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Fujifilm

GFX ETERNA 55

G-mount large-format cinema camera with a 102MP GFX sensor, 8K recording, variable ND, 12G-SDI, and pro I/O.

$16,499

Launch price

Released Sep 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

GFX ETERNA 55 is 10 months newer.

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Wins

4categories

GFX ETERNA 55

Video & HybridSports & Action

Wins

7categories

Alpha 1 II

Sports & ActionVideo & Hybrid

1 categories tied

Which would you choose?

TL;DR — Key differences

GFX ETERNA 55 wins 1 categories·Alpha 1 II wins 4 categories
  • BAlpha 1 II has higher IBIS effectiveness (8.5 stops vs 0 stops)
  • AGFX ETERNA 55 has higher Max video bit rate (720 Mbps vs 150 Mbps)
  • BAlpha 1 II has lower ISO min (native) (100 vs 400)
  • BAlpha 1 II has lower Weight (743 g vs 2000 g)
  • BAlpha 1 II has higher ISO max (native) (32,000 vs 12,800)

Key specs at a glance

GFX ETERNA 55Alpha 1 II
Resolution102 MP50.1 MP
Sensor43.8 x 32.9 mmFull Frame
ISO max12,80032,000
4K60 fps120 fps
IBISNo8.5-stop
Weight2000 g743 g
Battery520 shots520 shots
Burst30 fps

Size and weight, to scale

GFX ETERNA 55

111 × 138 × 177 mm

2000 g (4.41 lb / 70.55 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)

GFX ETERNA 55 is 25mm narrower than Alpha 1 II but it is also 41mm taller and 94mm thicker.

GFX ETERNA 55 is 1257 g heavier than Alpha 1 II.

Depth (front-to-back): 177mm GFX ETERNA 55 · 83mm Alpha 1 II

Sensor size, to scale

GFX ETERNA 55

43.8 × 32.9 mm · Medium Format

1441 mm² area

Alpha 1 II

35.9 × 24 mm · Full Frame

862 mm² area

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

Lens ecosystem

Native lens selection

GFX ETERNA 55: 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 caseGFX ETERNA 55Alpha 1 II
Portrait
5.0Fair
8.5Excellent✓ wins
Sports & Action
6.0Good
10.0Excellent✓ wins
Video & Hybrid
6.5Good
9.5Excellent✓ wins
Landscape
6.0Good
9.0Excellent✓ wins
Travel
4.0Fair
6.0Good✓ wins
Wildlife
5.0Fair
9.5Excellent✓ wins
Vlogging
4.0Fair
5.5Fair✓ wins

Why pick one over the other

Reasons to choose

GFX ETERNA 55

  • Dimensions (W×H×D mm)

    Adds 110.8, 138.2, 176.8

  • Max video bit rate

    720 Mbps vs 150 Mbps — higher is better

  • Codecs

    Adds Apple ProRes 422 HQ, Apple ProRes 422, Apple ProRes 422 LT

  • Card types

    Adds CFexpress Type B, SSD via USB

  • Subject recognition

    Adds Face, Automobile, Motorcycle/Bike…

  • Resolution

    102 MP vs 50.1 MP — higher is better

  • Card slots

    3 vs 2 — higher is better

  • AF frame coverage

    100 % vs 94 % — higher is better

Reasons to choose

Alpha 1 II

  • IBIS effectiveness

    8.5 stops vs 0 stops — higher is better

  • Dimensions (W×H×D mm)

    Adds 136.1, 96.9, 82.9

  • Codecs

    Adds XAVC HS, XAVC S, XAVC S-I…

  • ISO min (native)

    100 vs 400 — lower is better

  • Weight

    743 g vs 2000 g — lower is better

  • ISO max (native)

    32,000 vs 12,800 — higher is better

  • AA filter

    Only Alpha 1 II supports it

  • Subject recognition

    Adds Human, Insect, Car/Train

Both cameras share

  • Eye AFBoth support eye af
  • Animal / bird AFBoth support animal / bird af
  • Weather sealingBoth support weather sealing
  • Battery life (CIPA)Both 520 shots
  • TouchscreenBoth support touchscreen
  • Wi-FiBoth support wi-fi

Pros & cons at a glance

Editorially curated highlights and trade-offs.

GFX ETERNA 55

Pros

  • Large-format 8K cinema capture
  • Electronic variable ND
  • 12G-SDI and GenLock
  • F-Log2 / F-Log2 C

Cons

  • Cinema-only body
  • Very expensive
  • Large and heavy

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 GFX ETERNA 55 and Alpha 1 II at major authorized retailers.

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Full specifications

= category winner

GFX ETERNA 55
Alpha 1 II
Resolution
102 MP2× more
50.1 MP
Sensor type
Medium Format GFX 102MP CMOS II HS
Full Frame Stacked Exmor RS CMOS
Sensor size
43.8 x 32.9 mm
35.9 × 24.0 mm
AA filter
No
Yes
GFX ETERNA 55
Alpha 1 II
Processor
X-Processor 5
BIONZ XR + AI processing unit
GFX ETERNA 55
Alpha 1 II
ISO min (native)
400
100−300 less
ISO max (native)
12,800
32,000+1.3 stops
ISO max (expanded)
25,600
102,400
GFX ETERNA 55
Alpha 1 II
Shutter type
Electronic shutter / shutter angle
Mechanical + Electronic
Max mechanical speed
1/8000 sec
Max electronic speed
1/8000 sec
1/32000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for wildlife, GFX ETERNA 55 or Alpha 1 II?

Alpha 1 II scores 9.5/10 versus 5.0/10 for GFX ETERNA 55 — 30fps burst captures fleeting moments.

What's the resolution difference between the GFX ETERNA 55 and Alpha 1 II?

GFX ETERNA 55 is 102 MP and Alpha 1 II is 50.1 MP, so the GFX ETERNA 55 captures more detail for cropping and large prints.

Do the GFX ETERNA 55 and Alpha 1 II have in-body image stabilization?

GFX ETERNA 55 does not have IBIS, while Alpha 1 II has 8.5-stop in-body image stabilization.

What's the weight difference between the GFX ETERNA 55 and Alpha 1 II?

GFX ETERNA 55 weighs 2000 g and Alpha 1 II weighs 743 g, so the Alpha 1 II is 1257 g lighter.

Do the GFX ETERNA 55 and Alpha 1 II record 4K video?

GFX ETERNA 55: 8K (max), 4K up to 60p. Alpha 1 II: 8K (max), 4K up to 120p.

Are the GFX ETERNA 55 and Alpha 1 II weather sealed?

GFX ETERNA 55: Yes. Alpha 1 II: Yes.

Which has better battery life?

Rated battery life is 520 shots (CIPA) for the GFX ETERNA 55 and 520 shots for the Alpha 1 II, giving the Alpha 1 II the edge.

How much does each cost?

GFX ETERNA 55 launched at $16,499 and Alpha 1 II at $6,499. The Alpha 1 II is $10,000 less.

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

Add any camera to get a three-way GFX ETERNA 55 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 Fujifilm and Sony press materials.