Upgrade Guide

OM System OM-5→OM System OM-1

Is it worth upgrading? Spec analysis, key improvements, and our verdict.

You own

OM System

OM-5

£899

2022

→

Upgrade to

OM System

OM-1

£1299 (+£400)

2022

⚖️

Situational

One clear hardware improvement over the OM-5. Worth it if that specific upgrade aligns with what you shoot.

What's new in the OM-1

Unchanged or similar

Suitability by genre

Full spec comparison

Spec	OM-5	OM-1
Price	£899	£1,299
Released	2022	2022
Sensor	20.4MP Micro Four Thirds Live MOS	Micro Four Thirds Live MOS stacked BSI
Resolution	20MP	20MP
Video	4K/60p, 4K/120p Cinema4K	4K 60fps 10-bit
Autofocus	Phase-detect, 121 all-cross points, subject tracking	1053-point cross-type phase-detect, AI subject recognition
Stabilisation	5-axis IBIS, 7.5 stops (Dual IS with compatible lenses)	5-axis IBIS, 7.0 stops (8 stops with sync IS)
Burst Rate	30fps electronic, 10fps mechanical	10fps mechanical, 50fps electronic, 120fps Pro Capture	↓
Battery Life	~370 shots (CIPA)	520 shots (CIPA)	↑
Weight	414g body only	599g (body only)	↓
Weather Sealed	Yes	Yes
Viewfinder	EVF, 2.36M dots, 0.74× magnification	EVF 0.83× 5.76M-dot
Screen	3.0" fully articulating touchscreen	3.0" fully articulating touchscreen, 1.62M-dot
Mount	Micro Four Thirds	Micro Four Thirds
Memory Cards	Dual SD UHS-II slots	2× SD UHS-II / CFexpress Type B

Compare side-by-side

See OM-5 and OM-1 next to each other with our interactive comparison tool.

Get a personalised upgrade score

Tell us what you shoot and we'll score the OM-1 against your specific genres — not just specs.

Other upgrades from the OM-5

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Camera family history