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Alpha 1

Sony

Alpha 1

Original 50MP stacked flagship for sports and wildlife pros.

$6,499

Launch price

Released Jan 2021

vs

Sony

FX2

Compact full-frame cinema camera with 4K 120p, S-Cinetone, and active cooling.

$2,499

Launch price

Released Feb 2025

FX2 is 4.1 years newer.

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Wins

7categories

Alpha 1

Video & HybridLandscape

Wins

4categories

FX2

PortraitWildlife

7 categories tied

Which would you choose?

TL;DR — Key differences

Alpha 1 wins 5 categories·FX2 wins 0 categories
  • AAlpha 1 has higher Burst (electronic) (30 fps vs 10 fps)
  • AAlpha 1 has higher EVF resolution (9,437,184 vs 3,690,000)
  • AAlpha 1 has higher 4K max frame rate (120 fps vs 60 fps)
  • AAlpha 1 has higher EVF refresh rate (240 Hz vs 120 Hz)
  • AAlpha 1 has higher RAW buffer depth (200 frames vs 120 frames)

Key specs at a glance

Alpha 1FX2
Resolution50.1 MP33 MP
SensorFull FrameFull Frame
ISO max32,00051,200
Burst30 fps10 fps
4K120 fps60 fps
IBIS5.5-stop5.5-stop
Weight737 g720 g
Battery530 shots640 shots

Size and weight, to scale

Alpha 1 front view

Alpha 1

129 × 97 × 81 mm

737 g (1.62 lb / 26.00 oz)

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

Credit card

85.6 × 54 mm

for scale

FX2

138 × 98 × 88 mm

720 g (1.59 lb / 25.40 oz)

Alpha 1 is 9mm narrower, 1mm shorter, and 7mm thinner than FX2.

Alpha 1 is 17 g heavier than FX2.

Depth (front-to-back): 81mm Alpha 1 · 88mm FX2

Back view, to scale

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

Alpha 1 back view

Alpha 1

129 × 97 mm

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

Credit card

85.6 × 54 mm

FX2

138 × 98 mm

Top view, to scale

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

Alpha 1 top view

Alpha 1

129 × 81 mm

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

Credit card

85.6 × 54 mm

FX2

138 × 88 mm

Sensor size, to scale

Alpha 1

35.9 × 24 mm · Full Frame

862 mm² area

FX2

35.9 × 23.9 mm · Full Frame

858 mm² area

Lens ecosystem

Native lens selection

Alpha 1

✓ more lenses

Sony E

350+

native lenses available

80 first-party270 third-party

FX2

✓ 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 caseAlpha 1FX2
Portrait
8.5Excellent✓ wins
8.0Excellent
Sports & Action
8.0Excellent✓ wins
5.5Fair
Video & Hybrid
9.5Excellent✓ wins
7.5Good
Landscape
9.0Excellent✓ wins
7.5Good
Travel
6.0Good
7.5Good✓ wins
Wildlife
7.5Good
8.0Excellent✓ wins
Vlogging
5.5Fair
5.5Fair

Why pick one over the other

Reasons to choose

Alpha 1

  • Dimensions (W×H×D mm)

    Adds 128.9, 96.9, 80.8

  • Burst (electronic)

    30 fps vs 10 fps — higher is better

  • EVF resolution

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

  • 4K max frame rate

    120 fps vs 60 fps — higher is better

  • EVF refresh rate

    240 Hz vs 120 Hz — higher is better

  • RAW buffer depth

    200 frames vs 120 frames — higher is better

  • Resolution

    50.1 MP vs 33 MP — higher is better

  • EVF magnification

    0.9 × vs 0.78 × — higher is better

Reasons to choose

FX2

  • Dimensions (W×H×D mm)

    Adds 138, 98, 88

  • Subject recognition

    Adds Insect, Car/Train, Airplane

  • ISO max (native)

    51,200 vs 32,000 — higher is better

  • Max video bit rate

    200 Mbps vs 150 Mbps — higher is better

  • Battery life (CIPA)

    640 shots vs 530 shots — higher is better

  • Weight

    720 g vs 737 g — lower is better

Both cameras share

  • AA filterBoth support aa filter
  • ISO min (native)Both 100
  • AF points / zonesBoth 759
  • AF frame coverageBoth 94 %
  • Eye AFBoth support eye af
  • Animal / bird AFBoth support animal / bird af

Pros & cons at a glance

Editorially curated highlights and trade-offs.

Alpha 1

Pros

  • 50MP stacked
  • 30fps burst
  • 8K video
  • Pro AF

Cons

  • Superseded by A1 II
  • Very expensive
  • Large files

FX2

Pros

  • 4K 120p
  • S-Cinetone / S-Log3
  • Compact cinema body
  • Active cooling

Cons

  • No EVF
  • Photo ergonomics limited
  • Premium price

Decided which one is right for you?

Compare live prices for the Alpha 1 and FX2 at major authorized retailers.

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Full specifications

= category winner

Alpha 1
FX2
Resolution
50.1 MP+52%
33 MP
Sensor type
Full Frame Stacked Exmor RS CMOS
Full Frame Exmor R CMOS
Sensor size
35.9 × 24.0 mm
35.9 × 23.9 mm
AA filter
Yes
Yes
Alpha 1
FX2
Processor
BIONZ XR
BIONZ XR + AI processing unit
Alpha 1
FX2
ISO min (native)
100
100
ISO max (native)
32,000
51,200+0.7 stops
ISO max (expanded)
102,400
204,800
Alpha 1
FX2
Shutter type
Mechanical + Electronic
Mechanical + Electronic
Max mechanical speed
1/8000 sec
1/8000 sec
Max electronic speed
1/32000 sec
1/16000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for sports, Alpha 1 or FX2?

Alpha 1 scores 8.0/10 versus 5.5/10 for FX2 — 30fps burst — pro-level action capture.

What's the resolution difference between the Alpha 1 and FX2?

Alpha 1 is 50.1 MP and FX2 is 33 MP, so the Alpha 1 captures more detail for cropping and large prints.

Do the Alpha 1 and FX2 have in-body image stabilization?

Alpha 1 has 5.5-stop in-body image stabilization, while FX2 has 5.5-stop in-body image stabilization.

Which shoots faster bursts — the Alpha 1 or the FX2?

Alpha 1 reaches 30 fps electronic. FX2 reaches 10 fps electronic.

What's the weight difference between the Alpha 1 and FX2?

Alpha 1 weighs 737 g and FX2 weighs 720 g, so the FX2 is 17 g lighter.

Do the Alpha 1 and FX2 record 4K video?

Alpha 1: 8K (max), 4K up to 120p. FX2: 4K up to 60p.

Are the Alpha 1 and FX2 weather sealed?

Alpha 1: Yes. FX2: Yes.

Which has better battery life?

Rated battery life is 530 shots (CIPA) for the Alpha 1 and 640 shots for the FX2, giving the FX2 the edge.

How much does each cost?

Alpha 1 launched at $6,499 and FX2 at $2,499. The FX2 is $4,000 less.

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

Add any camera to get a three-way Alpha 1 vs FX2 vs X comparison.

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

Product images courtesy of Sony press materials.