Upgrade Guide

Sony Cyber-shot DSC-T700→Sony A7 III

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

You own

Sony

Cyber-shot DSC-T700

£35

2008

→

Upgrade to

Sony

A7 III

£1699 (+£1,664)

2018

✅

Worthwhile

Clear improvements over the Cyber-shot DSC-T700. Whether it justifies the cost depends on which upgrades matter most to your shooting.

What's new in the A7 III

Suitability by genre

Full spec comparison

Spec	Cyber-shot DSC-T700	A7 III
Price	£35	£1,699
Released	2008	2018	↑
Sensor	10.1MP CCD	24.2MP Full-Frame Exmor R BSI CMOS
Resolution	10MP	24MP	↑
Video	VGA 640×480 30fps	4K/30p (6K oversampled), 1080p/120p slow-motion
Autofocus	Contrast-detect AF	Phase-detect, 693 points, real-time Eye AF & animal AF
Stabilisation	Optical SteadyShot	5-axis IBIS, 5 stops
Burst Rate	2fps (standard)	10fps with AF/AE tracking	↑
Battery Life	~200 shots (CIPA)	~710 shots (CIPA)	↑
Weight	133g (with battery and card)	565g (body, battery, card)	↓
Weather Sealed	No	Yes	↑
Viewfinder	None — touchscreen only	EVF, 2.36M dots, 0.78× magnification
Screen	3.5" touchscreen LCD, 921k dots	3.0" tilting touchscreen, 921k dots
Mount	Fixed Carl Zeiss Vario-Tessar 35–140mm equiv. f/3.5–4.4	Sony E-mount
Memory Cards	Memory Stick Pro Duo / M2	Dual SD (UHS-II slot 1, UHS-I slot 2)

Compare side-by-side

See Cyber-shot DSC-T700 and A7 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 A7 III against your specific genres — not just specs.

Other upgrades from the Cyber-shot DSC-T700

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Camera family history