OM System
OM-D E-M1
Original pro MFT body that established Olympus as a serious wildlife and macro system.
$1,399
Launch priceReleased Sep 2013
OM System
OM-D E-M1 Mark II
Pro MFT body with 60fps stills and rugged build before the OM-1 era.
$1,699
Launch priceReleased Nov 2016
OM-D E-M1 Mark II is 3.1 years newer.
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Wins
OM-D E-M1
Wins
OM-D E-M1 Mark II
16 categories tied
Which would you choose?
TL;DR — Key differences
- AOM-D E-M1 has lower Weight (443 g vs 580 g)
- BOM-D E-M1 Mark II has higher Resolution (20.4 MP vs 16.3 MP)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to shareOM-D E-M1
147 × 94 × 82 mm
443 g (0.98 lb / 15.63 oz)

Credit card
85.6 × 54 mm
for scale
OM-D E-M1 Mark II
134 × 91 × 72 mm
580 g (1.28 lb / 20.46 oz)
OM-D E-M1 is 13mm wider, 3mm taller, and 10mm thicker than OM-D E-M1 Mark II.
OM-D E-M1 is 137 g lighter than OM-D E-M1 Mark II.
Depth (front-to-back): 82mm OM-D E-M1 · 72mm OM-D E-M1 Mark II
Sensor size, to scale
OM-D E-M1
17.3 × 13 mm · Micro Four Thirds
225 mm² area
OM-D E-M1 Mark II
17.3 × 13 mm · Micro Four Thirds
225 mm² area
Lens ecosystem
Native lens selection
OM-D E-M1
✓ more lensesMicro Four Thirds
130+
native lenses available
OM-D E-M1 Mark II
✓ 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-D E-M1
Dimensions (W×H×D mm)
Adds 146.8, 93.6, 82.1
Weight
443 g vs 580 g — lower is better
Reasons to choose
OM-D E-M1 Mark II
Dimensions (W×H×D mm)
Adds 134, 91, 72
Resolution
20.4 MP vs 16.3 MP — higher is better
Both cameras share
- ✓AA filter — Both support aa filter
- ✓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-D E-M1
Pros
- ✓Pro build
- ✓Weather sealed
- ✓Fast AF for era
- ✓Compact pro system
Cons
- –16MP dated
- –Superseded
- –MFT limits
OM-D E-M1 Mark II
Pros
- ✓60fps stills
- ✓Pro build
- ✓Great wildlife MFT
Cons
- –Superseded
- –20MP
- –MFT sensor
Decided which one is right for you?
Compare live prices for the OM-D E-M1 and OM-D E-M1 Mark II at major authorized retailers.
OM System OM-D E-M1
OM System OM-D E-M1 Mark II
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for travel, OM-D E-M1 or OM-D E-M1 Mark II?
OM-D E-M1 scores 8.0/10 versus 7.5/10 for OM-D E-M1 Mark II — 443g — ultralight for all-day carry.
What's the resolution difference between the OM-D E-M1 and OM-D E-M1 Mark II?
OM-D E-M1 is 16.3 MP and OM-D E-M1 Mark II is 20.4 MP, so the OM-D E-M1 Mark II captures more detail for cropping and large prints.
Do the OM-D E-M1 and OM-D E-M1 Mark II have in-body image stabilization?
OM-D E-M1 has 7-stop in-body image stabilization, while OM-D E-M1 Mark II has 7-stop in-body image stabilization.
Which shoots faster bursts — the OM-D E-M1 or the OM-D E-M1 Mark II?
OM-D E-M1 reaches 20 fps electronic. OM-D E-M1 Mark II reaches 20 fps electronic.
What's the weight difference between the OM-D E-M1 and OM-D E-M1 Mark II?
OM-D E-M1 weighs 443 g and OM-D E-M1 Mark II weighs 580 g, so the OM-D E-M1 is 137 g lighter.
Do the OM-D E-M1 and OM-D E-M1 Mark II record 4K video?
OM-D E-M1: 4K up to 60p. OM-D E-M1 Mark II: 4K up to 60p.
Are the OM-D E-M1 and OM-D E-M1 Mark II weather sealed?
OM-D E-M1: Yes. OM-D E-M1 Mark II: Yes.
Which has better battery life?
Rated battery life is 640 shots (CIPA) for the OM-D E-M1 and 640 shots for the OM-D E-M1 Mark II, giving the OM-D E-M1 Mark II the edge.
How much does each cost?
OM-D E-M1 launched at $1,399 and OM-D E-M1 Mark II at $1,699. The OM-D E-M1 is $300 less.
Can't decide between two? Compare a third camera.
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Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.