
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

OM System
PEN
First OM SYSTEM-branded PEN: compact rangefinder-style Micro Four Thirds body with 20.4MP Live MOS, 5-axis IBIS, built-in EVF, IPX1 sealing, and in-camera computational modes.
$1,000
Launch priceReleased Sep 2026
PEN is 3.8 years newer.
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Wins
EOS R6 Mark II
Wins
PEN
1 categories tied
Which would you choose?
TL;DR — Key differences
- AEOS R6 Mark II has higher AF points / zones (1053 vs 121)
- AEOS R6 Mark II has higher RAW buffer depth (180 frames vs 29 frames)
- AEOS R6 Mark II has higher ISO max (native) (102,400 vs 25,600)
- AEOS R6 Mark II has higher Burst (mechanical) (12 fps vs 5 fps)
- AEOS R6 Mark II has lower ISO min (native) (100 vs 200)
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

PEN
126 × 75 × 43 mm
393 g (0.87 lb / 13.86 oz)
EOS R6 Mark II is 13mm wider, 24mm taller, and 45mm thicker than PEN.
EOS R6 Mark II is 277 g heavier than PEN.
Depth (front-to-back): 88mm EOS R6 Mark II · 43mm PEN
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

PEN
126 × 75 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

PEN
126 × 43 mm
Sensor size, to scale
EOS R6 Mark II
35.9 × 23.9 mm · Full Frame
858 mm² area
PEN
17.4 × 13 mm · Compact / large-type
226 mm² area
3.8× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
EOS R6 Mark II
Canon RF
105+
native lenses available
PEN
✓ more lensesMicro Four Thirds
130+
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
AF low-light limit
-6.5 EV vs -3.5 EV — lower is better
Subject recognition
Adds People, Dogs, Cats…
Dimensions (W×H×D mm)
Adds 138.4, 98.4, 88.4
Card types
Adds SD UHS-II, SD UHS-II
AF points / zones
1053 vs 121 — higher is better
RAW buffer depth
180 frames vs 29 frames — higher is better
ISO max (native)
102,400 vs 25,600 — higher is better
Burst (mechanical)
12 fps vs 5 fps — higher is better
Reasons to choose
PEN
Subject recognition
Adds Human, Dog, Cat
Dimensions (W×H×D mm)
Adds 125.8, 74.5, 43.3
Card types
Adds SD, SDHC, SDXC
Codecs
Adds MOV, MPEG-4 AVC
Weight
393 g vs 670 g — lower is better
EVF magnification
1.1 × vs 0.76 × — higher is better
Both cameras share
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Pre-Capture / Pre-Release — Both support pre-capture / pre-release
- ✓In-body stabilization (IBIS) — Both support in-body stabilization (ibis)
- ✓Weather sealing — Both support weather sealing
- ✓EVF refresh rate — Both 120 Hz
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
PEN
Pros
- ✓393g rangefinder body with built-in 2.36M-dot EVF
- ✓First PEN with IPX1 dust/splash sealing
- ✓5-axis IBIS up to 5.5 stops + 121-point cross-type AF
- ✓Hi-Res, Live ND, Focus Stacking, HDR via CP button
- ✓4K / C4K video, vertical video, 3.5mm mic jack
Cons
- –Micro Four Thirds sensor vs APS-C/FF rivals
- –4K capped at 30p (C4K 24p only)
- –IPX1 is lighter sealing than OM-5 II / OM-3
- –Single SD slot, no headphone jack
Decided which one is right for you?
Compare live prices for the EOS R6 Mark II and PEN at major authorized retailers.
Canon EOS R6 Mark II
OM System PEN
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for portraits, EOS R6 Mark II or PEN?
EOS R6 Mark II scores 8.5/10 versus 4.0/10 for PEN — 24.2MP — solid resolution.
What's the resolution difference between the EOS R6 Mark II and PEN?
EOS R6 Mark II is 24.2 MP and PEN is 20.4 MP, so the EOS R6 Mark II captures more detail for cropping and large prints.
Do the EOS R6 Mark II and PEN have in-body image stabilization?
EOS R6 Mark II has 8-stop in-body image stabilization, while PEN has 5.5-stop in-body image stabilization.
Which shoots faster bursts — the EOS R6 Mark II or the PEN?
EOS R6 Mark II reaches 40 fps electronic. PEN reaches 30 fps electronic.
What's the weight difference between the EOS R6 Mark II and PEN?
EOS R6 Mark II weighs 670 g and PEN weighs 393 g, so the PEN is 277 g lighter.
Do the EOS R6 Mark II and PEN record 4K video?
EOS R6 Mark II: 4K up to 60p. PEN: 4K up to 30p.
Are the EOS R6 Mark II and PEN weather sealed?
EOS R6 Mark II: Yes. PEN: Yes.
Which has better battery life?
Rated battery life is 760 shots (CIPA) for the EOS R6 Mark II and 410 shots for the PEN, giving the EOS R6 Mark II the edge.
How much does each cost?
EOS R6 Mark II launched at $2,499 and PEN at $1,000. The PEN is $1,499 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way EOS R6 Mark II vs PEN vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed September 2026.
Product images courtesy of Canon and OM System press materials.