Canon
EOS R6 Mark II
Versatile 24.2MP full-frame hybrid with class-leading AF and 4K 60p video.
$2,499
Released Nov 2022
OM System
OM-5
Compact weather-sealed MFT for travel and outdoor photography.
$1,199
Released Nov 2022
Released within a month of each other.
Wins
EOS R6 Mark II
Wins
OM-5
3 categories tied
TL;DR — Key differences
- AEOS R6 Mark II has higher AF points / zones (1053 vs 121)
- AEOS R6 Mark II has higher Max video bit rate (340 Mbps vs 150 Mbps)
- AEOS R6 Mark II has higher 4K max frame rate (60 fps vs 30 fps)
- AEOS R6 Mark II has higher Card slots (2 vs 1)
- BOM-5 has lower Weight (414 g vs 680 g)
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)
OM-5
125 × 85 × 50 mm
414 g (0.91 lb / 14.60 oz)
EOS R6 Mark II is 13mm wider, 13mm taller, and 39mm thicker than OM-5.
EOS R6 Mark II is 266 g heavier than OM-5.
Depth (front-to-back): 88mm EOS R6 Mark II · 50mm OM-5
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R6 Mark II
138 × 98 mm
OM-5
125 × 85 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
OM-5
125 × 50 mm
Sensor size, to scale
EOS R6 Mark II
35.9 × 23.9 mm · Full Frame
858 mm² area
OM-5
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
OM-5
✓ 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
Dimensions (W×H×D mm)
Adds 138.4, 98.4, 88.4
AF points / zones
1053 vs 121 — higher is better
Subject recognition
Adds Dogs, Cats, Horses…
Max video bit rate
340 Mbps vs 150 Mbps — higher is better
AA filter
Only EOS R6 Mark II supports it
4K max frame rate
60 fps vs 30 fps — higher is better
Internal RAW video
Only EOS R6 Mark II supports it
Card slots
2 vs 1 — higher is better
Reasons to choose
OM-5
AF low-light limit
-8 EV vs -6.5 EV — lower is better
Dimensions (W×H×D mm)
Adds 125.3, 85.2, 49.7
Subject recognition
Adds Animals, Motorsports, Airplanes
Card types
Adds SD UHS-I
Weight
414 g vs 680 g — lower is better
Codecs
Adds MOV
ISO min (native)
80 vs 100 — lower is better
EVF magnification
0.78 × vs 0.76 × — higher is better
Both cameras share
- ✓ISO max (native) — Both 102,400
- ✓AF frame coverage — Both 100 %
- ✓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 — Both support in-body stabilization
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
OM-5
Pros
- ✓Compact
- ✓IP53 sealing
- ✓Computational features
Cons
- –No grip extension
- –MFT sensor
- –Single slot
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for portraits, EOS R6 Mark II or OM-5?
EOS R6 Mark II scores 8.5/10 versus 4.0/10 for OM-5 — 24.2MP — solid resolution.
What's the resolution difference between the EOS R6 Mark II and OM-5?
EOS R6 Mark II is 24.2 MP and OM-5 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 OM-5 have in-body image stabilization?
EOS R6 Mark II has 8-stop in-body image stabilization, while oM-5 has 6.5-stop in-body image stabilization.
Which shoots faster bursts — the EOS R6 Mark II or the OM-5?
EOS R6 Mark II reaches 40 fps electronic. OM-5 reaches 30 fps electronic.
What's the weight difference between the EOS R6 Mark II and OM-5?
EOS R6 Mark II weighs 680 g and OM-5 weighs 414 g, so the OM-5 is 266 g lighter.
Do the EOS R6 Mark II and OM-5 record 4K video?
EOS R6 Mark II: 4K up to 60p. OM-5: 4K up to 30p.
Are the EOS R6 Mark II and OM-5 weather sealed?
EOS R6 Mark II: Yes. OM-5: Yes.
Which has better battery life?
Rated battery life is 760 shots (CIPA) for the EOS R6 Mark II and 640 shots for the OM-5, giving the EOS R6 Mark II the edge.
How much does each cost?
EOS R6 Mark II launched at $2,499 and OM-5 at $1,199. The OM-5 is $1,300 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Canon and OM System press materials.