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Q3 Monochrom

Leica

Q3 Monochrom

Monochrome full-frame Q3 with 60MP sensor and fixed Summilux 28mm f/1.7 lens for black-and-white reportage.

$6,795

Launch price

Released Nov 2025

vs
SL3

Leica

SL3

60MP L-mount flagship with 8K video and Leica color science.

$6,995

Launch price

Released Mar 2024

Q3 Monochrom is 1.6 years newer.

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Wins

3categories

Q3 Monochrom

LandscapePortrait

Wins

3categories

SL3

LandscapeVideo & Hybrid

5 categories tied

Which would you choose?

TL;DR — Key differences

Q3 Monochrom wins 2 categories·SL3 wins 3 categories
  • AQ3 Monochrom has higher ISO max (native) (200,000 vs 100,000)
  • BSL3 has higher Burst (electronic) (30 fps vs 15 fps)
  • BSL3 has higher Card slots (2 vs 1)
  • BSL3 has higher Burst (mechanical) (7 fps vs 4 fps)
  • AQ3 Monochrom has lower Weight (743 g vs 769 g)

Key specs at a glance

Q3 MonochromSL3
Resolution60.3 MP60.3 MP
SensorFull FrameFull Frame
ISO max200,000100,000
Burst15 fps30 fps
4K60 fps60 fps
IBISNo5-stop
Weight743 g769 g
Battery350 shots

Size and weight, to scale

Q3 Monochrom front view

Q3 Monochrom

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

SL3 front view

SL3

141 × 108 × 85 mm

769 g (1.70 lb / 27.13 oz)

Q3 Monochrom is 11mm narrower and 28mm shorter than SL3 but it is also 7mm thicker.

Q3 Monochrom is 26 g lighter than SL3.

Depth (front-to-back): 92mm Q3 Monochrom · 85mm SL3

Back view, to scale

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

Q3 Monochrom back view

Q3 Monochrom

130 × 80 mm

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

Credit card

85.6 × 54 mm

SL3 back view

SL3

141 × 108 mm

Top view, to scale

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

Q3 Monochrom top view

Q3 Monochrom

130 × 92 mm

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

Credit card

85.6 × 54 mm

SL3 top view

SL3

141 × 85 mm

Sensor size, to scale

Q3 Monochrom

36 × 24 mm · Full Frame

864 mm² area

SL3

36 × 24 mm · Full Frame

864 mm² area

Lens ecosystem

Native lens selection

Q3 Monochrom: mount data unavailable

SL3

✓ more lenses

Leica L

80+

native lenses available

30 first-party50 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 caseQ3 MonochromSL3
Portrait
7.5Good
8.5Excellent✓ wins
Sports & Action
5.0Fair
6.0Good✓ wins
Video & Hybrid
5.5Fair
9.0Excellent✓ wins
Landscape
8.0Excellent
10.0Excellent✓ wins
Travel
4.5Fair✓ wins
3.5Limited
Wildlife
5.5Fair
6.5Good✓ wins
Vlogging
3.0Limited
5.5Fair✓ wins

Why pick one over the other

Reasons to choose

Q3 Monochrom

  • Dimensions (W×H×D mm)

    Adds 130, 80, 92

  • ISO max (native)

    200,000 vs 100,000 — higher is better

  • Subject recognition

    Adds Face, Eye

  • Codecs

    Adds ProRes

  • Weight

    743 g vs 769 g — lower is better

  • EVF magnification

    0.79 × vs 0.78 × — higher is better

Reasons to choose

SL3

  • Dimensions (W×H×D mm)

    Adds 141.2, 108, 84.6

  • Burst (electronic)

    30 fps vs 15 fps — higher is better

  • Internal RAW video

    Only SL3 supports it

  • In-body stabilization (IBIS)

    Only SL3 supports it

  • Card slots

    2 vs 1 — higher is better

  • Card types

    Adds CFexpress Type B

  • Microphone jack (3.5mm)

    Only SL3 supports it

  • Headphone jack (3.5mm)

    Only SL3 supports it

Both cameras share

  • ResolutionBoth 60.3 MP
  • ISO min (native)Both 50
  • Eye AFBoth support eye af
  • Animal / bird AFBoth support animal / bird af
  • 4K max frame rateBoth 60 fps
  • Max video bit rateBoth 150 Mbps

Pros & cons at a glance

Editorially curated highlights and trade-offs.

Q3 Monochrom

Pros

  • 60MP monochrome sensor
  • Summilux 28mm f/1.7
  • 8K video
  • IP52 sealed compact

Cons

  • Monochrome only
  • Fixed lens
  • Very expensive

SL3

Pros

  • 60MP
  • 8K video
  • Leica build
  • L-mount

Cons

  • Very expensive
  • Heavy
  • Large files

Decided which one is right for you?

Compare live prices for the Q3 Monochrom and SL3 at major authorized retailers.

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Full specifications

= category winner

Q3 Monochrom
SL3
Resolution
60.3 MP
60.3 MP
Sensor type
Full-frame monochrome BSI CMOS
Full-frame BSI CMOS
Sensor size
36 x 24 mm
36 x 24 mm
AA filter
No
No
Q3 Monochrom
SL3
Aperture
f/1.7
Focal length (35mm equiv.)
28 mm
Q3 Monochrom
SL3
Processor
Maestro Series processor with L2 Technology
Maestro IV
Q3 Monochrom
SL3
ISO min (native)
50
50
ISO max (native)
200,000+1 stop
100,000
ISO max (expanded)
200,000
100,000
Q3 Monochrom
SL3
Shutter type
Electronic + mechanical shutter
Mechanical focal-plane + electronic shutter
Max mechanical speed
1/2000 sec
1/8000 sec
Max electronic speed
1/16000 sec
1/16000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for video, Q3 Monochrom or SL3?

SL3 scores 9.0/10 versus 5.5/10 for Q3 Monochrom — 8K recording for future-proof footage.

What's the resolution difference between the Q3 Monochrom and SL3?

Both cameras share the same 60.3 MP resolution.

Do the Q3 Monochrom and SL3 have in-body image stabilization?

Q3 Monochrom does not have IBIS, while SL3 has 5-stop in-body image stabilization.

Which shoots faster bursts — the Q3 Monochrom or the SL3?

Q3 Monochrom reaches 15 fps electronic. SL3 reaches 30 fps electronic.

What's the weight difference between the Q3 Monochrom and SL3?

Q3 Monochrom weighs 743 g and SL3 weighs 769 g, so the Q3 Monochrom is 26 g lighter.

Do the Q3 Monochrom and SL3 record 4K video?

Q3 Monochrom: 8K (max), 4K up to 60p. SL3: 8K / C8K (max), 4K up to 60p.

Are the Q3 Monochrom and SL3 weather sealed?

Q3 Monochrom: Yes. SL3: Yes.

How much does each cost?

Q3 Monochrom launched at $6,795 and SL3 at $6,995. The Q3 Monochrom is $200 less.

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

Add any camera to get a three-way Q3 Monochrom vs SL3 vs X comparison.

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

Product images courtesy of Leica press materials.