OM System
OM-5 Mark II
Updated compact MFT travel body with 20MP sensor, 7.5-stop IBIS, IP53 sealing, and Live ND.
$1,299
Launch priceReleased Jan 2025
OM System
OM-D E-M1 Mark III
Previous Olympus flagship still capable for wildlife.
$1,799
Launch priceReleased Feb 2020
OM-5 Mark II is 4.9 years newer.
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Wins
OM-5 Mark II
Wins
OM-D E-M1 Mark III
12 categories tied
Which would you choose?
TL;DR — Key differences
- BOM-D E-M1 Mark III has higher RAW buffer depth (120 frames vs 60 frames)
- BOM-D E-M1 Mark III has higher EVF resolution (3,690,000 vs 2,360,000)
- AOM-5 Mark II has lower Weight (414 g vs 580 g)
- BOM-D E-M1 Mark III has higher Burst (mechanical) (8 fps vs 6 fps)
- BOM-D E-M1 Mark III has higher Burst (electronic) (20 fps vs 15 fps)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to shareOM-5 Mark II
125 × 85 × 50 mm
414 g (0.91 lb / 14.60 oz)
Credit card
85.6 × 54 mm
for scale
OM-D E-M1 Mark III
134 × 91 × 72 mm
580 g (1.28 lb / 20.46 oz)
OM-5 Mark II is 9mm narrower, 6mm shorter, and 22mm thinner than OM-D E-M1 Mark III.
OM-5 Mark II is 166 g lighter than OM-D E-M1 Mark III.
Depth (front-to-back): 50mm OM-5 Mark II · 72mm OM-D E-M1 Mark III
Sensor size, to scale
OM-5 Mark II
17.3 × 13 mm · Micro Four Thirds
225 mm² area
OM-D E-M1 Mark III
17.3 × 13 mm · Micro Four Thirds
225 mm² area
Lens ecosystem
Native lens selection
OM-5 Mark II
✓ more lensesMicro Four Thirds
130+
native lenses available
OM-D E-M1 Mark III
✓ 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
Dimensions (W×H×D mm)
Adds 125.3, 85.2, 49.7
Weight
414 g vs 580 g — lower is better
IBIS effectiveness
7.5 stops vs 7 stops — higher is better
Reasons to choose
OM-D E-M1 Mark III
Dimensions (W×H×D mm)
Adds 134, 91, 72
AA filter
Only OM-D E-M1 Mark III supports it
RAW buffer depth
120 frames vs 60 frames — higher is better
EVF resolution
3,690,000 vs 2,360,000 — higher is better
Burst (mechanical)
8 fps vs 6 fps — higher is better
Burst (electronic)
20 fps vs 15 fps — higher is better
Both cameras share
- ✓Resolution — Both 20.4 MP
- ✓ISO min (native) — Both 100
- ✓ISO max (native) — Both 25,600
- ✓AF points / zones — Both 1053
- ✓AF frame coverage — Both 100 %
- ✓Eye AF — Both support eye af
Pros & cons at a glance
Editorially curated highlights and trade-offs.
OM-5 Mark II
Pros
- ✓7.5-stop IBIS
- ✓IP53 weather sealing
- ✓Live ND & computational modes
- ✓Compact travel body
Cons
- –MFT sensor
- –Single card slot
- –Premium for MFT
OM-D E-M1 Mark III
Pros
- ✓Pro build
- ✓60fps mode
- ✓Great IBIS
Cons
- –Superseded
- –MFT
- –Older AF
Decided which one is right for you?
Compare live prices for the OM-5 Mark II and OM-D E-M1 Mark III at major authorized retailers.
OM System OM-5 Mark II
OM System OM-D E-M1 Mark III
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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-M1 Mark III?
OM-D E-M1 Mark III scores 9.0/10 versus 8.0/10 for OM-5 Mark II — 20fps burst captures fleeting moments.
What's the resolution difference between the OM-5 Mark II and OM-D E-M1 Mark III?
Both cameras share the same 20.4 MP resolution.
Do the OM-5 Mark II and OM-D E-M1 Mark III have in-body image stabilization?
OM-5 Mark II has 7.5-stop in-body image stabilization, while OM-D E-M1 Mark III has 7-stop in-body image stabilization.
Which shoots faster bursts — the OM-5 Mark II or the OM-D E-M1 Mark III?
OM-5 Mark II reaches 15 fps electronic. OM-D E-M1 Mark III reaches 20 fps electronic.
What's the weight difference between the OM-5 Mark II and OM-D E-M1 Mark III?
OM-5 Mark II weighs 414 g and OM-D E-M1 Mark III weighs 580 g, so the OM-5 Mark II is 166 g lighter.
Do the OM-5 Mark II and OM-D E-M1 Mark III record 4K video?
OM-5 Mark II: 4K up to 60p. OM-D E-M1 Mark III: 4K up to 60p.
Are the OM-5 Mark II and OM-D E-M1 Mark III weather sealed?
OM-5 Mark II: Yes. OM-D E-M1 Mark III: Yes.
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-M1 Mark III, giving the OM-D E-M1 Mark III the edge.
How much does each cost?
OM-5 Mark II launched at $1,299 and OM-D E-M1 Mark III at $1,799. The OM-5 Mark II is $500 less.
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Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.