Upgrade Guide
Sony A7C II→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 II. Worth it if that specific upgrade aligns with what you shoot.
What's new in the A7 III
-
Battery life~710 shots (CIPA) vs ~530 shots (CIPA)
Unchanged or similar
-
Resolution24MP (down from 33MP — optimised for low light)
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.
| Genre | A7C II | A7 III | |
|---|---|---|---|
| Portrait | -0.7 | ||
| Street | -1.7 | ||
| Travel | -1.1 | ||
| Wedding & Events | +0.4 | ||
| Vlogging & Video | — | ||
| Filmmaking | -0.7 | ||
| Documentary | -1.0 | ||
| Sports & Action | — | ||
| Landscape | -0.7 | ||
| Wildlife | -0.5 | ||
| Casual | -0.5 | ||
| Food | -1.4 | ||
| Macro | -1.9 | ||
| Architecture | -0.9 | ||
| Astrophotography | — |
Full spec comparison
| Spec | A7C II | A7 III | |
|---|---|---|---|
| Price | £1,799 | £1,099 | |
| Released | 2023 | 2018 | ↓ |
| Sensor | 33MP Full-frame Exmor R BSI CMOS | 24.2MP Full-Frame Exmor R BSI CMOS | |
| Resolution | 33MP | 24MP | ↓ |
| Video | 4K/60p oversampled, S-Log3, 10-bit internal | 4K/30p (6K oversampled), 1080p/120p slow-motion | |
| Autofocus | 759-point phase-detect, AI subject recognition | Phase-detect, 693 points, real-time Eye AF & animal AF | |
| Stabilisation | 5-axis IBIS, 7.0 stops | 5-axis IBIS, 5 stops | |
| Burst Rate | 10fps mechanical, 30fps electronic | 10fps with AF/AE tracking | |
| Battery Life | ~530 shots (CIPA) | ~710 shots (CIPA) | ↑ |
| Weight | 514g (body only) | 565g (body only) | ↓ |
| Weather Sealed | Yes | Yes | |
| Viewfinder | EVF, 2.36M dots, 0.70× magnification | EVF, 2.36M dots, 0.78× magnification | |
| Screen | 3.0" vari-angle touchscreen | 3.0" tilting touchscreen, 921k dots | |
| Mount | Sony FE (full-frame E-mount) | Sony E-mount | |
| Memory Cards | Single SD UHS-II slot | Dual SD (UHS-II slot 1, UHS-I slot 2) |
Compare side-by-side
⚖️ Compare these cameras
See A7C II and A7 III next to each other with our interactive comparison tool.
Get a personalised upgrade score
Run the upgrade checker →
Tell us what you shoot and we'll score the A7 III against your specific genres — not just specs.
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