OM System
OM-5 Mark II
Compact IP53 Micro Four Thirds body with 20MP Live MOS sensor, 7.5-stop Sync IS, 30fps burst, 4K video, and USB-C charging.
$1,199
Released Jun 2025
OM System
OM-D E-M10 Mark IV
Entry MFT body with IBIS and approachable controls.
$699
Released Aug 2020
OM-5 Mark II is 4.8 years newer.
Wins
OM-5 Mark II
Wins
OM-D E-M10 Mark IV
8 categories tied
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TL;DR — Key differences
- AOM-5 Mark II has higher ISO max (native) (102,400 vs 25,600)
- AOM-5 Mark II has lower ISO min (native) (80 vs 200)
- AOM-5 Mark II has higher Burst (electronic) (30 fps vs 15 fps)
- AOM-5 Mark II has higher IBIS effectiveness (6.5 stops vs 4.5 stops)
- AOM-5 Mark II has higher Burst (mechanical) (10 fps vs 8.7 fps)
Key specs at a glance
Size and weight, to scale
OM-5 Mark II
125 × 85 × 52 mm
417 g (0.92 lb / 14.71 oz)
OM-D E-M10 Mark IV
122 × 85 × 49 mm
383 g (0.84 lb / 13.51 oz)
OM-5 Mark II is 4mm wider, 1mm taller, and 3mm thicker than OM-D E-M10 Mark IV.
OM-5 Mark II is 34 g heavier than OM-D E-M10 Mark IV.
Depth (front-to-back): 52mm OM-5 Mark II · 49mm OM-D E-M10 Mark IV
Sensor size, to scale
OM-5 Mark II
17.4 × 13 mm · Compact / large-type
226 mm² area
OM-D E-M10 Mark IV
17.4 × 13 mm · Compact / large-type
226 mm² area
Lens ecosystem
Native lens selection
OM-5 Mark II
✓ more lensesMicro Four Thirds
130+
native lenses available
OM-D E-M10 Mark IV
✓ 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
OM-5 Mark II
Subject recognition
Adds People, Birds, Animals…
Dimensions (W×H×D mm)
Adds 125.3, 85.2, 52
ISO max (native)
102,400 vs 25,600 — higher is better
ISO min (native)
80 vs 200 — lower is better
Animal / bird AF
Only OM-5 Mark II supports it
Burst (electronic)
30 fps vs 15 fps — higher is better
Pre-Capture / Pre-Release
Only OM-5 Mark II supports it
Weather sealing
Only OM-5 Mark II supports it
Reasons to choose
OM-D E-M10 Mark IV
Subject recognition
Adds Face, Eye
Dimensions (W×H×D mm)
Adds 121.7, 84.6, 49
Weight
383 g vs 417 g — lower is better
Both cameras share
- ✓AF points / zones — Both 121
- ✓Eye AF — Both support eye af
- ✓4K max frame rate — Both 30 fps
- ✓Max video bit rate — Both 150 Mbps
- ✓In-body stabilization — Both support in-body stabilization
- ✓Battery life (CIPA) — Both 640 shots
Pros & cons at a glance
Editorially curated highlights and trade-offs.
OM-5 Mark II
Pros
- ✓Compact weather-sealed body
- ✓7.5-stop Sync IS
- ✓30fps burst
- ✓4K vertical video
Cons
- –20MP non-stacked sensor
- –Single card slot
- –Smaller EVF than OM-1
OM-D E-M10 Mark IV
Pros
- ✓IBIS at entry price
- ✓Compact
- ✓Easy to use
Cons
- –Older sensor
- –No weather sealing
- –MFT limits
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for wildlife, OM-5 Mark II or OM-D E-M10 Mark IV?
OM-5 Mark II scores 6.5/10 versus 1.5/10 for OM-D E-M10 Mark IV — 30fps burst captures fleeting moments.
What's the resolution difference between the OM-5 Mark II and OM-D E-M10 Mark IV?
OM-5 Mark II is 20.4 MP and OM-D E-M10 Mark IV is 20.3 MP, so the OM-5 Mark II captures more detail for cropping and large prints.
Do the OM-5 Mark II and OM-D E-M10 Mark IV have in-body image stabilization?
OM-5 Mark II has 6.5-stop in-body image stabilization, while oM-D E-M10 Mark IV has 4.5-stop in-body image stabilization.
Which shoots faster bursts — the OM-5 Mark II or the OM-D E-M10 Mark IV?
OM-5 Mark II reaches 30 fps electronic. OM-D E-M10 Mark IV reaches 15 fps electronic.
What's the weight difference between the OM-5 Mark II and OM-D E-M10 Mark IV?
OM-5 Mark II weighs 417 g and OM-D E-M10 Mark IV weighs 383 g, so the OM-D E-M10 Mark IV is 34 g lighter.
Do the OM-5 Mark II and OM-D E-M10 Mark IV record 4K video?
OM-5 Mark II: 4K up to 30p. OM-D E-M10 Mark IV: 4K up to 30p.
Are the OM-5 Mark II and OM-D E-M10 Mark IV weather sealed?
OM-5 Mark II: Yes. OM-D E-M10 Mark IV: No.
Which has better battery life?
Rated battery life is 640 shots (CIPA) for the OM-5 Mark II and 640 shots for the OM-D E-M10 Mark IV, giving the OM-D E-M10 Mark IV the edge.
How much does each cost?
OM-5 Mark II launched at $1,199 and OM-D E-M10 Mark IV at $699. The OM-D E-M10 Mark IV is $500 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.