Cameraegg Compare logoCameraegg
Q3

Leica

Q3

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

$5,995

Launch price

Released May 2023

vs
FP2

Sigma

FP2

Pocket-sized L-Mount full-frame body with a 24.5MP partially stacked sensor, 20fps stills, 6K OpenGate / ProRes RAW video, 70GB internal storage, and a Still/Cine mode switch.

$2,199

Launch price

Released Nov 2026

FP2 is 3.5 years newer.

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.

Wins

4categories

Q3

★ Landscape★ Portrait

Wins

4categories

FP2

★ Portrait★ Travel

1 categories tied

Which would you choose?

TL;DR — Key differences

Q3 wins 3 categories·FP2 wins 2 categories
  • AQ3 has higher Burst (mechanical) (4 fps vs 0 fps)
  • AQ3 has higher Resolution (60.3 MP vs 24.5 MP)
  • AQ3 has lower ISO min (native) (50 vs 100)
  • BFP2 has lower Weight (460 g vs 743 g)
  • BFP2 has higher Burst (electronic) (20 fps vs 15 fps)

Key specs at a glance

Q3FP2
Resolution60.3 MP24.5 MP
SensorFull FrameFull Frame
ISO max100,000102,400
Burst15 fps20 fps
4K60 fps59.94 fps
IBISNoNo
Weight743 g460 g
Battery350 shots370 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

FP2 front view

FP2

112 × 71 × 41 mm

460 g (1.01 lb / 16.23 oz)

Q3 is 18mm wider, 9mm taller, and 51mm thicker than FP2.

Q3 is 283 g heavier than FP2.

Depth (front-to-back): 92mm Q3 · 41mm FP2

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

FP2 back view

FP2

112 × 71 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

FP2 top view

FP2

112 × 41 mm

Sensor size, to scale

Q3

36 × 24 mm · Full Frame

864 mm² area

FP2

35.9 × 23.9 mm · Full Frame

858 mm² area

Use-case scoring

Which one for what?

Algorithmic scores from verified specs · 10 = best in class

Use caseQ3FP2
Portrait
7.5Good✓ wins
6.5Good
Sports & Action
5.0Fair✓ wins
4.0Fair
Video & Hybrid
5.5Fair✓ wins
3.5Limited
Landscape
8.0Excellent✓ wins
5.0Fair
Travel
4.5Fair
6.5Good✓ wins
Wildlife
5.5Fair✓ wins
5.0Fair
Vlogging
3.0Limited
4.5Fair✓ wins

Why pick one over the other

Reasons to choose

Q3

  • Subject recognition

    Adds Human, Face, Eye…

  • Burst (mechanical)

    4 fps vs 0 fps — higher is better

  • Dimensions (W×H×D mm)

    Adds 130, 80, 92

  • Card types

    Adds SD UHS-II

  • Resolution

    60.3 MP vs 24.5 MP — higher is better

  • ISO min (native)

    50 vs 100 — lower is better

  • Wi-Fi

    Only Q3 supports it

  • Bluetooth

    Only Q3 supports it

Reasons to choose

FP2

  • Subject recognition

    Adds Animals, Birds, People

  • Dimensions (W×H×D mm)

    Adds 112, 71, 41

  • Card types

    Adds SD, SDHC, SDXC

  • Internal RAW video

    Only FP2 supports it

  • Codecs

    Adds ProRes RAW, ProRes RAW HQ

  • Microphone jack (3.5mm)

    Only FP2 supports it

  • Weight

    460 g vs 743 g — lower is better

  • Burst (electronic)

    20 fps vs 15 fps — higher is better

Both cameras share

  • ✓Eye AF — Both support eye af
  • ✓Animal / bird AF — Both support animal / bird af
  • ✓Weather sealing — Both support weather sealing
  • ✓Card slots — Both 1
  • ✓Touchscreen — Both support touchscreen

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

FP2

Pros

  • ✓World's smallest full-frame body (376g body only)
  • ✓24.5MP partially stacked sensor, 20fps electronic burst
  • ✓6K OpenGate + ProRes RAW HQ, L-Log, 32-bit float audio
  • ✓70GB internal storage + SD UHS-II + USB SSD
  • ✓Tilting 3.15" LCD, dust/splash resistant, modular EVF-21

Cons

  • –No in-body image stabilization (EIS in video only)
  • –No built-in EVF — optional EVF-21 sold separately
  • –Electronic shutter only
  • –No headphone jack (USB audio only)

Decided which one is right for you?

Compare live prices for the Q3 and FP2 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

Q3
FP2
Resolution
60.3 MP✓2.5× more
24.5 MP
Sensor type
Full-frame BSI CMOS
Partially Stacked CMOS
Sensor size
36 x 24 mm
35.9 x 23.9
AA filter
No
No
Q3
FP2
Aperture
f/1.7
—
Focal length (35mm equiv.)
28 mm
—
Q3
FP2
Processor
Maestro Series processor with L2 Technology
Sigma image processor
Q3
FP2
ISO min (native)
50✓−50 less
100
ISO max (native)
100,000
102,400✓
ISO max (expanded)
100,000
102,400
Q3
FP2
Shutter type
Electronic + mechanical shutter
Electronic Rolling Shutter
Max mechanical speed
1/2000 sec
—
Max electronic speed
1/16000 sec
1/25600 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for landscape, Q3 or FP2?

Q3 scores 8.0/10 versus 5.0/10 for FP2 — 60.3MP — massive detail for large prints.

What's the resolution difference between the Q3 and FP2?

Q3 is 60.3 MP and FP2 is 24.5 MP, so the Q3 captures more detail for cropping and large prints.

How does stabilization compare between the Q3 and FP2?

Q3 does not have IBIS, while FP2 does not have IBIS.

Which shoots faster bursts — the Q3 or the FP2?

Q3 reaches 15 fps electronic. FP2 reaches 20 fps electronic.

What's the weight difference between the Q3 and FP2?

Q3 weighs 743 g and FP2 weighs 460 g, so the FP2 is 283 g lighter.

Do the Q3 and FP2 record 4K video?

Q3: 8K (max), 4K up to 60p. FP2: 4K up to 59.94p.

Are the Q3 and FP2 weather sealed?

Q3: Yes. FP2: Yes.

Which has better battery life?

Rated battery life is 350 shots (CIPA) for the Q3 and 370 shots for the FP2, giving the FP2 the edge.

How much does each cost?

Q3 launched at $5,995 and FP2 at $2,199. The FP2 is $3,796 less.

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

Add any camera to get a three-way Q3 vs FP2 vs X comparison.

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

Product images courtesy of Leica and Sigma press materials.