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
Released Nov 2025
Q3 Monochrom is 6 years newer.
Wins
Q3 Monochrom
Wins
SL2
2 categories tied
TL;DR — Key differences
- AQ3 Monochrom has higher ISO max (native) (200,000 vs 25,600)
- AQ3 Monochrom has lower ISO min (native) (50 vs 100)
- BSL2 has higher Burst (mechanical) (8 fps vs 4 fps)
- BSL2 has higher Card slots (2 vs 1)
- BSL2 has higher Battery life (CIPA) (640 shots vs 350 shots)
Key specs at a glance
Size and weight, to scale
Q3 Monochrom
130 × 80 × 92 mm
743 g (1.64 lb / 26.21 oz)
SL2
138 × 98 × 88 mm
720 g (1.59 lb / 25.40 oz)
Q3 Monochrom is 8mm narrower and 18mm shorter than SL2 but it is also 4mm thicker.
Q3 Monochrom is 23 g heavier than SL2.
Depth (front-to-back): 92mm Q3 Monochrom · 88mm SL2
Sensor size, to scale
Q3 Monochrom
36 × 24 mm · Full Frame
864 mm² area
SL2
36 × 24 mm · Full Frame
864 mm² area
Lens ecosystem
Native lens selection
Q3 Monochrom: mount data unavailable
SL2
✓ more lensesLeica L
80+
native lenses available
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
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 25,600 — higher is better
ISO min (native)
50 vs 100 — lower is better
Subject recognition
Adds Face, Eye
EVF resolution
5,760,000 vs 3,690,000 — higher is better
Codecs
Adds ProRes
Resolution
60.3 MP vs 47.3 MP — higher is better
EVF magnification
0.79 × vs 0.78 × — higher is better
Reasons to choose
SL2
Dimensions (W×H×D mm)
Adds 138, 98, 88
AA filter
Only SL2 supports it
Subject recognition
Adds Bird, Vehicle
Burst (mechanical)
8 fps vs 4 fps — higher is better
Pre-Capture / Pre-Release
Only SL2 supports it
In-body stabilization
Only SL2 supports it
Card slots
2 vs 1 — higher is better
Microphone jack (3.5mm)
Only SL2 supports it
Both cameras share
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓4K max frame rate — Both 60 fps
- ✓Max video bit rate — Both 150 Mbps
- ✓Weather sealing — Both support weather sealing
- ✓Touchscreen — Both support touchscreen
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
SL2
Pros
- ✓47MP
- ✓L-mount
- ✓Leica quality
Cons
- –Superseded
- –Heavy
- –Expensive
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for wildlife, Q3 Monochrom or SL2?
SL2 scores 9.0/10 versus 5.5/10 for Q3 Monochrom — 20fps burst captures fleeting moments.
What's the resolution difference between the Q3 Monochrom and SL2?
Q3 Monochrom is 60.3 MP and SL2 is 47.3 MP, so the Q3 Monochrom captures more detail for cropping and large prints.
Do the Q3 Monochrom and SL2 have in-body image stabilization?
Q3 Monochrom does not have IBIS, while sL2 has 7-stop in-body image stabilization.
Which shoots faster bursts — the Q3 Monochrom or the SL2?
Q3 Monochrom reaches 15 fps electronic. SL2 reaches 20 fps electronic.
What's the weight difference between the Q3 Monochrom and SL2?
Q3 Monochrom weighs 743 g and SL2 weighs 720 g, so the SL2 is 23 g lighter.
Do the Q3 Monochrom and SL2 record 4K video?
Q3 Monochrom: 8K (max), 4K up to 60p. SL2: 4K up to 60p.
Are the Q3 Monochrom and SL2 weather sealed?
Q3 Monochrom: Yes. SL2: Yes.
Which has better battery life?
Rated battery life is 350 shots (CIPA) for the Q3 Monochrom and 640 shots for the SL2, giving the SL2 the edge.
How much does each cost?
Q3 Monochrom launched at $6,795 and SL2 at $5,895. The SL2 is $900 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.