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Q3

Leica

Q3

Full-frame fixed 28mm f/1.7 premium compact for documentary and travel.

$5,995

Launch price

Released May 2023

vs

OM System

OM-1 II

Flagship MFT with stacked sensor, 120fps, and pro wildlife features.

$2,399

Launch price

Released Feb 2024

OM-1 II is 8 months newer.

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Wins

3categories

Q3

LandscapePortrait

Wins

5categories

OM-1 II

Sports & ActionTravel

4 categories tied

Which would you choose?

TL;DR — Key differences

Q3 wins 2 categories·OM-1 II wins 3 categories
  • BOM-1 II has higher Burst (electronic) (120 fps vs 15 fps)
  • AQ3 has higher Resolution (60.3 MP vs 20.4 MP)
  • BOM-1 II has higher Burst (mechanical) (10 fps vs 4 fps)
  • AQ3 has lower ISO min (native) (50 vs 80)
  • BOM-1 II has higher Battery life (CIPA) (520 shots vs 350 shots)

Key specs at a glance

Q3OM-1 II
Resolution60.3 MP20.4 MP
SensorFull FrameMFT
ISO max100,000102,400
Burst15 fps120 fps
4K60 fps60 fps
IBISNo8.5-stop
Weight743 g599 g
Battery350 shots520 shots

Size and weight, to scale

Q3 front view

Q3

130 × 80 × 92 mm

743 g (1.64 lb / 26.21 oz)

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

Credit card

85.6 × 54 mm

for scale

OM-1 II

135 × 92 × 73 mm

599 g (1.32 lb / 21.13 oz)

Q3 is 5mm narrower and 12mm shorter than OM-1 II but it is also 19mm thicker.

Q3 is 144 g heavier than OM-1 II.

Depth (front-to-back): 92mm Q3 · 73mm OM-1 II

Back view, to scale

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

Q3 back view

Q3

130 × 80 mm

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

Credit card

85.6 × 54 mm

OM-1 II

135 × 92 mm

Top view, to scale

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

Q3 top view

Q3

130 × 92 mm

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

Credit card

85.6 × 54 mm

OM-1 II

135 × 73 mm

Sensor size, to scale

Q3

36 × 24 mm · Full Frame

864 mm² area

OM-1 II

17.4 × 13 mm · Compact / large-type

226 mm² area

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

Lens ecosystem

Native lens selection

Q3: mount data unavailable

OM-1 II

✓ more lenses

Micro Four Thirds

130+

native lenses available

60 first-party70 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 caseQ3OM-1 II
Portrait
7.5Good✓ wins
4.0Fair
Sports & Action
5.0Fair
10.0Excellent✓ wins
Video & Hybrid
5.5Fair
5.5Fair
Landscape
8.0Excellent✓ wins
2.5Limited
Travel
4.5Fair
7.0Good✓ wins
Wildlife
5.5Fair
6.5Good✓ wins
Vlogging
3.0Limited
7.0Good✓ wins

Why pick one over the other

Reasons to choose

Q3

  • Subject recognition

    Adds Human, Face, Eye…

  • Dimensions (W×H×D mm)

    Adds 130, 80, 92

  • Resolution

    60.3 MP vs 20.4 MP — higher is better

  • ISO min (native)

    50 vs 80 — lower is better

  • Codecs

    Adds ProRes

  • EVF magnification

    0.79 × vs 0.78 × — higher is better

Reasons to choose

OM-1 II

  • Subject recognition

    Adds People, Birds, Animals…

  • Dimensions (W×H×D mm)

    Adds 134.8, 91.6, 72.7

  • Burst (electronic)

    120 fps vs 15 fps — higher is better

  • Burst (mechanical)

    10 fps vs 4 fps — higher is better

  • Pre-Capture / Pre-Release

    Only OM-1 II supports it

  • In-body stabilization (IBIS)

    Only OM-1 II supports it

  • Card types

    Adds SD UHS-I

  • Microphone jack (3.5mm)

    Only OM-1 II supports it

Both cameras share

  • Eye AFBoth support eye af
  • Animal / bird AFBoth support animal / bird af
  • 4K max frame rateBoth 60 fps
  • Max video bit rateBoth 150 Mbps
  • Weather sealingBoth support weather sealing
  • Card slotsBoth 1

Pros & cons at a glance

Editorially curated highlights and trade-offs.

Q3

Pros

  • 60MP full-frame
  • Summilux 28mm lens
  • Built like a tank
  • Unique aesthetic

Cons

  • Fixed lens
  • Very expensive
  • No interchangeable system

OM-1 II

Pros

  • 120fps stills
  • Stacked MFT
  • IP53 weather sealing
  • Computational features

Cons

  • MFT sensor size
  • Smaller ecosystem
  • Menu complexity

Decided which one is right for you?

Compare live prices for the Q3 and OM-1 II at major authorized retailers.

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Full specifications

= category winner

Q3
OM-1 II
Resolution
60.3 MP3× more
20.4 MP
Sensor type
Full-frame BSI CMOS
4/3 Stacked BSI Live MOS
Sensor size
36 x 24 mm
17.4 x 13.0 mm
AA filter
No
No
Q3
OM-1 II
Aperture
f/1.7
Focal length (35mm equiv.)
28 mm
Q3
OM-1 II
Processor
Maestro Series processor with L2 Technology
TruePic X
Q3
OM-1 II
ISO min (native)
50−30 less
80
ISO max (native)
100,000
102,400
ISO max (expanded)
100,000
102,400
Q3
OM-1 II
Shutter type
Electronic + mechanical shutter
Computerised focal-plane shutter + electronic shutter
Max mechanical speed
1/2000 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, Q3 or OM-1 II?

Q3 scores 8.0/10 versus 2.5/10 for OM-1 II — 60.3MP — massive detail for large prints.

What's the resolution difference between the Q3 and OM-1 II?

Q3 is 60.3 MP and OM-1 II is 20.4 MP, so the Q3 captures more detail for cropping and large prints.

Do the Q3 and OM-1 II have in-body image stabilization?

Q3 does not have IBIS, while OM-1 II has 8.5-stop in-body image stabilization.

Which shoots faster bursts — the Q3 or the OM-1 II?

Q3 reaches 15 fps electronic. OM-1 II reaches 120 fps electronic.

What's the weight difference between the Q3 and OM-1 II?

Q3 weighs 743 g and OM-1 II weighs 599 g, so the OM-1 II is 144 g lighter.

Do the Q3 and OM-1 II record 4K video?

Q3: 8K (max), 4K up to 60p. OM-1 II: 4K up to 60p.

Are the Q3 and OM-1 II weather sealed?

Q3: Yes. OM-1 II: Yes.

Which has better battery life?

Rated battery life is 350 shots (CIPA) for the Q3 and 520 shots for the OM-1 II, giving the OM-1 II the edge.

How much does each cost?

Q3 launched at $5,995 and OM-1 II at $2,399. The OM-1 II is $3,596 less.

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

Add any camera to get a three-way Q3 vs OM-1 II vs X comparison.

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

Product images courtesy of Leica and OM System press materials.