Canon
EOS R6 Mark II
Versatile 24.2MP full-frame hybrid with class-leading AF and 4K 60p video.
$2,499
Released Nov 2022
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 2.9 years newer.
Wins
EOS R6 Mark II
Wins
Q3 Monochrom
1 categories tied
TL;DR — Key differences
- AEOS R6 Mark II has higher Burst (mechanical) (12 fps vs 4 fps)
- AEOS R6 Mark II has higher Burst (electronic) (40 fps vs 15 fps)
- BQ3 Monochrom has higher Resolution (60.3 MP vs 24.2 MP)
- AEOS R6 Mark II has higher Max video bit rate (340 Mbps vs 150 Mbps)
- AEOS R6 Mark II has higher Battery life (CIPA) (760 shots vs 350 shots)
Key specs at a glance
Size and weight, to scale
EOS R6 Mark II
138 × 98 × 88 mm
680 g (1.50 lb / 23.99 oz)
Q3 Monochrom
130 × 80 × 92 mm
743 g (1.64 lb / 26.21 oz)
EOS R6 Mark II is 4mm thinner than Q3 Monochrom but it is also 8mm wider and 18mm taller.
EOS R6 Mark II is 63 g lighter than Q3 Monochrom.
Depth (front-to-back): 88mm EOS R6 Mark II · 92mm Q3 Monochrom
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R6 Mark II
138 × 98 mm
Q3 Monochrom
130 × 80 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
EOS R6 Mark II
138 × 88 mm
Q3 Monochrom
130 × 92 mm
Sensor size, to scale
EOS R6 Mark II
35.9 × 23.9 mm · Full Frame
858 mm² area
Q3 Monochrom
36 × 24 mm · Full Frame
864 mm² area
Lens ecosystem
Native lens selection
EOS R6 Mark II
✓ more lensesCanon RF
105+
native lenses available
Q3 Monochrom: mount data unavailable
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
EOS R6 Mark II
Subject recognition
Adds People, Dogs, Cats…
Dimensions (W×H×D mm)
Adds 138.4, 98.4, 88.4
Burst (mechanical)
12 fps vs 4 fps — higher is better
Burst (electronic)
40 fps vs 15 fps — higher is better
Max video bit rate
340 Mbps vs 150 Mbps — higher is better
Battery life (CIPA)
760 shots vs 350 shots — higher is better
AA filter
Only EOS R6 Mark II supports it
Pre-Capture / Pre-Release
Only EOS R6 Mark II supports it
Reasons to choose
Q3 Monochrom
Subject recognition
Adds Human, Face, Eye…
Dimensions (W×H×D mm)
Adds 130, 80, 92
Resolution
60.3 MP vs 24.2 MP — higher is better
ISO min (native)
50 vs 100 — lower is better
ISO max (native)
200,000 vs 102,400 — higher is better
EVF resolution
5,760,000 vs 3,690,000 — higher is better
Codecs
Adds ProRes
EVF magnification
0.79 × vs 0.76 × — higher is better
Both cameras share
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓4K max frame rate — Both 60 fps
- ✓Weather sealing — Both support weather sealing
- ✓Touchscreen — Both support touchscreen
- ✓Wi-Fi — Both support wi-fi
Pros & cons at a glance
Editorially curated highlights and trade-offs.
EOS R6 Mark II
Pros
- ✓Up to 40fps electronic burst
- ✓4K 60p oversampled from 6K
- ✓Dual Pixel CMOS AF II — superb subject tracking
- ✓8-stop IBIS
- ✓Fully articulating touchscreen
Cons
- –24.2MP may feel limiting for large prints
- –No CFexpress on base body
- –Short battery life vs. A7 IV
Q3 Monochrom
Pros
- ✓60MP monochrome sensor
- ✓Summilux 28mm f/1.7
- ✓8K video
- ✓IP52 sealed compact
Cons
- –Monochrome only
- –Fixed lens
- –Very expensive
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for vlogging, EOS R6 Mark II or Q3 Monochrom?
EOS R6 Mark II scores 8.0/10 versus 3.0/10 for Q3 Monochrom — Fully articulating screen — see yourself while filming.
What's the resolution difference between the EOS R6 Mark II and Q3 Monochrom?
EOS R6 Mark II is 24.2 MP and Q3 Monochrom is 60.3 MP, so the Q3 Monochrom captures more detail for cropping and large prints.
Do the EOS R6 Mark II and Q3 Monochrom have in-body image stabilization?
EOS R6 Mark II has 8-stop in-body image stabilization, while q3 Monochrom does not have IBIS.
Which shoots faster bursts — the EOS R6 Mark II or the Q3 Monochrom?
EOS R6 Mark II reaches 40 fps electronic. Q3 Monochrom reaches 15 fps electronic.
What's the weight difference between the EOS R6 Mark II and Q3 Monochrom?
EOS R6 Mark II weighs 680 g and Q3 Monochrom weighs 743 g, so the EOS R6 Mark II is 63 g lighter.
Do the EOS R6 Mark II and Q3 Monochrom record 4K video?
EOS R6 Mark II: 4K up to 60p. Q3 Monochrom: 8K (max), 4K up to 60p.
Are the EOS R6 Mark II and Q3 Monochrom weather sealed?
EOS R6 Mark II: Yes. Q3 Monochrom: Yes.
Which has better battery life?
Rated battery life is 760 shots (CIPA) for the EOS R6 Mark II and 350 shots for the Q3 Monochrom, giving the EOS R6 Mark II the edge.
How much does each cost?
EOS R6 Mark II launched at $2,499 and Q3 Monochrom at $6,795. The EOS R6 Mark II is $4,296 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Canon and Leica press materials.