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Quick take: The A7R II is the most affordable.
16 specs side by side·14 genres scored·UK prices from Wex Photo Video and Clifton Cameras
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A7R II — Portrait, Landscape & Studio Photography: The A7R II transformed the A7R series — adding IBIS, 4K video, BSI sensor tech, and phase-detect AF in one generation. A landmark Sony camera.
A7R III — Landscape, Studio & Commercial Photography: The camera that converted professionals to mirrorless — 42MP, IBIS, and 10fps in a body that still competes today.
| Specification | A7R IISony · 2015 | A7R IIISony · 2017 |
|---|---|---|
| Price | £420 usedBest | £704 used |
| Sensor | 42.4MP Full-Frame BSI CMOS Exmor R | 42.4MP full-frame BSI Exmor R CMOS |
| Resolution | 42.4MP | 42.4MP |
| Video | 4K/30p (S35 or full-frame), 1080p/120p | 4K/30p (full-frame readout), 1080p/120p |
| Autofocus | 399 phase-detect + 25 contrast-detect AF points, face detection | 399 phase-detect + 425 contrast AF points — real-time Eye AF |
| Stabilisation | IBIS — 5-axis, up to 4.5 stops (first A7R with IBIS) | 5-axis IBIS — 5.5 stops |
| Burst Rate | 5fps | 10fps with AF/AE trackingBest |
| Battery Life | ~290 shots (CIPA) | ~650 shots (CIPA)Best |
| Weight | 625g (with battery and card)Best | 650g (body only) |
| Dimensions | 126.9 × 95.7 × 60.3mm | 126.9 × 95.6 × 73.7mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | EVF, OLED 2.36M dots, 0.78× magnification | EVF, 3.69M dots, 0.78× magnification |
| Screen | 3.0" tilting LCD, 1.23M dots (no touch) | 3.0" touchscreen, tilting |
| Mount | Sony FE (full-frame E-mount) | Sony FE mount (full-frame E-mount) |
| Memory Cards | Single SD UHS-I slot | Dual SD slots (one UHS-II) |
| Connectivity | USB, Wi-Fi, NFC | USB-C, Bluetooth, Wi-Fi, 3.5mm mic jack |
Wins the row — price, resolution, burst, battery, weight and sealing are compared; text specs aren't ranked.
Scores come from the same engine as Camera Match: verified specifications weighted by what each genre needs, with documented adjustments. The product page and this table show the enthusiast base score. See how scores are calculated →