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OM System

PEN-F

Retro-styled MFT rangefinder body with 20MP sensor, built-in EVF, and classic dial controls.

$1,199

Launch price

Released Jan 2016

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 8.8 years newer.

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Wins

5categories

PEN-F

Sports & ActionVlogging

Wins

10categories

Alpha 1 II

Sports & ActionVideo & Hybrid

3 categories tied

Which would you choose?

TL;DR — Key differences

PEN-F wins 0 categories·Alpha 1 II wins 5 categories
  • BAlpha 1 II has higher EVF resolution (9,437,184 vs 2,360,000)
  • BAlpha 1 II has higher RAW buffer depth (200 frames vs 60 frames)
  • BAlpha 1 II has higher Resolution (50.1 MP vs 20.3 MP)
  • BAlpha 1 II has higher Burst (electronic) (30 fps vs 15 fps)
  • BAlpha 1 II has higher 4K max frame rate (120 fps vs 60 fps)

Key specs at a glance

PEN-FAlpha 1 II
Resolution20.3 MP50.1 MP
SensorMFTFull Frame
ISO max25,60032,000
Burst15 fps30 fps
4K60 fps120 fps
IBIS6-stop8.5-stop
Weight427 g743 g
Battery640 shots520 shots

Size and weight, to scale

PEN-F

125 × 72 × 37 mm

427 g (0.94 lb / 15.06 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)

PEN-F is 11mm narrower, 25mm shorter, and 46mm thinner than Alpha 1 II.

PEN-F is 316 g lighter than Alpha 1 II.

Depth (front-to-back): 37mm PEN-F · 83mm Alpha 1 II

Sensor size, to scale

PEN-F

17.3 × 13 mm · Micro Four Thirds

225 mm² area

Alpha 1 II

35.9 × 24 mm · Full Frame

862 mm² area

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

Lens ecosystem

Native lens selection

PEN-F

Micro Four Thirds

130+

native lenses available

60 first-party70 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 casePEN-FAlpha 1 II
Portrait
4.0Fair
8.5Excellent✓ wins
Sports & Action
7.5Good
10.0Excellent✓ wins
Video & Hybrid
6.0Good
9.5Excellent✓ wins
Landscape
2.0Limited
9.0Excellent✓ wins
Travel
6.5Good✓ wins
6.0Good
Wildlife
6.5Good
9.5Excellent✓ wins
Vlogging
7.5Good✓ wins
5.5Fair

Why pick one over the other

Reasons to choose

PEN-F

  • AF low-light limit

    -7 EV vs -4 EV — lower is better

  • Dimensions (W×H×D mm)

    Adds 124.8, 72.1, 37.3

  • Weight

    427 g vs 743 g — lower is better

  • AF points / zones

    1053 vs 759 — higher is better

  • Subject recognition

    Adds Vehicle

  • Battery life (CIPA)

    640 shots vs 520 shots — higher is better

  • AF frame coverage

    100 % vs 94 % — higher is better

Reasons to choose

Alpha 1 II

  • Dimensions (W×H×D mm)

    Adds 136.1, 96.9, 82.9

  • EVF resolution

    9,437,184 vs 2,360,000 — higher is better

  • RAW buffer depth

    200 frames vs 60 frames — higher is better

  • Codecs

    Adds XAVC HS, XAVC S, XAVC S-I

  • Resolution

    50.1 MP vs 20.3 MP — higher is better

  • AA filter

    Only Alpha 1 II supports it

  • Subject recognition

    Adds Insect, Car/Train, Airplane

  • Burst (electronic)

    30 fps vs 15 fps — higher is better

Both cameras share

  • 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
  • Max video bit rateBoth 150 Mbps
  • In-body stabilization (IBIS)Both support in-body stabilization (ibis)

Pros & cons at a glance

Editorially curated highlights and trade-offs.

PEN-F

Pros

  • Beautiful retro design
  • Built-in EVF
  • 20MP MFT
  • Creative dial modes

Cons

  • No IBIS
  • MFT sensor
  • Discontinued

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 PEN-F and Alpha 1 II 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

PEN-F
Alpha 1 II
Resolution
20.3 MP
50.1 MP2.5× more
Sensor type
Four Thirds Live MOS
Full Frame Stacked Exmor RS CMOS
Sensor size
17.3 × 13.0 mm
35.9 × 24.0 mm
AA filter
No
Yes
PEN-F
Alpha 1 II
Processor
TruePic X
BIONZ XR + AI processing unit
PEN-F
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
PEN-F
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 landscape, PEN-F or Alpha 1 II?

Alpha 1 II scores 9.0/10 versus 2.0/10 for PEN-F — 50.1MP — massive detail for large prints.

What's the resolution difference between the PEN-F and Alpha 1 II?

PEN-F is 20.3 MP and Alpha 1 II is 50.1 MP, so the Alpha 1 II captures more detail for cropping and large prints.

Do the PEN-F and Alpha 1 II have in-body image stabilization?

PEN-F has 6-stop in-body image stabilization, while Alpha 1 II has 8.5-stop in-body image stabilization.

Which shoots faster bursts — the PEN-F or the Alpha 1 II?

PEN-F reaches 15 fps electronic. Alpha 1 II reaches 30 fps electronic.

What's the weight difference between the PEN-F and Alpha 1 II?

PEN-F weighs 427 g and Alpha 1 II weighs 743 g, so the PEN-F is 316 g lighter.

Do the PEN-F and Alpha 1 II record 4K video?

PEN-F: 4K up to 60p. Alpha 1 II: 8K (max), 4K up to 120p.

Are the PEN-F and Alpha 1 II weather sealed?

PEN-F: No. Alpha 1 II: Yes.

Which has better battery life?

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

How much does each cost?

PEN-F launched at $1,199 and Alpha 1 II at $6,499. The PEN-F is $5,300 less.

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

Add any camera to get a three-way PEN-F 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 OM System and Sony press materials.