Upgrade Guide

OM System OM-1→OM System OM-5

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

You own

OM System

OM-1

£1299

2022

→

Upgrade to

OM System

OM-5

£899 (-£400)

2022

⚖️

Situational

One clear hardware improvement over the OM-1. Worth it if that specific upgrade aligns with what you shoot.

What's new in the OM-5

↑

Burst rate

30fps electronic, 10fps mechanical vs 10fps mechanical, 50fps electronic, 120fps Pro Capture

Unchanged or similar

Suitability by genre

Full spec comparison

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

Compare side-by-side

See OM-1 and OM-5 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-5 against your specific genres — not just specs.

Other upgrades from the OM-1

Related buying guides

Camera family history