Canon
EOS R6 Mark II
Versatile 24.2MP full-frame hybrid with class-leading AF and 4K 60p video.
$2,499
Launch priceReleased Nov 2022
Leica
SL3-S
Fast 24.6MP L-mount hybrid with 6K open-gate video, 30fps burst, and 5-axis stabilization.
$5,295
Launch priceReleased Jan 2025
SL3-S is 2.2 years newer.
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Wins
EOS R6 Mark II
Wins
SL3-S
4 categories tied
Which would you choose?
TL;DR — Key differences
- BSL3-S has lower ISO min (native) (50 vs 100)
- BSL3-S has higher ISO max (native) (200,000 vs 102,400)
- AEOS R6 Mark II has higher Burst (mechanical) (12 fps vs 7 fps)
- AEOS R6 Mark II has higher Max video bit rate (340 Mbps vs 200 Mbps)
- AEOS R6 Mark II has higher IBIS effectiveness (8 stops vs 5 stops)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
EOS R6 Mark II
138 × 98 × 88 mm
670 g (1.48 lb / 23.63 oz)
Credit card
85.6 × 54 mm
for scale
SL3-S
141 × 108 × 83 mm
768 g (1.69 lb / 27.09 oz)
EOS R6 Mark II is 3mm narrower and 10mm shorter than SL3-S but it is also 6mm thicker.
EOS R6 Mark II is 98 g lighter than SL3-S.
Depth (front-to-back): 88mm EOS R6 Mark II · 83mm SL3-S
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R6 Mark II
138 × 98 mm
Credit card
85.6 × 54 mm
SL3-S
141 × 108 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
Credit card
85.6 × 54 mm
SL3-S
141 × 83 mm
Sensor size, to scale
EOS R6 Mark II
35.9 × 23.9 mm · Full Frame
858 mm² area
SL3-S
36 × 24 mm · Full Frame
864 mm² area
Lens ecosystem
Native lens selection
EOS R6 Mark II
✓ more lensesCanon RF
105+
native lenses available
SL3-S
Leica 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
EOS R6 Mark II
Subject recognition
Adds People, Dogs, Cats…
Dimensions (W×H×D mm)
Adds 138.4, 98.4, 88.4
AA filter
Only EOS R6 Mark II supports it
Pre-Capture / Pre-Release
Only EOS R6 Mark II supports it
Burst (mechanical)
12 fps vs 7 fps — higher is better
Max video bit rate
340 Mbps vs 200 Mbps — higher is better
IBIS effectiveness
8 stops vs 5 stops — higher is better
AF points / zones
1053 vs 779 — higher is better
Reasons to choose
SL3-S
Subject recognition
Adds Human, Animal
Dimensions (W×H×D mm)
Adds 141.2, 108, 82.7
ISO min (native)
50 vs 100 — lower is better
Card types
Adds CFexpress Type B
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 Apple ProRes
EVF magnification
0.78 × vs 0.76 × — higher is better
Both cameras share
- ✓AF frame coverage — Both 100 %
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓4K max frame rate — Both 60 fps
- ✓Internal RAW video — Both support internal raw video
- ✓In-body stabilization (IBIS) — Both support in-body stabilization (ibis)
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
SL3-S
Pros
- ✓6K open-gate video
- ✓30fps electronic burst
- ✓24.6MP full-frame
- ✓CFexpress plus SD
Cons
- –Lower resolution than SL3
- –Large body
- –Premium price
Decided which one is right for you?
Compare live prices for the EOS R6 Mark II and SL3-S at major authorized retailers.
Canon EOS R6 Mark II
Leica SL3-S
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for travel, EOS R6 Mark II or SL3-S?
EOS R6 Mark II scores 7.5/10 versus 4.5/10 for SL3-S — 670g — manageable for travel.
What's the resolution difference between the EOS R6 Mark II and SL3-S?
EOS R6 Mark II is 24.2 MP and SL3-S is 24.6 MP, so the SL3-S captures more detail for cropping and large prints.
Do the EOS R6 Mark II and SL3-S have in-body image stabilization?
EOS R6 Mark II has 8-stop in-body image stabilization, while SL3-S has 5-stop in-body image stabilization.
Which shoots faster bursts — the EOS R6 Mark II or the SL3-S?
EOS R6 Mark II reaches 40 fps electronic. SL3-S reaches 30 fps electronic.
What's the weight difference between the EOS R6 Mark II and SL3-S?
EOS R6 Mark II weighs 670 g and SL3-S weighs 768 g, so the EOS R6 Mark II is 98 g lighter.
Do the EOS R6 Mark II and SL3-S record 4K video?
EOS R6 Mark II: 4K up to 60p. SL3-S: 6K Open Gate (max), 4K up to 60p.
Are the EOS R6 Mark II and SL3-S weather sealed?
EOS R6 Mark II: Yes. SL3-S: Yes.
How much does each cost?
EOS R6 Mark II launched at $2,499 and SL3-S at $5,295. The EOS R6 Mark II is $2,796 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way EOS R6 Mark II vs SL3-S vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.
Product images courtesy of Canon and Leica press materials.