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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

Panasonic

Lumix ZS99

Pocket travel zoom with 20.3MP 1/2.3-inch sensor, 30x 24–720mm Leica lens, 4K30 video, 5-axis O.I.S., tilting touchscreen, and USB-C — successor to ZS80 without EVF.

$500

Launch price

Released Feb 2025

Lumix ZS99 is 1.8 years newer.

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Wins

5categories

Q3

LandscapePortrait

Wins

4categories

Lumix ZS99

1 categories tied

Which would you choose?

TL;DR — Key differences

Q3 wins 2 categories·Lumix ZS99 wins 3 categories
  • AQ3 has higher ISO max (native) (100,000 vs 6,400)
  • AQ3 has higher Resolution (60.3 MP vs 20.3 MP)
  • BLumix ZS99 has higher Burst (mechanical) (10 fps vs 4 fps)
  • BLumix ZS99 has lower Weight (322 g vs 743 g)
  • BLumix ZS99 has higher Burst (electronic) (30 fps vs 15 fps)

Key specs at a glance

Q3Lumix ZS99
Resolution60.3 MP20.3 MP
SensorFull Frame6.17 x 4.55 mm
ISO max100,0006,400
Burst15 fps30 fps
4K60 fps30 fps
IBISNoNo
Weight743 g322 g
Battery350 shots380 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

Lumix ZS99

112 × 68 × 43 mm

322 g (0.71 lb / 11.36 oz)

Q3 is 18mm wider, 12mm taller, and 49mm thicker than Lumix ZS99.

Q3 is 421 g heavier than Lumix ZS99.

Depth (front-to-back): 92mm Q3 · 43mm Lumix ZS99

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

Lumix ZS99

112 × 68 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

Lumix ZS99

112 × 43 mm

Sensor size, to scale

Q3

36 × 24 mm · Full Frame

864 mm² area

Lumix ZS99

6.17 × 4.55 mm · Compact

28 mm² area

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

Use-case scoring

Which one for what?

Algorithmic scores from verified specs · 10 = best in class

Use caseQ3Lumix ZS99
Portrait
7.5Good✓ wins
3.0Limited
Sports & Action
5.0Fair✓ wins
4.5Fair
Video & Hybrid
5.5Fair✓ wins
3.0Limited
Landscape
8.0Excellent✓ wins
0.0Limited
Travel
4.5Fair
4.5Fair
Wildlife
5.5Fair✓ wins
4.0Fair
Vlogging
3.0Limited
3.5Limited✓ wins

Why pick one over the other

Reasons to choose

Q3

  • Dimensions (W×H×D mm)

    Adds 130, 80, 92

  • Card types

    Adds SD UHS-II

  • ISO max (native)

    100,000 vs 6,400 — higher is better

  • Codecs

    Adds H.265, ProRes

  • Resolution

    60.3 MP vs 20.3 MP — higher is better

  • 4K max frame rate

    60 fps vs 30 fps — higher is better

  • Weather sealing

    Only Q3 supports it

  • ISO min (native)

    50 vs 80 — lower is better

Reasons to choose

Lumix ZS99

  • Dimensions (W×H×D mm)

    Adds 112, 67.8, 43.1

  • Card types

    Adds SD UHS-I

  • Burst (mechanical)

    10 fps vs 4 fps — higher is better

  • Weight

    322 g vs 743 g — lower is better

  • Burst (electronic)

    30 fps vs 15 fps — higher is better

  • Codecs

    Adds MP4

  • Battery life (CIPA)

    380 shots vs 350 shots — higher is better

Both cameras share

  • Eye AFBoth support eye af
  • Animal / bird AFBoth support animal / bird af
  • Card slotsBoth 1
  • TouchscreenBoth support touchscreen
  • Wi-FiBoth support wi-fi
  • BluetoothBoth support bluetooth

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

Lumix ZS99

Pros

  • 30x 24–720mm Leica zoom in pocket body
  • 4K video + 4K Photo at 30fps
  • 5-axis HYBRID O.I.S.+
  • 1.84M-dot tilting touchscreen
  • USB-C charging + Wi-Fi/Bluetooth 5.0

Cons

  • No built-in EVF (vs ZS80)
  • Small 1/2.3-inch sensor
  • Slow variable aperture (f/3.3–6.4)
  • Limited low-light performance

Decided which one is right for you?

Compare live prices for the Q3 and Lumix ZS99 at major authorized retailers.

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Full specifications

= category winner

Q3
Lumix ZS99
Resolution
60.3 MP3× more
20.3 MP
Sensor type
Full-frame BSI CMOS
1/2.3-inch BSI MOS
Sensor size
36 x 24 mm
6.17 x 4.55 mm
AA filter
No
No
Q3
Lumix ZS99
Aperture
f/1.7
f/3.3-6.4
Focal length (35mm equiv.)
28 mm
24-720 mm
Q3
Lumix ZS99
Processor
Maestro Series processor with L2 Technology
Venus Engine
Q3
Lumix ZS99
ISO min (native)
50−30 less
80
ISO max (native)
100,000+4 stops
6,400
ISO max (expanded)
100,000
6,400
Q3
Lumix ZS99
Shutter type
Electronic + mechanical shutter
Focal-plane mechanical + electronic shutter
Max mechanical speed
1/2000 sec
1/2000 sec
Max electronic speed
1/16000 sec
1/16000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for landscape, Q3 or Lumix ZS99?

Q3 scores 8.0/10 versus 0.0/10 for Lumix ZS99 — 60.3MP — massive detail for large prints.

What's the resolution difference between the Q3 and Lumix ZS99?

Q3 is 60.3 MP and Lumix ZS99 is 20.3 MP, so the Q3 captures more detail for cropping and large prints.

How does stabilization compare between the Q3 and Lumix ZS99?

Q3 does not have IBIS, while Lumix ZS99 does not have IBIS.

Which shoots faster bursts — the Q3 or the Lumix ZS99?

Q3 reaches 15 fps electronic. Lumix ZS99 reaches 30 fps electronic.

What's the weight difference between the Q3 and Lumix ZS99?

Q3 weighs 743 g and Lumix ZS99 weighs 322 g, so the Lumix ZS99 is 421 g lighter.

Do the Q3 and Lumix ZS99 record 4K video?

Q3: 8K (max), 4K up to 60p. Lumix ZS99: 4K up to 30p.

Are the Q3 and Lumix ZS99 weather sealed?

Q3: Yes. Lumix ZS99: No.

Which has better battery life?

Rated battery life is 350 shots (CIPA) for the Q3 and 380 shots for the Lumix ZS99, giving the Lumix ZS99 the edge.

How much does each cost?

Q3 launched at $5,995 and Lumix ZS99 at $500. The Lumix ZS99 is $5,495 less.

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

Add any camera to get a three-way Q3 vs Lumix ZS99 vs X comparison.

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

Product images courtesy of Leica and Panasonic press materials.