Upgrade Guide
Sony A7C→Sony A7 III
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
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Situational
One clear hardware improvement over the A7C. Worth it if that specific upgrade aligns with what you shoot.
What's new in the A7 III
-
Weather sealingAdded — fully sealed body
Unchanged or similar
-
ResolutionSimilar (24MP)
Suitability by genre
| Genre | A7C | A7 III | |
|---|---|---|---|
| Travel | — | ||
| Video | -2.0 | ||
| Portrait | — | ||
| Street | — | ||
| Wildlife | — |
Full spec comparison
| Spec | A7C | A7 III | |
|---|---|---|---|
| Price | £1,299 | £1,699 | |
| Released | 2020 | 2018 | ↓ |
| Sensor | 24.2MP Full-Frame Exmor R BSI CMOS | 24.2MP Full-Frame Exmor R BSI CMOS | |
| Resolution | 24MP | 24MP | |
| Video | 4K/30p (oversampled), 1080p/120p slow-motion, S-Log2/S-Log3 | 4K/30p (6K oversampled), 1080p/120p slow-motion | |
| Autofocus | Phase-detect, 693 points, real-time Eye AF & animal AF | Phase-detect, 693 points, real-time Eye AF & animal AF | |
| Stabilisation | 5-axis IBIS, 5 stops | 5-axis IBIS, 5 stops | |
| Burst Rate | 10fps with AF/AE tracking | 10fps with AF/AE tracking | |
| Battery Life | ~740 shots (CIPA) — outstanding for a Sony mirrorless | ~710 shots (CIPA) | ↓ |
| Weight | 509g (body, battery, card) | 565g (body, battery, card) | ↓ |
| Weather Sealed | No | Yes | ↑ |
| Viewfinder | None built-in — use rear screen or accessory EVF | EVF, 2.36M dots, 0.78× magnification | |
| Screen | 3.0" vari-angle touchscreen, 921k dots | 3.0" tilting touchscreen, 921k dots | |
| Mount | Sony E-mount | Sony E-mount | |
| Memory Cards | Single SD UHS-II | Dual SD (UHS-II slot 1, UHS-I slot 2) |
Compare side-by-side
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