Upgrade Guide

Sony FX30→Sony A7R III

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

You own

Sony

FX30

£1799

2022

→

Upgrade to

Sony

A7R III

£1799 (+£0)

2017

⚖️

Situational

One clear hardware improvement over the FX30. Worth it if that specific upgrade aligns with what you shoot.

What's new in the A7R III

Suitability by genre

Base scores — computed from verified specs for an enthusiast shooting photo and video. The Upgrade Checker adjusts them for your skill level.

Full spec comparison

Spec	FX30	A7R III
Price	£1,799	£1,799
Released	2022	2017	↓
Sensor	26.1MP APS-C BSI Exmor R CMOS	42.4MP full-frame BSI Exmor R CMOS
Resolution	26MP	42MP	↑
Video	4K/120p, 4K/60p S-Log3, 1080p/240p	4K/30p (full-frame readout), 1080p/120p
Autofocus	Real-time tracking AF, 759-point phase-detect	399 phase-detect + 425 contrast AF points — real-time Eye AF
Stabilisation	5-axis Active IBIS	5-axis IBIS — 5.5 stops
Burst Rate	20fps electronic	10fps with AF/AE tracking	↓
Battery Life	740 shots (CIPA)	~650 shots (CIPA)	↓
Weight	579g (body only)	650g (body only)	↓
Weather Sealed	Yes	Yes
Viewfinder	No viewfinder	EVF, 3.69M dots, 0.78× magnification
Screen	3.0" fully articulating touchscreen	3.0" touchscreen, tilting
Mount	Sony FE (E-mount)	Sony FE mount (full-frame E-mount)
Memory Cards	Dual CFexpress Type A / SD UHS-II	Dual SD slots (one UHS-II)

Compare side-by-side

See FX30 and A7R III next to each other with our interactive comparison tool.

Get a personalised upgrade score

Tell us what you shoot and we'll score the A7R III against your specific genres — not just specs.

Other upgrades from the FX30

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Camera family history