Upgrade Guide

OM System OM System TG-7→OM System OM-3

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

You own

OM System

OM System TG-7

£449

2023

→

Upgrade to

OM System

OM-3

£999 (+£550)

2024

✅

Worthwhile

Clear improvements over the OM System TG-7. Whether it justifies the cost depends on which upgrades matter most to your shooting.

What's new in the OM-3

Suitability by genre

Full spec comparison

Spec	OM System TG-7	OM-3
Price	£449	£999
Released	2023	2024	↑
Sensor	12MP BSI CMOS	20.4MP Live MOS Micro Four Thirds
Resolution	12MP	20MP	↑
Video	4K/30p, 1080p/120p	4K/60p (10-bit), C4K/30p, 1080p/120p
Autofocus	Hybrid phase/contrast AF	Phase-detect AF — subject recognition (human, animal, bird, vehicle)
Stabilisation	Digital IS	IBIS — up to 6.5 stops (7.5 stops with Sync IS lenses)
Burst Rate	20fps	10fps mechanical, 30fps electronic with AF	↓
Battery Life	340 shots (CIPA)	~400 shots (CIPA)	↑
Weight	253g	414g (with battery)	↓
Weather Sealed	Yes	Yes
Viewfinder	None	EVF, 2.36M dots, 0.74× magnification
Screen	3.0" fixed TFT LCD	3.0" fully articulating touchscreen
Mount	Fixed 25mm-equiv f/2.0 lens (4× optical zoom)	Micro Four Thirds
Memory Cards	Single SD UHS-I	Single SD UHS-II slot

Compare side-by-side

See OM System TG-7 and OM-3 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-3 against your specific genres — not just specs.

Other upgrades from the OM System TG-7

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Camera family history