 127 g lighter.

Do the Lumix BS1H and Alpha 1 II record 4K video?

Lumix BS1H: 6K (max), 4K up to 60p. Alpha 1 II: 8K (max), 4K up to 120p.

Are the Lumix BS1H and Alpha 1 II weather sealed?

Lumix BS1H: No. Alpha 1 II: Yes.

Which has better battery life?

Rated battery life is 640 shots (CIPA) for the Lumix BS1H and 520 shots for the Alpha 1 II, giving the Lumix BS1H the edge.

How much does each cost?

Lumix BS1H launched at $3,499 and Alpha 1 II at $6,499. The Lumix BS1H is $3,000 less.

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

Add any camera to get a three-way Lumix BS1H vs Alpha 1 II vs X comparison.

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

Product images courtesy of Panasonic and Sony press materials.